140 WORMS. MOLLUSCA. 52. Echinus. 
Radiatus. With 5 radiate avenues, forked at the tip. 
Leik. ap. Klein, echin, p.iiS, tab. 4.4, fiv. i. 
Seba Muf, 3, tab. \\, fig 1,2. 
Inhabits . Each of the antenus is terminated by 2 
lays, and perforated with pale red foramina. 
Ctrctnatus. With 10 granulate fpaces, bifarioufly tuberculate; 
mrger ones excavated, the lelfer ones elevated, 
iubpulvinate at the bafe. 
Klein echin. td leske, p. i ig, tab. 4^, fig. ip. 
Scill. corp. mar. tab. f\p 
Found hitherto only in a foffile Hate. 
Cidarit, 
Hemifphasrical, deprelfed, with 5 flexuous linear avenu^®’ 
the fpaces alternately bifarious. 
Klein echin. ed. leik. /. 1 25. tab. 7. Barbut, tab. 11 , /. 4. 
'■ 7> 39>/ J. 2- Si,/.h, 1,2. 
beba MuJ. 3. p, 30, tab. 13, fig. 11,12. 
Delic Nat fel. tab D, fg 2. 
Phef Zee-egel p. 29, tab. I, fg. 10. 
Lefs. Klein, ed.lesk.p. lay, tab. 7, 
Rumpf. dmb.p ii,tab. 12, lig. 3,4. 
Seba Muf 3, tab. 3. drgetnj. Conch, tab. 25. E. 
Delic. nat. jel. tab. D. M.fig. 5. 
3. Spines fufjform. Seba Muf 3. tab. 13, fg. 8 . 
Klein ed. letk. tab. 41. fig. 4. tab. 7. D, E. 
Sci/l. corp. mar. tab. 22. fg. 1 — 3. 
Bonann. Muf. p. 92, fig. 17, 18. 
- GuaU. teii. tab. 108. fg. D, E. PeCnj. Amb. tab. 7,/. 2. 
4. Spines claviculate. De luc. Naturf. 8. tab. 8. 
Klein, ed. lesn. p. 1 34, tab. ^(i.fg. 2, 3, 
hang. Lap. fg. tab. 36. the middle ligure. 
5' Spines obtule. Mull. Zool. Dan. -284?, 
6. Echini Siamenfes. Rumpf, Amb. p. 34, 
Iniubns the Ocean, generally of a livid-grey colour and fiat 
the bafe: fpa<es granulate; with 2 rpws of protuberant^ 
placed alternately, furntihed vith perforated papilla:, 
rounded with a circle or two of granulations, and leparated 
a groove funning round them ; in the place ot itlrer ont* ** 
gn eminent band between the avenues; mouth rather large. 
Mansillatuj HemKphxricz], oval, -whh 10 winding avenues ; the i 
muricate and warty, the narrower ones abbreviated- ; 
Ktein echinoa, ed. letk, tab. 6. 34, 39, | 
Rnmpf. /I'ld.p.^^z. tab. 1 3, n^. l, ' 
