658 WORMS. ZOOPHYTA. 97. Spongia. 
O. Fabr. fa. Greenl. p. 448. n. 446. 
Inhabits the Greenland feas, adhering to the larger Ulvz; about 
$lines long: white, filky, downy on the outfide, and rarely 
found double. 
Cancellatas Tubular, porous, with cancellate fibres. 
Inhabits the Ocean: ferruginous, elaftic, with a prickly furface; 
the tube as thick as a finger, with a few lateral perforations, 
Rubra, Tough, fimple, carious, dnll red, roundifh, depreffed, with 
elevated tubercles and equal pores. 
Inhabits the Red Sea, fixed to ftones. 
Nigra. _ "Tough, globular, equal, inflated, black without, cinereous 
within. 
Inhabits the Red Sea, on rocks, 
Ofcinalis. Yrregularly formed, porous, tough, lobed, weoly. 
Philof Tranfa@. 55. p. 288. tab. 10. fig. D, E. 
Scland. and Ellis Corall. b, 183. u. 1. 
Inhabits the Zrebrepelago, Mediterranean and Indian feas, adhering 
to rocks by a broad baíe, ad is often found inclofing fmall 
ftones, fhells and particles of fand: variety of marine animals 
pierce and gnaw it into itregular winding cavities which appear 
on the outfide by large holes higher than the ret: its colour 
varies from a pale to a deep yellow: the internal part, when 
cut perpendicular, confifts of {mall tubes compofed of reticu- 
late fibres, and ending on the outfide in an infinite number of 
{mall circular holes which are the bibulous mouths of the ani- 
mal, each of which is furrounded by a few erect pointed fibres. 
This is the common Sponge of the fhops. 
*"Qculatz. Porous, foft and very much branched, the branches a little 
compreifed, ere& and often uniting together. 
Ellis Corail. p. 80. tab. 32. f. F. f. 
Philof. Tranfaf. $5. p. 288. tab 10. fig. B. 
Boce. Muf. p. 258. t. 116. Ruyfch Thef. 1. te S. 
Seba Muf. 3, tab. 97. fig. $—7. 
Pentopp. Nat. Norw. 1, p. 267. tab. t2. ) 
Inhabits the Britzfa feas; 5—10 inches high: pale yellow, the 
branches ending obtufely. 
Muricata. Porous, much branched, angular, tough, the pores cylindri- 
cal, fubulate, prominent, equal, many-cleft and hifpid. 
Philof Tranf. $5. p. 288. t. 11. F, Muf. Teff. pe 118. 1. ite fils 
Seba Muf. 3. tab, 188. tab. 99. fig. 7. 
Inhabits Gunea, on rocks; grey, corky, the branches furrounded 
dn al! fides with fmall obtufe fhaggy cafts: fem as thick as a 
Ginger, branches about the thickneis of a quill. 
Nodo/a. 
