t4 4 WORMS. MOLLUSCA. 52. Echinus. 



Teffellatus. With 10 fpaces divided in tU middle by a future and telTel. 

 late : avenues 10 r>i. .oro-.s : mouth circular. 



KUih echinod ed. Lesk p, 153^ i a b. n,G. 

 Found hitherto only in a foffile ftate. 



Baryoiies. Spaces divided by a longitudinal future in the middle, the 

 larger ones bifariouily tuberculate: avenues with a 

 double curved row of pores. 

 Ktein echtnd. ed. Lesk. p. 154. tab. 1 1. H a 

 Found as yet only ia a foiille ftate. 



Toreumct- Hemifphaerical, with 10 fpaces bifarioufly tuberculate, the 

 itcut ' tubercles crenate and furrounded by a circle of granu^ 



lations ; the larger fpaces with 4 longitudinal grooves* 

 the leffer ones with 2. 

 Klein ecbincd. ed. Lesk. tab, io, D, E. tab. 44. fig. 2. 



Inhabits Cinereous biueifh or greenifh, the bafe and avenues 



yellowifh : avenues biporous, the pores placed in a thickly 

 ferrate line; bafe pulvinate : mouth fmall : vent furrounded 

 with 10 fcale$. 



b. Something refemhing the figure of a flneld, 



*$ihuatuc. Convex; avenues 10 ftriate; fpaces 10: tubercles furrounded 

 with a circle of granulations. Polar Jlorie: 



Plot. Oxfordjh. p. 91, 92. tab. 2. fig. 9, 10- 



Klein echinod. ed. Lesk. p. 157. tab* 12. 



Lifter lap cochl. p. 224. 



Liid. Itthoph. Brit, p. 48. n. 97 1. 



Morton Northamptonfh. p. 23 I . n. f . 



Found hitherto only in a foffile ftate. 



One of the fpacer divided by an excavated finus : avenues broad 

 and punctured at each margin : bafe a little excavated and 

 furrowed by 5 divergent grooves: mouth fmali pentagonal. 



Smigloba- Hemifphserical, grooved, with a flat bafe: the prottiberan- 

 fa** ces placed in rowi. 



Klein echinod- ed. Lesk p % 158, tab, 43". /jf. i, 



Lang lap. fig*p* 1 1 9. tab, 34. 



Volkm. Sil./ubt. r. p, 179 tab $o,fig. $, 



Bourg. petrifi. tab 52. fig, 3 42. 



Found hitherto in a ioiliie ftate only. 



Quinque* Painted with innumerable annulations, with a hollow iri 

 Ubiatus, the middle furrou tiding a 5-rayed convex flar» 



Klein, echinod* td % Lesk, p, 159. tab* q\*fig, $* 



Wall 



