138 WORMS. MOLLUSCA. 53. Echinus. 
Glohulut, Hcmifphaericali fubglobular, with 10 avenues, the 
muricate at the fides and porous in the middle. 
Inhabits the Jnaian Ocean, Muf. Lud Vlr, 706. 
This is probably the fame as Ech. granulatus. 
Spharoidtt HemifphaErical, gibbous ! avenues 1©, every where 
cate and porous in the middle. 
Inhabits the Indian Ocean, 
Gratilla. HemifphaErical, gibbous: avenues lo, triplicate; the 
ttiuricate in a decuflate form. 
Inhabits the Indian Ocean, Muf. Lud, Ulr, 707, | 
Lixnla, HemifphErical, with 10 avenues in approximate 
the fpaces tranfverfely muricate and pundured. 
Inhabits the Indian Ocean, Muf, Lud, Ulr. 107, 
Saxatilh. Hemifphxrical, deprefled ; pores of the avenues in acurV'** 
line, the curves oblique at the bafe. 
Rump/. Amb, /. 3t. tab, \i,, fg A. 
^eha Muf, 3 tab, vo.jig, 11. Bat but, tab, 1 1 ,/, z, 
Klein eckin. ed, lesk, tab, j, and 30, A, B. 
Delic.nat. fil, 1, tab. D, iii.yifi 6. 
2. Seba Muf, 3, tab, 10. 
Klein echinod. ed, lesk, tab, 39, fig, 
3. Klein echinod. ed. lesk. tab, 5, fig.c, 
4. Klein echinod. ed, lesk, tab. 5, fg, b. 
Inhabits the Mediterranean, 2) Indian Seat, 1 
Shell fubelliptic, violet-grey or white ; protuberances violet, 
dilh or ycllowiflj, in z or 3 longitudinal rows : pores of V 
anienues double, 5 pair in a row ; mouth large : 'vent furroUi|‘V | 
ed with ovate acute feutes; jpinet rigid, reddilh-brown, | 
violet tips. j 
Femfratus, Orbicular, with a flat feneftrate bafe; fpaces 10, with 
equal fmall and large tubercles : mouth with 10 ang'**' 
Klein echinod. ed. lesk. tab 4, A, B, tab, 39, fig, 3, 
iValch dilwv.z, p. ryy. tab. E, i. a, l. ^ 
Inhabits . Shell white, with granulations over all j , 
fpaces and avenues; in the larger fpaces are 6 rows of ""j 
refembling papilla; : ansenues broad, with 3 pair of pores s 
? towards the crown ; fpints violet-black : wnt pentangul*’’' 
Hemifphxrical, orbicular; with 10 fpaces, the Icfler 0'’^* 
Fit> elevated, and 10 rows of tubercles in each. 
Inhabits—, Klein echinod, lesk, tab, ■x, C,D. ,, 
S0 
