326 PETRIFACTIONS. 109. Helmintholithtr^. 



44» The EcTiinus bicordatus. ! 



Andrea Br a.d. ^ch'W. p^ i6. ta^, 2^/1 C, 

 In the mountain!, of S^izerUxd^ ] 



45. The Echinus carinatus, 



Leske ap klein, echinod^ p* 245% taB» JJ*/! 2> 3^ 

 In No ''IV ay, 



46. The Echinus Spatagtrs. < 

 Leske ap klein. echinod. p, 2^4^. taB.24f- A,B. t. 26. A. 



Found abundantly in the ehalk hills of England, near Mafin^v 

 and in variou-s parts o£ Germany and Switzerland^ 



47. The EchrnasbrilToides, 

 Sail. Corp. mar in, tab* to, fig, !► 



48. The Echinus ovalis. 



Leske ap klein. echinad. ^^253. tah^^lt /I 5, 

 In the mountains of Snxitzerland, 



49. The Echinus pyriformis. 



Leske ap klein, echinod. p. 255. t* 44. f. 7. /. 51* f. S^^f - 



50. The Echrnos Lapis cancri. 



Leske ap kleine echinod, /» 256* /. 49. /*. !0» ! i, 



51. The Echinus patellaris. 



Leske ap klein^echpmd. p. 256. /. 55./. 5-7- 



B. T^he parisp 



1. Thefpines. - Jew/s-fimf^ 

 Helmintholrthusjudaicus. Syji, naf» 3. p. 169. ». 9* 

 Imperat. Hift, Nat. 734. /. I- 4. 



Fo/iw. 5/7/?/: u /fl^. 27 /^. 32. 

 Jew8 ft one. Berkenhout Jyn p,zjz„ 

 Lluyd lithop.Brit. cap, 15. tab. 12. 



a. Thin, round, ftraight, cylindricaf. 



fe. Thin, round, ftraight, conic^ 



c. Thin, round, incurved, 



d. Thicker and finger-like^ 

 c. Thicker and fufiforra. 



f. Thicker and 3-lided. 



g. Thicker and clavate. 

 h. Refembling a fmall cucumber* 

 i. Refembling an olive or gland. 



2. The knobs. 



3. The feparate compartments of the fhelU 



