R E P T I L E S :
J O H N E D W A R D G R A Y , F. R. S. &c.
E m y s o r n a t a , l. 29. / . 2. Gray's Syn. Rept., SO.— Griffiih, Anim. Kingd.
T h e sh e ll o h io n g , lo n g itu d in a l, r u g o s e , oliv e ; co s ta l a n d m a rg in a l sh ie ld s , with a c e n tr a l b la ck
s p o t a n d d a rk - c d g e d p a le r in g s ; v e r te b r a l p la te s ir r e g u la r ly rin g e d ; th e first u rc e o la te , s e c o n d a n d
th ird long, h e x a g o n a l; b en e a lli p a le y e llow , v a rie d with tw o d a rk - e d g e d p a le lin e s in th e c e n tr e ,
a d o u b le d a rk - e d g e d p a le lin e th e whole le n g th o f th e s te rn o -c o s ta l s u tu r e , a n d a se rie s o f e y ed sp o ts
OH th e su tu r e s o f th e m a rg in a l p la te s.
I n th e y o u n g th e shie lds a r e fine g r e e n , w ith a c e n tr a l sp o t a n d som e y e llow a n d tw o b rig h t
o ra n g e r in g s o n th e co s ta l s liie ld s .
H e a d yellow lin e d , with a n in te r ru p te d o ra n g e s t r e a k o n e a c h sid e th e o c c ip u t, a n d a forked one
on th e s id e o f th e th ro a t.
In h a b . N o r th A m e ric a , M a z a tla n .— A. C o l l ir , E sq .
A m b l y r h y n c i i u s s u b c r i s t a t u s . Gray, Zool. Misc. 6 .
H e a d with u n e q u a l sh o rt bro ad p y ram id ic a l s c a le s . B a c k a n d ta i l w ith a se rie s o f ra th e r la rg e r ,
sh o rt, b ro a d sc a le s , a n d a c re s t o f sev en o r e ig h t la rg e s h o r t co nic a l p ro c e s s e s on th e b a ck o f th e n e c k .
S c a le s sh o r t, c o n ic a l, b liu it, sm a lle r on th e n e c k a n d la rg e r o u th e ta il a u d limbs. L e n g th tw e n ty -
oiic in ch e s .
Jn h a b . Ga lap ag o s. F o u n d in im m ense n um b e rs on tlie sm a ll b la c k la v a ro o k , te n o r tw e lv e y a rd s
from th e b e a c h . T h e y sw im w e ll, a n d a re b la c k w h e n a liv e .
'J 'h is sp e c ie s is v e ry d iffe re n t from A . c ristaius, w’h ic h ha.s a lo n g dor.sal c r e s t, a n d lo n g , tr ia n g u la r ,
c o n ic a l, a c u te s c a le s .
I g u a n a t u b e r c u l a t a .
T h e I . carulea, (S e b a . 1. t . 96. f . 2 .) is o n ly a y o u n g sp e c im en o f this sp e c ie s .
In h a b . B ra z il.
I g u a n a d e l i c a t i s s i m a , L a u r ,
Ig. nudicollis, Cuv.
In h a b . B r a z il. T h e B a ro n C u v ie r h a s m a d e a m is ta k e in re fe rrin g i h t Amhly rhynchns cristatus
o f M r. B e il to th is sp e c ie s , to which i t h a s n o t th e le a s t affinity.
ir;
•ili 4
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