MARINE POLYZOA. 29 



Eucratea, Johnst. Brit. Zooph. ed. 2. 289. 

 Eucratea, sp. Lamx. Bull. Soc. Phil. iii. (1812) ; Flem. 1828. 

 Unicellaria, sp. Blainv. Diet. Sci. Nat. Ix. (1830). 

 Scuparia, Gray, Brit. Rad. 132. 



1. SCRUPARIA CHELATA. PL XVII. fig. 2. 



Cell in the form of a horn. Aperture oblique. Frequently 

 an aborted or rudimentary cell below the aperture in front. 



BullVhorn Coralline, Ellis, Corall. 42. no. 9. pi. 22. fig. b, B. 



Sertularia chelata, Linn. Syst. ed. 10. 81G. 



Cellularia chelata, Pall. Elench. 77- 



Sertularia loricata, Linn. Syst. 1316; Berk. Syn. i. 220; Esper, 



Pflanz. Serf. t. 29. figs. 1,2; Turt. Gmel. iv. 686 ; Turt. Brit. 



Faun. 217 ; Stew. Elem. ii. 449. 

 Cellaria chelata, Ellis and Soland. Zooph. 25 ; Bosc, Vers, iii. 



134; Lamk. Anim. s. Vert. ii. 140, ed. 2. ii. 189. 

 Eucratea chelata, Lamx. Bull. Soc. Phil. 1812, iii. 184 ; Corall. 



64. pi. 3. fig. 5 ; Expos. Method. 8. pi. 65. fig. 10 ; Johnst. Hist. 



Brit. Zooph. ed. 2. 289. 



Scruparia chelata, Oken, Lehrb. Nat. 90 ; Gray, List Brit. Rad. 

 Eucratea loricata, Flem. Brit. Anim. 541. 



Eucratee cornee, M.-Edw. Ann. d. Sc. Nat. n.s. ix. 204. pi. 8. f. 1 . 

 Unicellaria chelata, Blainv. Act. 461. pi. 77' fig. 2. 

 Crisia chelata, Johnst. Brit. Zooph. 261 ; Reid, Ann. fy Mag. Nat. 



Hist. xvi. 3.92; Couch, Corn. Faun. iii. i>8. pi. 18. fig. 1. 

 Hab. Europe; Australia. 



2. HlPPOTHOA. 



Cells decumbent, adherent ; branches given off from the sides 

 of the cells. 



Hippothoa, Lamx. Exp. Meth. 82, 1821 ; Gray, Zool. Misc. 34 ; 



List, of Brit. Rad. 115, 147; Johnst. Brit. Zooph. ed. 2. 291 



(not Syn.}. 

 Catenicella (part.), Blainv. 1830 (agrees with character), not 



M. -Edwards. 



" Terebripora, D'Orbigny." 

 Tubulipora, sp. Jameson. 



1. HIPPOTHOA CATENULARIA. PI. XVIII. figs. 1, 2. 



Cells contiguous, ovate, thick; aperture oblique, oval ; branches 

 irregular. 



Tubipora catenularia, Jameson, Wern. Mem. i. 561 . 

 Tubipora catenulata, Stew. Elem. ii. 425. 



Hippothoa catenularia, Flem. Brit. Anim. 534 ; Hassa 77 ,A.in.fy 

 Mag. Nat. Hist. vi. 170; Couch, Zooph. Cornw. 43; Corn. 



