i
h if
6. SurireUa splendida, Kiitz. F. V. ovate ; V. ovate, elongated,
alæ distinct ; canaliculi conspicuous, 4 in -OOl", reaching the central
line. Length -0050" to -0072". v.v.
Kiitz. Bacill. vii. 9. ad specim. authen. quæ misit amie. De Brébisson. ^ W.
Sm. Ann. 2nd Ser. vol. vii. pl. ii. 2. Nm. splendida, Ehr. Inf. xiv. 1.
Prit. Anim. iii. 151.
Fresh water. Near Lewes, Oct. 1850. Ashdown Forest, Sept. 1851, W. Sm.
Premnay and Cantyre Peat. Dolgelly Earth.
Plate VIII. 62.
7. Surirella nobilis, n. sp. V. linear-ovate ; canaliculi conspicuous,
3 in -001", not reaching to the central line. Length -0083" to
•0144". v.s.
SurireUa splendida, W. Sm. Ann. 2nd Ser. vol. vii. pi. ii. 3.
Fresh water. Lough Mourne Deposit. Dolgelly Earth. Raasay Earth.
Lough Island-Reavey Deposit, &c.
Plate VIII. 63.
8. Surirella striatula, Turp. V. hroadly ovate, faintly striated;
striæ 40 in -OOl" ; canalicuh distant, 3 in -OOl", reaching the central
hne. Length -0041" to -0061". v.v.
Kiitz. Bacill. vii. 6. \V. Sm. Ann. 2nd Ser. vol. vii. pi. iii. 1. Navicula
striatula, Ehr. Inf. xxi. 15. Prit. Anim. iii. 137. Bright. Inf. ix. 2.
Marine or brackish water : common. Poole Bay, July 1848. Newhaven,
Sussex, Feb. 1852, W. Sm. Coast of Norfolk, Mr. Brightwell.
Plate IX. 64. Frustule with endochrome. Frontispiece, fig. LXIV.
9. SurireUa Gemma, Ehr. F. V. ovate ; V. ovate or elliptical ;
alæ distinct; canaliculi delicate, unequally distant,reaching central
line ; surface of V. striated ; striæ 48 in -OOl". Length -0025" to
0058". v.v.
Kiitz. Bacill. i-ii. 11. W. Sm. Ann. 2nd Ser. vol. vii. pi. iii. 2. Prit. Anim.
XV. 2, 3, 4.
Marine ; common. Poole Bay, July 1849. Shoreham Harbour, Aug. 1850,
&c., W. Sm.
Plate IX. 65.
10. SurireUa fastuosa, Ehr. V. ovate, alæ small ; canaliculi few,
inflated towards the margin ; median line turgid. Length ^0020"
to -0025". V.V.
KUtz. Bacill. xxviii. 19. W. Sm. Ann. 2nd Ser. vol. vii. pi. iii. 3.
Marine. Poole Bay, Sept. 1848 ; Pevensey Bay, Oct. 1850, W. Sm.
(Peruvian Guano.)
Plate IX. 66.
11. Surirella Cratícula, V. lanceolate; alæ distinct; canaliculi
few, small, divergent, reaching the median line. v.s.
Kiitz. Bacill. xxviii. 22. W. Sm. Ann. 2nd Ser. vol. vii. pi. iii. 4. Prit. Anim.
XV. 19-20.
Fresh water. Bramley Spring near Guildford, Mr. Capron. Biver Bann,
Mr. Codeen. Lough Mourne Deposit.
Plate IX. 67.
12. SurireUa ovalis, Bréb. V. ovate, acuminate, striated; striæ
36 in '001"; alæ inconspicuous; canaliculi marginal, numerous,
12 in -001". Length -0021" to -0038". v.v.
Kiitz. Bacill. xxx. 64. W. Sm. Ann. 2nd Ser. vol. vii. pi. iii. 7.
Fresh water. Near Lewes, Dec. 1852, W. Sm. Near Bristol, Mr. Thwaites.
Norfolk, Mr. Brightwell. Pilling, Lancashire, Rev. J. Bannister.
Plate IX. 68.
13. SurireUa panduriformis, n. sp. V. with a subcentral constriction;
extremities rounded; canaliculi inconspicuous. Length
•0009" to -0016". v.v.
Fresh water. Iford near Lewes, Oct. 1852, TV. Sm.
Supp. Plate XXX. 258.
14. SurireUa Brightwellii, TV. Sm. V. orbicular, with one extremity
acute, striated ; striæ 32 in -001"; alæ inconspicuous ; canaliculi
distinct, marginal, 10 in •OOl". Length •OOll" to •0016". v.v.
Surirella Crumena, Bréb. in Kiitz. Sp. Alg. p. 38. sic cl. De Brebisson in lit.
cum specim., Sept. 1852.
Fresh or brackish water. Coast of Norfolk, Mr. Ri-iÿ/itweM, 1850. Lewes,
Sept. 1851, TIC Sm.
Plate IX. 69.
15. SurireUa ovata, Kiitz.
cull marginal, 11 in -OOl".
Kiitz. Bacill. vii. 1, 2. 3.
V. ovate, minute ; alæ small ; canali-
Length -0008" to -OOIS". v.v.