124 
BRITISH RADIATA. 
* Mouth unarmed. Escharina. 
1. Escharina Ballii. 
LepraliaBallii, Johnst. Hist. Brit. Zooph. ed. 2. p. 321. t. 56. fig.5. 
a, b, c. On Lima and Pecten. Sana Island. Presented 
by G. Johnston, M.D. 
d. On Venus with Lep. biforis. Presented by G. Johnston, 
M.D. 
e, f. On Lima. Sana Island. Presented by G. Johnston, 
M.D. 
2. Escharina ansata. 
Lepralia ansata, Johnst. Hist. Brit. Zooph. ed. 2. p. 307. t. 54. 
fig. 12. 
a. “ L. ansata ! ” with Flustra lineata and L. punctata ! Corn- 
wall, W. Peach, Esq. Presented by G. Johnston, M.D. 
3. Escharina unicornis. 
Berenicea coccinea, Johnst. Trans. Newc. Soc. ii. 267. pi- 12. 
fig. 5. 
Lepralia coccinea, Johnst. Brit. Zooph. 278. pi. 34. figs. 1-3; 
Hassall, Ann. fy Mag. Nat. Hist.x ii. 367 ; Couch, Com. Faun. 
iii. 115; W. Thompson, Ann. Nat. Hist. x. 253. 
Lepralia unicornis, Johnst. Hist. Brit. Zooph. ed. 2. p. 321. 
t. 57. fig. 1. 
a, b, c, d, e,f, g, h. On stone. Presented by G. Johnston, 
M.D. 
i. On slate. Presented by G. Johnston, M.D. 
** Mouth spinose. Escharoides. 
4. Escharina coccinea. 
Cellepora coccinea, Abildgaard, Mull, Zool. Dan. iv. 30. t. 146. 
figs. 1, 2. 
Cellepora (Escharoide) coccinea, Lamk. Anim. s. Vert. ed. 2. ii. 
259. 
Berenicea coccinea, Flem. Brit. Anim. 533. 
Lepralia coccinea, Johnst. Hist. Brit. Zooph. ed. 2. p. 322. t. 57. 
figs. 2, 3. 
Lepralia tridentata, Couch, Corn. Faun. 115. pi. 22. fig. 5. 
Var. ft. with a triangular slit or loop on each side of the aperture. 
Lepralia appensa, Hassall, Ann. fy Mag. Nat. Hist. vii. 367. 
pi. 9. fig. 3. * 
a. Var. on Floridea. Presented by G. Johnston, M.D. 
b. On Nullipora. Presented by G. Johnston, M.D. 
c. With Flustra? lineata, Lepralia immersa, and L. coccinea. 
Presented by G. Johnston, M.D. 
