< 5 * WORMS. MOLLUSCa; 5,, Echmu,, 
^rhaja/a. Granulate ; avenues biporous, the pores united by a tf*S 
M j Wprefred hne, and the intermediate fpaces ^ 
vided by a ferrate line in the middle* the reft of 
furface ^-parted. 
ir / A ed. leiie, p. ig+. tab. 41, fig, 2. 
Welch manual, diluv. p. 181. tab. i.\. f. zf 
p^trif. p,yy, 53, ^ / 
Found in a petrified Hate* and a very indifiina fpecies, 
(. Flat an both Jtdes ! the avenues nferilliHr petals : Z'**’*'^ 
central, fiat, toothed ; crown with 4 pores. 
•f fFith afinuate margin and perforate furface. 
The bafe with 5 grooves and to flexuous radiate lines: 
the vent 2 oblong foramina 
K/ef echinod cd. lesk. p. 169. tab. 21. A, B. 
AZWfir Lsnnei/ch. Naturf 6. B. tab. 8,/ 8. . 
inhabit. - — above a little convex and pale yellowift'®! 
beneath ochraceous.: fometimes roundifli, fomenmes obt«'‘ 
mangular j the m«gin fometimes finuoits, iometimes , 
Sorter and fubovate, foinetime* longer, narrov er or lin^'v 
fnner/nw^^r J oonfiRing o( 
of dots, and a row of oblique ftrias penetratii'S ' 
hnioperu,. Avenues cmarginate at the tip: vent near the mouth, 
5 loramina. 
laem echtned, ed. hike, p. 197. tab. 21,/rV. C. D. 
Hugh, Barb, 280. tab. za, /Ip- 5, a. ^ 
SehaMuf.^. tab.:^,fi.l/,l ^ 
Argenv. conch, z. p. 63, tab. 7, fig. C. 
Cualt. tefi. tab. iio, fig. E. 
pat. Jel. I. p. 93, tab D. i. fig. i6. . , 
obmidy pentagonal ; above whitilh-alh wi'/!,, 
reddilh tinge J beneath hollowed towards the middle, , 
with a httle yellow and blue veins ; Jhell with prominent tl''', 
^ ions: avenues oval; mouth obtufely pentagonal, the liP*. 
httlc prominent and perforated with a foramen : vent 
Iquare with adjacent linear and fuboval foramina; cri^ 
tnarlicd with a pentagonal flar. 
^hxaporuu Orbicular, with narrow avenues, and 6 narrow foraifl''’' 
near the vent. 
Klein echuiod. ed. hike, p. 199. tab. 50, fg. 3, 4. 
