Sertularia. Z. HYDROIDA. 127 



Wait till they land, and you shall then behold 

 The fiery sparks those tangled fronds infold, 

 Myriads of living points ; th' unaided eye 

 Can but the fire, and not the form descry." — Crabhe. 



7. S. EvANSii, " has op])osite hranchesy and short denticles 

 placed opposite to each other ; the ovaries are lobated, and arise 

 from opposite branches, which proceed from the creeping adher^ 

 ing tube." Mr John Evans.* 



Sertularia Evansii, Ellis and Soland. Zooph. 38. Turt. Gmel. iv, 681. 

 Bosc, Vers, iii, 115. Lam. Anim. s. Vert. 2de edit, ii, 154. Turt. Brit. 



Faun. 215. Stew. Elem. ii, 445 Dynaniena Evansii, Lamour. Cor. 



Flex. 177. Corallina, 78. Flem. Brit Anim. 543 La D. d'Evan, 



Blahiv. lib. cit. 484. 

 Hab. " Among- some sea productions brought from Yarmouth, in 

 Norfolk, in the year 1767/' Ellis. 



" This coraUine is about tvi^o inches high, very slender, and of a 

 bright yellow colour. It creeps on fucus's. The ovaries differ from 

 all the rest of the genus : they are lobated, and the lobes are placed 

 opposite to one another : these appear to be full of spawn, of a deep 

 orange colour, which is sent forth from holes at the end of the lobes." 

 Ellis. 



8. S. PiNNATA, cells opposite, tubular, the upper -part free and 

 divergent, toith an even patulous aperture ; vesicles obconical, tri- 

 tuberculate on the top. Pallas. f 



PjvAte IX. Fig. 5, 6. 



Sertularia pinnata. Pall. Elench. 136 S. fuscescens, Turt. Gmel- iv. 



677. Turt. Brit. Faun. 213. Steiv. Elem. ii, 442. Lamour. Cor. 



Flex. 195. Corallina, 85. Bosc, Vers, ili, 107 Dynamena pinnata, 



Flem. Brit- Anim. 545. Dyn. tubiformis ? Lamour. Soland. Zooph. 12, 



pi. 66, fig. 6, 7 La D. brunatre, Blainv. Aclinol. 483. 



Hab. " Oceanus ad Prom. Lacertse, Cornubiae," Pallas. " On 

 oyster-beds, common," Fleming. Frith of Forth, plentifully, Dr 

 Coldstream. 



Polypidom attached by tortuous tubular fibres, between two and 

 three inches in height, pinnated with alternate branches, of a blackish 

 or dusky horn colour, with a slight gloss on the surface, rather rigid 



' Ellis calls him " a sea-officer in the East India Company's service." Pro- 

 bably the same Mr E., a surgeon, whom Petiver mentions amongst the contri- 

 butors to his museum. 



f Peter Simon Pallas, M. D. born at Berlin, Sept. 22, 1741 : elected V. R. S. 

 in 1764 : died Sept. 8, 181 1. See Brewster's Edin. Encyclop. xvi, 278 ; Clarke's 

 Travels, i, 458, &c. Pennant's Literary Life, p. 7 ; but above all Cuvier's Me- 

 moir in Edin. New Phil. .Journ. iv. i). 211, &c. 



