MARINE POLYZOA. 67 



?Flustra Montferrandii, Audouin, Expl. i. 240; Savigny, pi. 9. 



fig. 14. 

 Hab. Britain (south coast ?) : abundant on Eschara foliacea. 



Budleigh Salterton, Devon, Miss Cutler. Coast of Norfolk, 



Lieut. Thomas. Jersey, Mrs. Gatty. Egean Sea, E. Forbes. 



Copeland Islands, Bay of Belfast, deep water, W. Thompson. 



New Zealand, Dr. Lyall. (PL CII. fig. 1.) 



The drawing in Plate XC. was made from a bad specimen and 

 does not show the spines, which usually appear to exist only on 

 the marginal cells. 



5. LEPRALIA MARIONENSIS, n. s. PI. XCVI. figs. 1, 2. 



Cells ovate, distinct, punctured ; mouth orbicular, a little raised 

 above ; in front of the lower lip a large avicularium, with a spoon- 

 shaped mandible. Ovicell globose ; surface granular ; sides of 

 the opening of the ovicell prolonged so as to enclose the avicu- 

 larium. 



Hab. Marion Islands, 80 fathoms, Dr. Hooker. 



6. LEPRALIA AURICULATA. PI. LXXXIX. figs. 4, 5, 6. 



Cells subovate or rhomboidal, usually quite immersed, and 

 disposed in linear series, frequently punctured, especially round 

 the margin ; separated from each other by raised lines ; mouth 

 orbicular, with a shallow sinus below ; two to three oral spines ; 

 a minute avicularium on an eminence immediately below the 

 sinus of the lower lip ; mandible crescentic. Ovicell subglobose, 

 depressed, usually immersed, punctured. 



Lepralia auriculata, Hassall, Ann. fy Mag. Nat. Hist. ix. 412; 



Johnst. Hist. Brit. Zooph. ed. 2. p. 310. t. 54. fig. 8 ; Gray, 



List Brit. Bad. p. 119. 

 Hab. Orkney, Lieut. Thomas, R.N. Belfast Bay, W. Thompson. 



Coast of Suffolk, G. B. Isle of Wight, id. Egean Sea, 



E. Forbes (var.). ? E. Falkland Islands, 4-10 fathoms, Darwin. 



Bray, Burnham, Norfolk, Hassall. Scilly, M' Andrew. On 



shell. 



Attention to the position and form of the avicularia will at 

 once suffice to distinguish L. linearis, auriculata and trispinosa ; 

 species, as Dr. Johnston observes, very closely allied in general 

 habit. 



7. LEPRALIA CONCINNA, n. s. PI. XCIX. 



Cells oval, rounded, or rhomboid in outline when deeply im- 



