Hofaceus. 
Altus. 
Oyformis, 
~ 
WORMS. MOLLUSCA: 52. Echinns. 149 
c. The bafe irregular, with 5 expanded petal-[baped marks 
on the furface. 
t Lhe margin with angular finuofities. 
Flattifh and roundifh- oval: avenues 5, oval, with a dotted 
furface. Lr EN 
Bartut, tab. 11, fig. 9. $ Vid Ct tab. 242, f. 6—11. 
Kein echinod. ed. lesk. & 185, tab. 17; A. 
Rumpf. Amb. tab. 34, C.  Petiv. Amb. tab. 14s f. 10. 
Seba Muf. 5. tab. 11, f. Es 
Delic. nat. fel. 1, 5. 91. tab, D. 1. f. 12. 
: TU ecbinod. ed. lesk. tab. SA Bs 
Seba Muf. 3. tab. Too Ep Tt, 12$ ^ 
Qui) icp. t. tab, 110, A. 
3. Fern echined. ed, les. tab. 18, B. 
Beoccan. obf. p. 324, tab. fiz. 1. 
4. Seba Muf, 3. tab. 15, fig. 13, 14, 23» 24. 
5. Klein echined, ed. les tab. 40. tab. 41, f. Y. 
Inhabits the Affatic Ocean, the laft variety foffle; yellowifh- 
brown, fometimes dirty cinereous; covered with {mall tuber- 
cles like grains of fand, and dilpofed in a quincunx form. 
t3 
Crown elevated, orbicular ; avenues broad, with convergent 
granulate fips. 
Klein echinod ed. lesh. p. 189. tab. $3, fs 4- 
Scill. corp. mar. tab. 9, fig. 1, 2. Per reer d. 36; ful. 
Walch diluw. monum. juppl. tab B, d. to Le 
Found in a foffile ftate: higher than the Jaft: about 2 inches 
high and 6 broad at the widett part of the bafe. 
tt Ovate, with an entire margin. 
Convex and flat beneath: avenues 10, biporous and ex- 
panded in a ftellate form: crown with 4 pores. 
cee echinod. ed. lesk. p. 191. tab, 20, €, d. 
. Klein echin. ed. lesk, tab. 18, C, D. 
2. Klein. echin. ed. lesk. tab. 20, a, b. 
Aldrov. Muf. met. p. 498, fe 1,2 
Rumpf. Amb. tab, 59. fg. D i 
Breyn. echin. p. $9. tab. 2, p^ AS 
Walch diu. monum. 2. p. 81 tab. E, ili, 2. 5. 
3. Seba Muf.3. tab. 10, fig. 23. 
Inhabits —j above brownifh- -grey, beneath whiüifh-grey ; 
granulate, with a circle round the granulations: south tran{- 
yerfe' and flightly kidney-fhaped: went marginal, near the 
mouth : bafe with a paler glabrous line in the middle, reaching 
from one end of the fhell to the other, 
Or! re 
