WOftM.S. MOLLUSCA. 51. Aftcrlas. 17$ 



Rvficea. 6rbicular, and imbricate with oblong horizontal foliaceous 

 membranes affixed to the veficle. 

 Inhabits the Mediterranean. Forsk fn. Arab. p. izo. n 46. 

 Body hyaline, an inch in diameter, and refembles a tull -blown 

 flower bending downwards : veficle obtufe, ovate, reddifh, 

 and covered with flat obtufe foliaceotis membranes curved 

 , and thickly laid. 



fiiiformis* Lateral members oblong, filiform and pendent. 



Inhabits the Mediterranean. Forsk % Arab, p 120- «. 47. 

 Body very tender, not thicker than a thread, and a fpan longi 

 hyaline, with an obtufe ovate head about the flze ot a grain 

 of rice. 



51. ASTERIAS. Body depreifed, covered 

 with a coriaceous cruft muricate with 

 ten taenia, and grooved beneath : mouth 

 central,- o-rayed,^ Star-fjk; Sea-Jtar. 



Theie are all inhabitants of the fea, and are marked with a 

 rough white ftony fpot aoove : they eafily renew p-rts which 

 have been loft by viobnce, and fix themfelves to the bottom 

 by fwimming on the back and bending the rays. 



A;. Lunate. 



iiobilis* Granulous, with a ridge round the margin,; the dilk of 

 which is glabrous. 

 Inhabits North Seas, Font op. Norsk. Naturg* 2. p.zgi. 



hhilluu Lubricous, with an entire fimple margin. 



Mull. Zooi Dan I. /. 64. n. 25 tah.ify fig. I, if 

 Inhabits North Seas, round the iiland Kaboim* 

 Body above convex, covered with a fmooth fanguineous flan,' 

 tranfverfely ftriate here and thtfe, befet towards the margin 

 with foft obtufe white fpines, about the frze of a millet feed, 

 and divided into 10 areas, the margin not articulate, but rough 

 in the angles with about io acute papi»Jae : beneath concave, 

 fmooth, whitifn, with a rofy tinge, andhollowsd by c grooves 

 each fide covered with horizontal batons. It tinges warm 

 water with a tawny colour 



Militarise Every where granulous, with a palvinate margin, which i$ 

 ali^e granulous. 

 inhabits North Seas, Mull 7,ooL Dan. prodr. 282s, 



VOL. IV,— R Ivndt 



