MARINE POLYZOA. // 



oral spines (wholly wanting in the fertile cell). Ovicell very 



small, inconspicuous, deeply immersed. 



Cellepora annulata, Fabr. Faun. Gr&nl. 436. no. 444; Turt. 



Gmel.iv. 641. 

 Lepralia annulata, Johnst. Hist. Brit. Zooph. ed. 2. p. 313. 



t. 55. figs. 2, 3 ; Gray, List Brit. Rad. p. 122. 

 Cellepora (Escharoide) bimucronata, Lamx. Cor all. 41 ; Lamk. 



Anim. s. Vert. ed. 2. ii. 260. 



Eschara bimucronata, Moll, Eschara, 65. t. 3. fig. 18. 

 Hab. Coast of Ayrshire, Landsborouyh. Shetland, Barlee. 



The distinctness and usually larger size of the cells in this 

 species, their having only three to four distant (the two lateral 

 of which are much stronger than the others) oral spines, which are 

 almost always, if not always, totally obsolete in the fertile cells, 

 the peculiar arrangement of the pores, and, above all, the inva- 

 riable absence of avicularia on each side of the mouth, will suffice 

 to distinguish it from the deep-sea, thickened, or overgrown form 

 of L. punctata, figured in PL XC. figs. 5, 6, to the mouth of 

 which that of the fertile cells of L. annulata bears a very close 

 resemblance. 



27. LEPRALIA BISPINOSA. PL LXXX. figs. 1, 2, 3, 4. 



Cells ovate, elongated, sometimes shorter and ventricose ; 

 mouth rotund or subquadrangular, with two long spines on the 

 upper margin, and a strongly projecting mucro in front of the 

 lower lip. 



Lepralia bispinosa, Johnst. Hist. Brit. Zooph. ed. 2. p. 326. t. 57- 



fig. 10. 



Discopora bispinosa, Gray, List Brit. Rad. p. 126. 

 Hab. Coast of Devon, Miss Cutler. Berwick Bay, Johnston. 



On shell. 



28. LEPRALIA PEACHII. PL LXXXII. fig. 4. PL XCVII. 



Cells globose, subimmersed, often punctured round the margin ; 

 surface granular or smooth ; mouth suborbicular, with a thick- 

 ened, slightly raised border, and six spines ; a simple or bifid den- 

 ticle on the lower lip, and usually a rostrum in front of the 

 mouth. Ovicells immersed, with two spines in front of it on 

 each side. 



Lepralia Peachii, Johnst. Hist. Brit. Zooph. ed. 2. p. 315. t. 54. 



figs. 5, 6; Gray, List Brit. Rad. p. 118. 

 Lepralia immersa, Johnst. Hist. Brit. Zooph. ed. 2. p. 325. pi. 57. 



fig. 8. 

 Escharella immersa, Gray, List Brit. Rad. p. 125. 



