148 WORMS. MOLLUSCA. 52. Echinus. 
2. Klein echin. ed. lesk. tab 42, fig. 8. 
Walch diluo. monum. 2. p. 179» tab. E, i, ia [a 
Aldrov. Muf. met. p. 455, fig» 3- 
Bytem. biblioth. app. tab. 23, fig. 270. 
3. Jein echin. ed. lesk. ic. tit. and tab. 8, f. G. 
» Walch diluv. monum 2. p. V77- tab. E. a. f. 5. 
Found hitherto only in a foffile ftate. 
Shell compofed of zo rows of pieces, ro larger and rolefs, all of 
them united by a ferrate future: /paces 10 larger and 10 
{maller, in the latter of which are 2 imprefied dots: mouth 
rounded, Ímall: wert fuboval, 
9 Pullulofur, Spaces obfalete and not tuberculate: avenues with raifed 
dots difpofed in pairs: crown impreffed. 
Plot. Oxfordfh. § 36. tab. 2. fig. 14. 
Luid. litb. Brit. 5. 47, n- 954. 
Lift. lap. cochl. p. 225. fig. 29-- 3t 
- Klein. echinod. ed. lesk p. 180. iP XG, A, B. 
Morton Northampt. b. 335. tad. 10, fig. 12, 
Hoo s Works, p. 284, tab. 3. fit. zd 
Helw. tb. Angerb. p. 70. s a fig. 12. 
1 Mell. ecb. wagr. tab. 1. fig. 7, 8. 
Kundm. rar. nat. et art. p. 95. tab. 5. fig. 8, 9. 
Found in a foffile ftate : © reíembles Ech. fcutatus i in PENIS cir- 
qumterenen, mouth anid vente 
4 
Quadri- With 4 double rows dE dots, 
radius, — Klein echinod. ed. lesk p, 182. tab. $4, f. 1. 
Mell de cap. fig. Lubec p. 28. 1.2, f. 7. 
Fouad hitherto in a foffile ftate only. 
Minor. Ovate, with a flat or concave bafe: {paces and avenues ro, 
the latter biporous : mouth traniverfe, roundifh : vent 
fuboval. 
t. Papillous. Kiein ed. lesk. tab. ub CG; D. 
2. Waved. Kiein ed. lesk. tab. 17. a, b. 
Brein. ecbin. p. 58. tab. 3, f. 39 40 
2, Smooth. Klein echin, ed. lesk. tab. 17, C, de 
Volkm. files: fubt. tab. 30. fig. 7: 
Found in a foffile tate. 
* à 
Ovate, with 1o fimply porous avenués: half of the vent 
marginal. 
Klein shaded, ed. lek. po 184. tab. 44. f. 5. 
Found hitherto only in a foflile fate. 
The 5 larger fpaces marked with impreffed circles. 
Dubus, 
ey The | 
AT YA 
