— TT —
Occipital N e rv e s ........................ . . . . . 93
Nervus S ymp ath eticu s............................. 93
II. SEBASTES DACTYLOPTERUS................. 94
III. COTTUS OCTODECIMOSPINOSUS . . . 98
1..................S k u ll................................................... 98
Dilatator F o s s a .................................... 99
Temporal F o s s a .................................... . 99
Supratemporal F o s s a ......................................100
S p i n e s ............................................ 100
Mesethmoid......................................................100
E c te thm o id ......................................................101
V o m e r .............................................................. 101
Premaxillary......................................................101
M ax illa ry .......................................................... 101
N a sa l.................................................................. 101
F r o n ta l........................................ 102
P o s t f r o n ta l............................................ .. . 102
' Parieto-Extrascapular. . . . . . . . . 102
Lateral Extrascapular ..................... 102
S u p rascapular..................................................102
S u p ra c lav icu la r..............................................103
Parasphenoid . . . .....................................103
Alisp h en o id ......................................................103
S phenotic............................................ 104
P ro o tic ........................................ 104
Myodome..........................................................106
P te ro tic ..............................................................106
Basioccipital..................................................... 106
E x o c c ip ita l......................................................106
E p io tic .............................................................. 107
Supraoccipital.................................................. 107
2. Infraorbital Bones ....................................107
. 3. Suspensorial Apparatus and Mandible . . 108
Preopercular......................................................108
H y om an d ib u la r........................................ 108
S ym p le c tic ......................................................108
Q u a d r a te ..........................................................108
Metapterygoid............................ 108
Ectopterygoid and Entopterygoid . . . 109
P a la tin e ................................ 109
Opercular B o n e s ..............................................110
M a n d ib le ........................................ 110
4. Muscles.....................................................110
5. Latero-Sensory Canals . ................................I l l
II. C R A N I O M 1 ..................................................113
I. TRIGLA H IR U N D O ..................................... 113
1. S k u ll 113 I
Mesetbmoid.................... 114
E c te thm o id . . - ....................... 115
N a s a l.................................................................. 117
V o m e r . . 118
Premaxillary......................................................118
Maxillary . .................................................. 119
R o s tr a l................................................. 119
F r o n ta l......................" . ................................. 120
Parieto-Extrascapular.................... 120
P o s t f r o n ta l...................................................... 120
Lateral E x tr a s c a p u la r ..................................120
Sup rascap u lar.................................................. 121
S u p ra c lav icu la r..............................................121
P a ra s p h e n o id ..................................................121
The O r b i t s ................................ 122
Myodome . .................................................. 122
Orbitosphenoid ..............................................122
Alisp h en o id.................................... 122
Basisphenoid...................................................... 123
Lateral Surface of the Brain Case . . . . 123
P r o o tic ........................ 124
Pterotic ..................................125
Opisthotic.......................................................... 125
E x o c c ip ita l................................ 125
Basioccipital.................... 126
First free Vertebra ■ . 126
Posterior surface of the S k u ll..................... 127
Temporal F o s s a ........................ 127
Supraoccipital..................................................127
E p io tic ,. . . . 127
2. Infraorbital B o n e s ..............................................128
3. Suspensorial Apparatus and Mandible . . 130
Q u a d r a te ............................................ 130
Metapterygoid..................................................130
Ecto p te ry g o id ..................................................130
Entopterygoid.................................................. 131
P a la tin e ..............................................................131
H y om an d ib u la r..............................................131
S ym p le c tic ...................................................... 132
Preopercular........................ 132
Opercular...........................................................132
Subopercular ...................................................132
Interopercular...................................................132
M a n d ib le .......................................................... 132
4. Muscles.................................................................. 133
5. Latero-Sensory C a n a l s ......................................134
II. TRIGLA L Y R A ..................................................135
III. PERISTEDION CATAPHRACTUM . . . 136
1. S k u ll.................................... 136
Mesethmoid........................ ; .........................139
E c te thm o id ........................ 140
V o m e r ............................' ................................140
R o s tr a l.............................................................. 141
Premaxillary......................................................141
M ax illa ry ..........................................................141
N a s a l.................................................................. 142
F ro n ta l.............................................................. 143
P o s t f ro n ta l......................................................143
Parieto-Extrascapular.................................... 143
Lateral E x tr a s c a p u la r ..................................143
S u p rascapular..................................................143
S u p ra c lav icu la r..............................................144
P a ra sp h e n o id ..................................................144
Basisphenoid ..........................................145
Orbitosphenoid . '...........................................145
Alisphenoid...................................................... 145
S phenotic ..........................................................145
Dilatator o p e r c u l i..........................................145
P ro o tic ..................................................... . 145
Myodome..........................................................146
Basioccipital ..................................................146
E x o c c ip ita l......................................................147
Opisthotic..........................................................147
Epiotic . ......................................................147
P te ro tic ..............................................................147
Supraoccipital..................................................148
2. Infraorbital B o n e s .......................................... 148
3 .. Suspensorial Apparatus and Mandible . . 151
Preopercular ..................................... . . 151
H y om an d ib u la r..............................................151
Suprapreopercular..........................................152
Symplectic ..................................................152
Q u a d r a te ..........................................................152
Metapterygoid..................................................153
Entopterygoid..................................................153
Ecto p te ry g o id ..................................................153
Dermo-Ectopterygoid................................ 153
P a la tin e ..............................................................154
O p e rcu la r..........................................................154
S u b o p e rcu la r...................................................154
Interopercular................................. 154
M a n d ib le ..........................................................155
4. Latero-Sensory C a n a l s ..................................155
IV. DACTYLOPTERUS VOLITANS . . . . 156
1. S k u ll......................................................... '. 156
R o s tr a l............................................ 159
Premaxillary..................................................... 159
M ax illa ry ..........................................................159
Ligaments......................................................... 160
V o m e r ............................................................. 160
E c te thm o id ..................................................... 161
The O rb it......................................................... 161
P a ra sp h en o id ................................................. 164
Basisphenoid..................................................... 164
Alisphenoid ..................................... 165
Sphenotic . ............................. 165
Pro6tio; . . . . . . . . ......................... 165
Pterotic. ......................................................... 167
Basioccipital.....................................................169
E x o c c ip ita l........................ 169
E p io tic ............................................................. 170
Supraoccipital ................................. 171
Opisthotic......................................................... 171
N a s a l..................................................................171
F ro n ta l............................................................. 172
P o s tf ro n ta l..................................................... 172
P a rie ta l ......................................................... 172
Lateral E x tra s c a p u la r................................. 172
Mesial Extrascapular..................................... 172
Suprascapular................................................. 172
S u p ra c lav icu la r............................................. 174
2. Infraorbital Chain of Bones............................... 174
3. Suspensorial Apparatus and Mandible . . 175
Preopercular..................................................... 175
H y om an d ib u la r............................................. 176
S ym p le c tic ......................................................177
Metapterygoid................................................. 178
Q u a d r a te .................................... *. . . . 178
Ectopterygoid.................................................. 178
Entopterygoid.................................................179
Palatine........................................................ 179
M an d ib le ......................................................... 179
Opercular ............................................. 180
S u b o p e rc u la r..................... . . . . . . . 180
Interopercular..................................................180
4. Latero-Sensory C a n a l s ..................................... 180
III. M Y O D O M E ..................................... . . 183
Summary......................................................................... 204
Bibliography ................................. 209
Index to Fishes etc., referred t o ............................. 213
Explanation of F ig u r e s .................................... . 216
1. Index Letters . ........................ 216
2. Explanation of P l a t e s ..................................... 217