SERTULARIAD.E : SERTULARIA. Gl 



May not the obscure Sertularia echinata of Linnoeus be referable 

 to this species 1 



9. Sertularia,! Linnseus. 



Character. — Polyp'ulom growing in the shape of a plant 

 and fixed hy its hase, variously braiiched, the divisions or 

 branches formed of a single tube denticulated or serrated with 

 the cells, and jointed at regular intervals : cells alternate or 

 paired, biserial, sessile, urceolate, short toith everted apertures : 

 ovarian vesicles scattered. — Polypes hydraform. 



""" Cells alternate, one to each internode. 



] . S. polyzonias, loosely branched, the branches patent, sub- 

 flexuous ; cells alternate, urceolate, with a wide everted four- 

 toothed aperture ; vesicles nearly egg-shaped and wrinkled 

 across. Jas. Newton. 



Var. a. Frondose, diffuse. PI. x. fig. 1. 

 Var. p>. Caulescent, pinnate. PI. x. fig. 2. 



Plate X. Fig. 1—3. 



Corallina minus ramosa, alterna vice denticulata, Raii Sjm. 35, no. 13, tab. 2, 

 fig. 4. — Great Tooth Coralline, Ellis Corall. 5, no. 3, pi. 2, fig. a A, IB, and pi. 

 38, fig. 1 A. — Corallina pennata et siliqiiata, ah ostreo abstracta, Bast. Opusc, i. 

 42, pi. 2, fig. 7. pessima. — Sertularia polyzonias, Lin. Syst. x. 813. Lin. Syst. 

 1312. Ellis and Soland.. Zooph. 37. Berk. Syn. i. 219. ^Jsper Pflanz. Sert. 

 tab. 6, fig. 1—6. Oliv. Zool. Adriat. 290. Turt. Gmel. iv. 683. BJumenh. Man. 

 273. TtiH. Brit. Faun. 216. .Jameson in Wern. Mem. i. 564. Steic Elem. ii. 

 447. Xa?». Anira. s. Vert. ii. 117: 2de edit. ii. 142. Laniour. Cox. Flex. 190. 

 Risso TEurop. M^rid. v. 130. Bosc Vers. iii. 119. D. Chiaie Anim. s. Vert. Nap. 

 iv. 141. iyo(;^'s Stock. 31. Flem. Brit. Anim. 542. .Johnston in Trans. Newc. 

 Soc. ii. 256. Templeton in Mag. Nat. Hist. ix. 468. Blainv. Actinolog. 480. 

 HassaJl in Ann. and Mag. Nat. Hist. vi. 167. Couch Zooph. Com. 6 ; Corn. 

 Faun. iii. 17. — Sertularia Hexuosa, Lin. Syst. x. 814, no. 34. — Sertularia ericoides. 

 Pall. Elench. 127. Esper Pflanz. Sert. tab. 12, fig. 1, 2. — Sertolara polizonia, 

 Cavol. Polip. mar. 224, tav. 8, fig. 12-14. — Sertularia Gayi, J^amour. Expos. 

 Method. 12, tab. 66, fig. 8, 9. (var. /3.) Fig. bona. — Sertularia pinnata, Templeton 

 in Mag. Nat. Hist. ix. 468. (var. a.) Thompson in Ann. Nat. Hist. v. 250. — 

 Sertularia hibernica, .Johns. Brit. Zooph. 128. — Sertularia EUisii, M. Edtvards in 

 Lam. Anim. s. Vert. 2de 6dit. ii. 142. ,/o/wes. Brit. Zooph. 123. CoiicJi Zoojth, 

 Corn. 6 ; Com. Faun. iii. 17. 



■f" From sertula, the diminutive of seiia, a garland. 



