66a WORMS. ZOOPHYTA. 97. Spongfa. 



Porrillum. Cylindrical, pedicillate, with perforated top. 

 O. Fabr. fn. GrccnL ^.449. n. 468. 



Inhabits North Seas, not 2 lines long: whitifh, and refembling a 

 glafs tumbler. 



Cgafit*. Very much branched, foft, tender, yellow, the branches a 

 little comprefled. 

 Inhabits North Seas, Mull. Zoo/. Dan, 3. /, 71. /. 1 20. 



Plana. Expanded, cruftaccous, fan-fhaped. 



Mull. Zocl. Dan, prodr. 3090. 



Inhabits North Seas: probably not a diftinft fpecies. 



Cruciata. White, comprefTed, with pinnatifid obtufe miuicate woolly 

 branches. 

 Inhabits Norway. Mull* Zoo!. Dan. prodr. 3093. 



OJJifoi-miu White, {lightly branched, with a thickened pitted top. 

 Inhabits Norway. MulLZcol. Dan* I. p. 149. tab. 40. 



Macida. White, cruftaceous, projecting into fpines. 



Inhabits Norway. Mull. Zoo!. Dan. prodr. 3095. 



Piriformis. Porous, rigid, turbinate, with a perforated tip. 

 Inhabits Barbaty. Pair. Voy. Barb. 2. p. 61. 



* Lacuflris. Creeping, brittle, with erect round obtufe branches, 



Found at the bottom of lakes in England apd Sweden: covered 

 with Mattered p res, in which arc fometimes found during 

 autumn fma.l blueilh mining globules. 



*Fluviati- Green, erect., fragile, of many irregular branches. 

 lis. Pluknet Almag. p 356. tab. \\2.f1g. 3. 



Rupp. fi.jan. p. 308. tab. 3.7%. I. 

 Paf.fi. Prufi. p. 172. tab. 52. 



Inhabits frelh waters, of Europe and Prujfia : dull green, with 

 hardly the appearance of animal life, of a fifhy fmeli, and with 

 the pores full of green gelatinous granulations : very much 

 refembies the laft. 



Friabllis. Cinereous, friable, femle, irregularly fliaped and flightly 

 branched. 

 Wart?xann et Girtann. Naturf. 21. 

 Inhabits lakes of Germany, and is the food of iiih. 



Canaliutn,, With dichotomous round incurved branches. 

 Scbrceter Naiurf 23. p. 149. tab. 2. 

 Found in old aqueducts ; probably not of this genus. 



98. FLUSTRA. 



