662 WORMS. ZOOPHYTA. 97. Spongia. 
Parcilium. Cylindrical, pedicillate, with perforated top. 
O. Fabr. fa. Graal. p. 449. n. 468. 
Inhabits North Seas, not 2 lines long: whitifh, _ and refembling a 
glais tumbler, 
Cealita. — Very much branched, foft, tender, yellow, the branches a 
little compreffed. 
Inbasits North Seas. Mull. Zool, Dan, 3. ps 71st, 120. 
Plana. He panied, cruftaceous, fan-fhaped. 
Mull. Zool. Dan, prodr. 3090. 
Jnhabits North Seas: probably not a diftin& fpecies. 
Cruciata. White, compreffed, with pinnatifid obtufe muricate woolly 
branches. 
Inhabits Norway. Mull. Zoo]. Dan. prodr. 3093. 
Offfortis, White, flightly branched, with a thickened pitted top. 
Inhabits Norway. Mull. Zook Daa. 1. p. 149. tab, 40. 
Macida.. White, cruftaceous, projecting into fpines. 
Inhabits Norway, Mull. Zool, Dan. prodr. 3095, 
Ficiformis. Porous, rigid, turbinate, with a perforated tip. 
Inhabits Barbary. — Poir. Voy. Barb, 2. 5. €1 
9 Lacufiriss Creeping, brittle, with ere& round obtufe branches, 
Found at the bottom of lakes in England and Saveden: covered 
with fcattered pores, in which are fometimes found during. 
autumn {mail blueifh fhining globules, 
®Pluviati- Green, erect, fragile, of many irregular branches, 
eg to Pluknet Almag. p 356. tad. 112. fig. 3. 
Rupp. fl. jan. b. 308. tab. 3. fig. V. 
Laf. fl. Pruff. p. 172. tab. 52 
Inhabits frefh waters of Europe and eat dull green, with 
hardly the appearance of animal life, of a fifhy fmell, and with 
the pores full of green gelatinous granulations : very much 
refembles the laít. 
Friabilis, Cinereous, friable, feffile, irregularly fhaped and flightly 
branched. 
Wartmann et Girtann. Naturf. 22. 
Inhabits lakes of Germany, and is the food of fifh.. 
Canalium; With dichotomous round incurved branches, 
Schrater Naiurf, 23. p. 149. tab. 2. 
Found in old aquedudts: probably not of this genus, 
98. FLUSTRA., 
