212 WORMS. ZOOPHYTA. 78. Sertularia*. 



Ellis Corallines p. 51. n. 7. tab. i\.f. f. F. 



About one or two inches long, difpofed in crest-like clusters, 

 red, purple, white, green or yellowish; the lower-joints not 

 horned, terminal-ones simple. 



699. C. spermophoros. Dichotomous, filiform, with roun- 

 dish joints ;. those supporting the 2 last subdivisions 

 clavate, terminal-ones long:, setaceous, in pairs. 



Ellis Corallines p.- 51. n. 8." tab. 24./. g.'G. 



About an inch long, milk-white-, and more loofe and fpread than 

 the last. 



70(K C. cornitulalti. Dichotomous, with the joints of the 

 stem and branches 2 -horned, those of the subdivisions 

 roundish. 



Ellis Corallines p. 50. n. 6. tab. 24./. d. D. 



Growing on Fuci, white, an Inch or two high. 



701 . C. globifera. Simple, or slightly forked, with cylin- 

 drical joints proceeding from a sphasrical globule. 



Ellis Corallines p. 51. n. 9. tab. 24./. h. H. 



Very fmall, attached to Fuci,and may probably be the beginning 

 of C. fpermophorosv 



78, SERTULARIA. 



A. Stem horny , tubular, fixed by the base, beset with cup- 

 shaped denticles, and furnished with vesicles or ovaries, con- 

 tuining polypes, eggs, or the living young, 



702. S. rosacea. Panicled,. with alternate branches: 

 denticles opposite, tubular, truncate : vesicles crowned 

 with spines. 



Ellis Corallines p. 8. tab. 4. Phil. Trans. 48. t. 23./. 5. 



White, tender, growing on shells or creeping up other coral- 

 lines j vesicles refembling the blossom of the pomegranate. 



703. §\.puniila. Branches scattered : denticles opposite^ 

 seated on oval joints,, pointed, recurved : vesicles 

 obovate. 



Ellis Corall. p. 9. t. 5. n. 8. /. a. A. Phil. Trans. 48. t. 23./. 6. F. F. 

 , On the leaves of Fuci, particularly the F. ferratus. 



701. S. operculata. Branches alternate: denticles oppo- 

 site, pointed, nearly erect, with 2 bristles each side : 

 vesicles obovate, covered with a lid. 



Ellis Corallines p. 8. tab; 3.0, 6. f. b. B~. 

 , On Fuci and shells, about 5 inches long. 



705. S. tamdrisca. Branches alternate : denticles oppo- 

 site, truncate, and undulate at top : vesicles obovate, 

 truncate, with a small tooth each side and a short 

 tube in the centre. 



Ellis Corallines p. 4. tab. \. n. \.f. a. A. 



Stem nearly 4 inches long : denticles slightly 3-toothedv 



TOG. S. abieiina. Branches alternate : denticles nearly 

 opposite, oval, swelling at the base on the upper- 

 side: vesicles oval. 



Ellis Corallines p. 4. tab. 1. n. 2./. b. B. 



About 5 inches long, and often covered with small Serpulae • 

 branches often alternately pinnate. 



707, S. nigra. Blackish; pinnate ;. denticles nearly oppo- 



