f 5 8 WORMS. MOLLUSCA. 52. Echinus, 



*§ubglobu~ Both ends convex, fubglobular, adulate: avenues 10, with 

 lw* biporous ftrise; vent ovate. 



Morton Northern,}, p. 233. tab* \0.fig> 8, 9. 



Liflt lap' cocbl. p. Ill- fig' 26. 



Luid. lith* Biit. p. 49. n. 983—994. 



Scheuchz. hluf. dilwv. pi 85* «. 800, 814. 



Breyn Eehin. p.6i. tab. $.fig. 3, 4. 



BujaU Nat. Merk-iv.p. 2598. tab. zz.fig. k. 



Walch Monum. dilu-v 2. p % 1 82. tab. E. iv.fig. $, 4/ 



Found in foffiie Hate : granulate, wich 4 pores on the crown 

 /paces divided by a longitudinal ferrate future, and grooved 

 with tranfverfc curved lines, the pieces 7-fided ; mouth fome- 

 what kidney-fhaped and furrounded with tubercles difpofed in 

 a flellate form, 



Afianthyiis Oblong, heart-fhapec! and fubconic ; the bafe flatter : ave* 

 nues and fpaces 10: mouth rounded and furrounded 

 with an elevated margin: vent oval and cmarginate 

 below. 



Klein, ecbinod.ed, Lesk. ft. 243. tab. $$.fig. l> 2. 



Found in a foffiie ftate : the larger fpaces with 7-angular pieces, 

 JeiTer ones 6-and 5-aagled : -vent furrounded with an elevated 

 band* 



BUordatus. With a double crown. 



Klein, ecbinod. ed. Lesk.p. 244. tab. 47. fig. 6. ' 

 Asdrea Br. a. d' Schvj. p* 16. tab. 2. fig. C. 

 Found hitherto in a petrifid flats only. 



Carinaius. Middle bf the back Carinate. 



Klein, echin.ed. Lcjk. p. 245. tab* ^l-fig. 2, j. 

 Bayer Orycl. Nor. tab. y fig. 43. 

 Valer,t. Muf. z. tab. $.fig. 7. »• I. 



Found in a foffiie ftate; refembles the laft, but is narrower behind, 

 mouth kidney .iluped: vent obfolete. 



c. Ovate; the avenues grooved,. 



*'$pata*u$. O vate > gibbous, with 4 deprefTed avenues. 



* Brit. Zool. iv. tab. 34./^. 75. Barbut. t. il.f. 7. 



Ginann. adv. zp. 41, tabi zg.fig* 174. 



I. Spotted, Klein echinod. ed. Lesk. tab. z\. A, B tab* 26. A* 



Sail, corp, mar. tab. 4, fig. 2,3. 

 Rumpf. Amb. p. 36. tab. 14. n. I. 

 Cualt. teji. tab. 109. fig. A. 



€. Larger. Pbelf. Z?e-egel- /. 39. n. r« 



Knotty. Seba Muf. 3. tah 10. /r> 191 



