WORMS. MOLLUSC A. 0. Echinus. tfj 



iaferi* 2» Shell depreffed, with fewer tubercles, and a ferrate line 

 down the middle of the fpaces: pores of the avenues 

 placed in; alternate rows of z and 3 foramina, 



Lesk ap, Klein* tab, 43. fig, 3—5. tab, 49. f. 1, 2. 



Baji.op.fubs. 3. p, ill, tab. ll.f. 2 — "8. 



Reaum. del. Par, 1 71 2. p. 177. t, 8. 



Gualt. Teft. i, 107./. A. 



Inhabits the European Ocean, and is principally diftiriguifhcd 

 from Ecru efculentus", in being lefs, in hiving the top more 

 depreffed; and the avenues of pores narro.ver. 



££i// gree'mfh-grey, olive-green or redd ifti- violet : larger /paces 

 with 8 row? of fmall tubercles, befides fame very minute 

 fcattered ones : leffer fpaces with 2 rows of larger and as ma- 

 ny fmall tubercles : avenues with a triple row of double pores; 

 /pines 3 — 4 lines long, ftnate, acute or obtufe, whitifh, violet; 

 green or dackiih'-olive. 



h*- Kemifphsrical; depfefTed, with 10 avenues of pores, the 

 n cuS * fpaces with a ferrate future down the middle, and tranf- 



verfe lines: mouth pentangular, the angles obtufe. 



Klein, ed. lesk. tab. 2, E. tab. /±0 % fig. J. 

 Gualt. TeJI. tab. 107 V fig. M. 

 Belie. Nat.fel. p. 88. tab. D, /. 6. 



Inhabits — , ! probably a variety of Ech. efculentus. 



Shell yellowim-red with paler avenues, the bafe ochraceous ; 

 rough with larger and fmaller protuberances, 



Jnguhfust Hemifphserical ; r the fpaces granulate and bifarioufly wart- 

 ed, the larger ories biparted by a ferrate future down* 

 the middle: aVenues trifarioufly porous. 

 Klein. Ecbin. ed lef. tab. 2," F, tab. ^i,fig; i, 



2. Lefs, and greemfh-grey. 



Klein Ecbin, ed lesk. p, 94. tab. 3* A, B. 

 Seba Muj. 3. tab, io; fig. 20. 

 Argeni). concb. i. p. 310, tab, 25/ fig, H, 

 Gualt. TeJI. tab, 10S, fig, A. 

 Delic. Nat./eL I, /. 88 tab. D\ fig. 4, 5. 

 Inhabits ■ » Shell grey with a violet tinge. 

 Spaces with rows of granulation* and protuberances : dvenuet 

 with double diltant pores, 



Excavatus* Hemifphasrical ; fpaces granulate, 1 all of them bifarioufly 

 tuberculate: avenues excavated and bifarioufly porous. 

 Klein Ecb. ed. lesk. p, 95. tab. 44, fig. 3, 4, 

 Salt, de corp. mar, petrif. tab, 22, Jig, 2, D, 

 Found at r'erona in a petrified ftate: grey -yellow, 



VOL. IV.MS Globule 



