114 BRITISH SPONGES: 



tion could not have been made without an examination of the 

 spicula. 



15. H. PANICEA, incrusting, amorphous, compact, cellu- 

 lar like C7'umb~of -bread interiorly, the surface minutely po- 

 rous, even or papillary ; fecal orifices large and scattered ; 

 spicula fusiform, sliyhtly curved. 



Pi-ATE X. and Plate XI. Fig. 5. 



Halichondria papillaris, Flem. Brit. Anim. 520. Johnston in Trans. 



Newc. Soc. ii, 270. pi. 9, fig. 3. 

 Halispongia papillaris, Blainv. Actiiiol. 5-32. 

 Var. 0. Sponge forming a white leprous crust, covered with a skin re- 

 ticulated like gauze when dried. (Plate x. Fig. 1.) Spongia to- 

 mentosa? Lin. Syst. 1299. Turt. Gmel. iv. 659. Tiirt. Brit. 

 Faun. 208. Stew. Elem. ii. 434. Base, Vers, iii. 171. 

 Alcyonium tomentosum, Templeton in Mag. Nat. Hist. ix. 470. 

 Var. y. Crust thicker, even or irregularly raised, with a smooth surface ; 

 oscula level or on slightly elevated mammilla?. (Fig. 2.) — Fu- 

 cus maiinus noster similis medullse panis. Rail, Hist. Plant, iii. 

 16. 

 Spongia informis durior, compressa, Raii, Syn. i. 30, No. 7. 

 Alcyonium ramosum molle, medullse panis intus simile, Raii, Syn. 



31, No. 1. 

 Sponge like Crumb-of-Bread, Ellis, Corall. 80. No. 2, pi. 16, fig. d. 



D. Phil. Trans, abridg. xii. 261, 261, pi. 7, A. 

 Spongia panicea. Pall. Elerich. 388. Turt. Gmel. iv. 660. Lamour. 

 Cor. Flex. 29. Corall. 157. Stew. Elem. ii. 435. Bosc, Vers, 

 iii. 173. 

 Sp. urens, Ellis and Soland. Zooph. 187- Hocjcj, Stock. .38. Tem- 

 pleton in lib. cit. ix. 471. 

 Sp. tomentosa, Montagu in Wern. Mem. ii. 99. Jameson in Ibid, 

 i. 562. Gray, Brit. PI. i. 361. Grant m Edin. Phil. Journ. xiv. 

 114. 

 Sp. urtica, Risso, L'Europ. Merid. v. 370. 

 Alcyonium papillosum, var. 2, Lamarck, Anim. s Vert. ii. 398. 2de 



edit. ii. 604. 

 Alcyonium medullare, Lam. Anim. s. Vert. ii. 400. 2de edit. ii. 

 606. Templeton in Mag. Nat. Hist. ix. 470. Lamour. Cor. Flex. 

 355. Corall. 251. 



