9G BRITISH SPONGES: 



3. H. CERVICORNIS, stalked, dividiny dichotomously into 

 roundish erect branches of tow-like appearance, covci'ed 

 with jwinted hairs : spicula short, acute at both ends. 

 Plate IV. and Plate V. 



Spongia ramosa, Ger. Herb. em. 1577, No. 9. Merr. Pin. 116. 



Downy branched English sponge, Ellis in Phil. Trans, abridg. xii. 

 261, pi. 7, fig. C. 



Spongia cervicomis, Pall Elench. 388. 



Sp. stuposa, £■//« and 5o/a?jrf. Zooph. 186. Turt Gmel. iv. 639- 

 Turt. Brit. Faun. 208. Jameson in Wern. Mem. i. 362. Mon- 

 tagu in Ibid. ii. 79, pi. 3, fig. 1, 2 ; and pi. 4. Steiv. Elem. ii. 

 434. Base, Vers, iii, 172. Lamour. Cor. Flex. 78. Corall. 

 183. Parkins. Oryct. 47. Lam. Anim. s. Vert. ii. 381. 2de 

 edit ii. 372. D. Chiaie, Anim. s. Vert. Nap. iv. 150. 



Tupha stuposa, Gray, Brit. PI. i. 334. 



Spongia lanuginosa, Esper, Spong. tab.24, fig. 1,2. Lam. Anim. 

 s. Vert ii. 379 -. 2de edit. ii. 370. Lamour. Cor. Flex. 73. Co- 

 rail. 181. Parkins. Oryct. 46. 



Spongia echidnsea, Lamour. Cor. Flex. 68. Corall. 177. 



Var. /S. — " With very slender dichotomous branches, digitated at 

 their summit ; the surface granulated." 



Spongia digitata, Montagum Wern. Mem. ii. 84, pi. 7. Flem. Brit. 

 Anim. 525. 



Tuplia digitata, Gray, Brit. PI. i. 333. 



Hah. On the shore at Hastings in Sussex. Ellis. Coast of 

 Devon, rare, Montagu. Above Queensferry, and Leith shore, 

 Jameson. On the shore of Belfast Lough, Templeton. Dub- 

 lin Bay, W. H. Harvey. 



Sponge erect, plant-like, about a span in height, affixed by 

 a fibrous base, stalked, dividing in general after a dichotomous 

 fashion into cylindrical branches which spread out laterally, and 

 have either simple or forked extremities, of a fibro-reticular tex- 

 ture, and tow-like appearance ; the upper branches soft and 

 transparent, — the lower parts of the sponge and stalk firmer 

 and opaque, and generally twisted : colour yellowish-brown : 



fecal orifices few and inconspicuous.— The reticulation of the 



4 



