*3 ; 



WORMS. MOLLUSCA. 51. Afterias. 



I mabifs European and Northern Seas. 



Boay with fometimes a violet furface, fomctimes with violet tu- 

 bercles only, iheie are either dilpofed in rows or irregularly 

 featured: dhk orbicular : rays lanceolate and reddifh at the 

 tip: beneath yellowifh in the grooves. 



Sanguino- Above fanguineous, the rays tipt with white. 

 lenta. Inhabits it orth Seas. Mull Zoo]. Dan. prodr '2836, 



Perforata. Unarmed, with perforated dots on the back. 



Inhabits North Seas. Mull, Zool. Dan. prodr, 2834. 



Aranciaca. D\(k broad : rays 5, fnbdeprefTed and prickly at the margins. 



Mull Zool Dan I. p. 3. tab. 83 fig. 1 — 3. 



Aft. tsidrof. 4. tab. 14, fig. 3 — 6. 



Barbuiy tab. 10, fig. 6. Barr. ic. 1281. 



lAnch. tab 4, fig. 14, tab. 5, fig, 6. tab. 8, fig. 12. 



Se/'a MuJ. 3 tab. 6. f 5 — 8 



Inhabits Mediterranean and North Teas. 



*£que(lriu Rays 5; difk reticulate and perforated with dots : tubercle? 



5 : margin fubartcu ate : beneath a firigle row of 



tentacula. 

 Inh bits European Seas. Bar hut, fah. 10, fig. ~» 

 Ai\ incgularis, Brit Zooi. v. , p< bi. 

 Linch. tab. 6, f. I 3. tab. 1 2, /, 21 . r*z£. I 3, /• 22, 

 Seba MuJ. 3. tab. 8, _//g. 6, 8, Barr. ic* 1 285. 



Laevigata. With <? femicylindrical obtufely 8-angk4 unarmed rays* 

 Barbut, tab. ip 9 fig. 8. Linch. tab. ?.%■> fig. 27. 

 Rumph. I/i<tf tab. 1 5, fig, E. Grcw, M«/: /^. 8, fig. 1 , 2. 

 Inhabits Mediterranean <ind Indian fcas. 

 .Rryj- covered with obfolete vv^rts, and between them at the 



rides are hollow dots : beneath the warts are difpofed in a 



quincunx. 



*Metnbra<* With <; broad membranaceous rays, extremely thin and flat. 

 nacea. All. placenta, Pennant Brit. Zool. iv. tab. 31, fig. 59, A. 



Linch. Jl ell mar tab. 1, f 2. 

 Inhabits Europe n and Mediterranean feas. 

 ^fl_y/ rough With tubercles : beneath with 5 elevated convex ribs f 



Granulans* Pentangular, unarmed, each fide tdfellate with granula-' 

 tions; the margin jojnted. 

 Ltnck.'JlelL tab I3>ftg> 22 tab. 27,//^. 45*. 

 Mull. Zool. Dan 3 p, 19. tab. 92. fig. I — 4, 

 Inhabits the ifiand Santa Cra%. 



p. Padk-re 





