86 MARINE POLYZOA. 



* Adnate, globose, or spreading. 



1. CELLEPORA PUMICOSA. PI. CX. fig. 



Glomerous, cells heaped, ovate or pyriform; mouth orbicular; 

 rostrum large, pointed ; avicularium, on the internal aspect, oval. 

 Ovicell small, recumbent. 



Porous Eschara, Ellis, Corall. 75. no. 7. pi. 27. fig. /, F. & 72. 



pi. 30. fig. d, D. 



Tubipora verrucosa, Linn. Syst. ed. 10. 789. 

 Cellepora pumicosa, Linn. Syst. 1286 ; Mull. Zool. Dan. Prod. 



253; Berk. Syn. 1. 212; Stew. Elem. ii. 428. pi. 12. figs. 16, 



17, copied from Ellis:, Lamk. Anim. s. Vert. ii. 170, ed. 2. ii. 



256 ; Lamx. Corall. 40 ; Flem. Brit. Anim. 532 ; Johnst. 



Trans. Newc. Soc. ii. 267 ; Templeton, Mag. Nat. Hist. ix. 469; 



Couch, Zooph. Cornw. 48 ; Corn. Faun. iii. 110. pi. 20. figs. 4, 



5 ; Johnst. Hist. Brit. Zooph. ed. 2. p. 295. t. 52. figs. 1, 2, 3 ; 



Gray, Hist. Brit. Ead. p. 129. 

 Cellepora verrucosa, Linn. Syst. 1286 ; Fabric. Faun. Grcenl. 



434 ; Oliv. Zool. Adriat. 229. 

 Cellepora spinosa, Turt. Brit. Faun. 205. 

 Millepora pumicosa, Pall. Elench. 254 ; Ellis fy Soland. Zooph. 



135 ; Jameson, Wern. Mem. i. 560 ; Stew. Elem. ii. 428. 

 Flustra bullata ?, Ellis fy Soland. Zooph. 16 ; Stew. Elem. ii. 436. 

 Madrepora verrucaria, Esper, Madrep. t. 17. figs, c, C & b, B. 

 Hab. Britain and Seas of Europe, common. California, Dr. 



Sinclair. ? Bass's Strait, Macgillivray . ? Tasmania, ? 



2. CELLEPORA HASSALLII. PL CIX. figs. 4, 5, 6. 



Cells cylindrical ; mouth suborbicular or subquadrangular, 

 lower lip mucronate, an ascending avicularium overlooking the 

 mouth on each side. Ovicell punctured or striped, with a semi- 

 lunar mark in front. 



Cellepora bimucronata, Hassall, Ann. fy Mag. Nat. Hist. vii. 367. 



pi. 9. fig. 1 (non Lamouroux, Hist. Pol. Flex. p. 93). 

 ? Eschara bimucronata, Moll, Eschar, p. 65. no. 15. pi. 3. fig. 18. 

 Lepralia Hassallii, Johnst. Brit. Zooph. i. 304. pi. 54. fig. 3. 

 Celleporina Hassallii, Gray, List Brit. Rad. p. 128. 

 Hab. Coast of Ayrshire, Landsborough. Dublin Bay ?, Hassall. 



On fucus and shells. 



In a very beautiful and perfect specimen of this species, grow- 

 ing apparently on Laminaria, for which I am indebted to the 

 kindness of Dr. Landsborough, the lower lip is produced into a 

 very distinct and curiously formed mucro, and the structure of 

 the lateral avicularia is remarkably well displayed. The cells 

 are smooth and hyaline, and scarcely, if at all, ventricose, and I 



