154 



WORMS. MOLLUSCA. 52. Echinus, 



Phelf Zee-egel. p t 131. n. 3. tab. i.fig. 11 — 15. 



Inhabits larger than Ech, nucleus : mouth and w»/ equal, 



Craniolaris Surface globular on the fore-part, the bind-part nearly 5- 

 angled pulvinare and Hoping; circumference elliptic: 

 bafea little narrowed; fides grooved: avenues pulvinate: 

 crown eccentric. 



Pkelf Zee egeh p. 132. n. 4. tab, l.fig. l6«-zo. 



Klein echinod. ed. Lefk y p, 214. fab, 48* fig. 3 a, 3 e, 



/W/. Spia'l. Zool. 9. /^£. 1 y?^. 24. 



Inhabits India : white, and covered with granulations furroundei 

 with an engraved circle : crown w'ith 4 pores. 



Ti 



uracils. 



Surface and bafe pulvinate, circumference elliptic: fides 

 hardly grooved : avenues fubpulvinate : crown ilightly 

 deprelfed and central. 

 Phelj Zee-egel. p. 55, 132, tab. i»fig. 21 — 25. 

 Inhabits-*— -probably a variety of the lad. 



Vu 



la. 



Ovulum. 



Surface globular, circumference obtufely oval : bafe a little 

 narrowed : fides grooved : avenues flattilh : crown 

 centra'. 



Pbelf. Zee. egel. p. 133. tab. 1. fig. 26 — 30. 



Inhabits the Adriatic: refembles Ech, craniolaris. 



Surface pulvinate: circumference obtufely oval; bafe glo- 

 bular: fides Ilightly grooved: crown central. 

 Phelf. Zee- egel. tab. 1 . jig. 3 1 - - 3 5 . 

 Inhabits* perhaps a variety of Ech, craniolaris. 



Latbymst Surface and bafe pulvinate, circumference oval; fides ilightly 

 grooved : avenues pulvinate ; crown nearly central. 

 Phelf. Zee egel. p. 133. tab. 2. fig. 1—5. 

 Klein echinod ed. Lesk. p. 215. t ib. 48. fig. 1 a, 1 c. 



Inhabits Shell dull yellowifh-grey, and of a middle iize 



between Ech. nucleus and craniolaris. 



Equinus. Surface and bafe pulvinate, circumference elliptic : fides 

 fmooth : avenues fuopulvinate : crown central. 

 Phelf. Zee egel. p. 134. tab. 2. Jig* 6— 10. 

 Inhabits- ■ Kiein* ed. £ssk, p % 215. 



Minutus. Surface pulvinate and nearly flat, circumference ovate and 

 fubpentangular: bafe narrowed: fides grooved ; avenues 

 pulvinate; crown central. 



Phelf. 



