1^4 WORMS. MOLLUsCA. 52 . Echinus. 
PMf. Zee-tgel f. n', i. ial. t.fg, u — fj. 
Inhabits— —larger than Ech. nucleus s tntiuh and vent equal* 
Crmiolarh Surface globular on the fore-part, the hind-paTt nearly 5 ' 
angled pulvinate and (loping; circumference cllipti''' 
bale a little narro'ived: (ides grooved: avenues pulvinal^' 
crown eccentric. 
Phclf Zee-egel.p. 132. «. 4. tab. fig. 16—20. 
Klein eckinad. eii- Ltjk, p. 214, tab, 2 a. -t e. 
Tail. Sficil.Zool.t). tab. 1. fig. ti, ^ 
Inhabits India: white, and covered with granulations furround*'' 
tVith an engraved circle : ersaun with 4 pores. 
Turtitus. Surface and bafe pulvinate,' circumference elliptic: 
hardly grooved: avenues fubpulvinate : crown (light'/ 
deprelTed and central. 
PW/. Zee-egel.p. 33, 132. tab. \.fig. 21 — 25. 
Inhabits— probably a varicry of the lall. 
Zkia. Surface globular, circimiferencc obtufely oval : bafe a Hlt'^ 
narrowed: (ides grooved t avenues (lattilh: crov'tf 
central. 
Pbelf. Zee.egel. p. 133. tab. x. fig. 26 — 30. 
Inhabits the rcfcmbles Ech. craniolaris, 
0 ‘uiiliim. Surface pulvinate: circumference obtufely oval ; bafe 
bular: (ides (lightly grooved : crown central. 
Phelf.'Zee-egel. tab. l.fig. 3I--35. 
Inhabits perhaps a variety of Eph. craniolaris, 
Lathyrm,' Surface and bafe pulvinate/ circumference oval: fides (lighti/ 
grooved : avenues pulvinate ; crown nearly central. 
Phclf. Zee egcl. p. 133. tab. z.fig. x—g. 
Klein echinod cd. Lesk. p. 215. t ih. 48 fig. I a. i c. 
Inhabits Shell dull yellowi(h-grey, and of a middle f>^^ 
between Eih. nucleus and cranioJaris. 
Pquinus, Surface and bafe pulvinate, circumference elliptic : 
fmooth : aVenues fubpulvinate ; crown central. 
Phelfi. Zee cgel. p. 134. rai. 2.^^, 6— to. 
Inhabits' ■ Klein, ed. Lssk. p, 215. 
* • d 
blihutat. Surface pulvinate and nearly flat, circumference ovate att 
fubpentangular: bale narrowed: (ides grooved : aventt^^ 
pulvinate: crown central. 
