80 MARINE POLYZOA. 



Lepralia punctata !, Hassall, Ann. fy Mag. Nat. Hist. vii. 368. 

 pi. 9. fig. 7; Johnst. Hist. Brit. Zooph. ed. 2. p. 312. t. 55. 

 fig. 1.478. 



Cribrilina punctata, Gray, List Brit. Had. p. 117. 



Hab. Britain, not uncommon. Bangor, Co. Down, W. Thomp- 

 son. Macgilligan, id. Ayrshire, Dr. Landsborough. Start 

 Point, Devon, J. S. Bowerbank. 



Notwithstanding the high authority of Mr. Bean and of 

 Mr. Peach, there is no doubt that Dr. Hassall is quite right in 

 assigning spines to the margin of the mouth. It is a very pro- 

 tean species, and in the old and deep-water condition requires 

 some discrimination to distinguish it. 



j3. With an unarmed mouth. 



33. LEPRALIA FIGULARIS. PI. LXXIII. figs. 1, 2, 3. 



Cells deeply immersed, confluent ; central and upper portion 

 of the front raised into an oval area, marked with five to six 

 rows of punctures in shallow grooves radiating from the centre, 

 and around the border of the raised area a series of eminences, 

 either perforate at the apex or prolonged into short tubular pro- 

 cesses ; mouth orbicular, unarmed. Ovicell globose, lofty, with 

 a central keel and a pyriform or lunate fossa on each side. 



Lepralia figularis, Johnst. Hist. Brit. Zooph. ed. 2. p. 314. t. 56. 



fig. 2; Gray, List. Brit. Rad. p. 119. 

 Hab. Cornwall, Peach. Jersey, J. Alder. 



34. LEPRALIA PERTUSA. Pl.LXXVIII. PI. LXXIX. figs. 1,2. 



Cells ovate-ventricose, distinct or rhomboid, depressed, im- 

 mersed, separated by a raised line, punctured ; mouth orbicular, 

 even, or slightly sinuated below ; margin thickened, unarmed, 

 usually an irregular tubercle below the mouth. Ovicells globose, 

 punctured. 



Cellepora pertusa, Esper, Pflanz. Cellep. p. 149. t. 10. fig. 2. 

 Lepralia pertusa, Johnst. Hist. Brit. Zooph. ed. 2. p. 311. t. 54, 



fig. 10; Gray, List Brit. Rad. p. 119. 

 Escharina pertusa, M.-Edwards, Lamk. Anim. s. Vert. ed. 2. 



ii. 232. 



Cellepora perlacea, W. Thompson, Ann fyMag. Nat. Hist. x. 20. 

 Escharina perlacea, M.-Edwards, Lamk. Anim. s. Vert. ed. 2. 



ii. 234. 

 Hab. Orkney, Lieut. Thomas, R.N. Dartmouth, E. Forbes. 



Isle of Man, id. Cornwall, Peach. Off Sana Island, G. C. 



Hyndman. On shells and stone. ? Australia, Macgillivray. 



