

U* WORMS. MOLLUSCA. 52. Echinus, 



*CV**»///. Hemifphserical orbicular, with 10 fpaces alternately nar* 

 rower and covered with fcattered papillae : avenues flat, 

 meting in confluent pairs before the area of the crown. 



Morton North* nit. p. 234. tab* 10. fig. 10, 

 Luyd. Htbopk. Brit. n. 97 9 — 981. 

 Lejk. ed. klcin. p. 136. tab. 8. A, B. 

 Lang. lap. fig. p. 122. tab. 31. 

 Bourg. pstnf. tab. 51. fig. 334. 335' 



2. Plot $taffordjk. p. 178—198./^ i3.fi*. 21j 

 Left. ed. kkin. echin* p. 138. tab. 8, C. 

 tieoPs Works, p. 284. tab. 2. fig. 2, 3. 

 Lifter lap. coch. p- 120. tit. et fig. 19. 

 Lluid. litb Brit. p. 46. fig. 942, 9430 

 Lang, lap* fi%. p. 124.. tab. 35. 

 Valent. Muf. 2. tab. T,.fig. 8. 

 Bourguet petrifi. p. 76. tab. $l.fiig. 345. 346. 

 Scheuchz.. onftoir. p t 317* fig. 1 34. 

 Scheuchz. phys. facr. tab 56. fig. 65. 

 Baier cryfltgr. writ. tab. }>■ fig. 36. 



3. Klein, echinod. ed. Lejk. p: 140. tab. $5. fig. 2* 

 Rumpf. Amb. p. 337. tab. S9-f'g- &' 



4. Klein, echin. ed. Leik-e. 141. tab. 8. yVg-. D^ E. 

 ' Inhabits various oms of the world, and as yet has only been 



found in a foilile ftate, in a chalky and flinty foil. 



aftirizans* Orbicular deprefTed; tubercles furrowed with a groove up 

 to the tip and furrouned wmh a circle of granulations, 

 Klein, echinod. ed. Lesk. tab. 8. F. tab. 46. fig. 5, 

 Found among chalk in a foilile itate* 



■Jjulatus* Shell fcufrellate, the fcutels United by tranfverfe futures, 

 Klehu echinod. p. 15. § 26. 

 2. Tcffellate. Klein echinod p. 16. § 27. 

 Inhabits probably not a diitinft fpecies. 



S'arJicus, Orbicular deprefTed tuberculate, with to impre (Ted avenues : 

 the fpaces multifarioufly tubercled, with an impreiie4 

 future down the middle. 

 Klein, ed. Leske. tab. 9. A, B. tab. %\ fig- 4.-6, 

 Plane, comm. Bonon- \.p. 236. tab. !./(£• 4; 5* 

 Bonan. recr. Z. p. <)2 t fig. 19* 



Scill. corp. mar. tab. i^.fiig It/. 3^- ^* >A _ 



Inhabits the Tufican and Adriatic Seas - y large, grey-ycilowim-red, 

 the bafe nearly flat and more yellow: larger y>*aw with tu- 

 bercles difpofed in 8-12 rows, with Jefferor.es and fmalj 

 granulations in the interfaces ; the letter fpaces with 4-6 row! 

 of fmaller tubercles j avenues with 5 pair of pores p»aced in an 

 arched row: mouth fmall with 10 fmuofnies, 



Flammeus* 



