iSi WORMS. MOLLUSCA. 52. Echinusi 
PlotsOxfrdjh. p. § 53. 12 
fpares : mouth o.'.tufLly pentagonal njint li rdiv the hreai'f^ '"’’ 
a line cliltart fwn the margin: crovjn perforated with 5 
mina between the avenues. 
Subntuiu/ui Orbicular, with radiate avenues. 
Kkm Echin. ed Usk. p 206. tab. 47, ftg. 7, 
SciU, corp, mar. tah.i, fig, i — j. 
Andre/e Hr a. d, Schw^ tab, 5, fig. g. 
alent. Muf, tab, 3, fig. 7. b. 
Found hi:hetto on'!/ in a foffilc Hate. 
Reticula. Ovate, flattifli, with 5 oval avenues : the furfaCe reticul^'^' 
ius' Klein Ech.ed, Usk. p. zb'], tab', fig. 8 ,' 9. 
Barbut, tab. 1 1, fig. to. Gualt. Ted. t. no, /. D. 
Rumffi. dmb. tab 14, fig. C, 
Seba MiJ 3. tab. 13, fig. 23, 24, 3;, 36; 38. 
Inhabits American and Inaian Ocean. 
^uait. ten. 1 10, ftg. (...C. tSocc. obf, p. 296. f;g. 2. 
Seba Muf. 3. tab it, fig. 23, 26. 
Inhabits , Granulate, ochriceou®, ov te, fubpentagO”*!' 
bafe with 3 excavated rays d vioed into i'o manv 
the 
Hrhicularit Circular, with oval acute avenues: the bafe with 10 
prelFed porous rays: vent mid-way between the 
and margin, both circular 
Klein Echin. ed le,k, p. 208. tab. 43, fig. 6, 7. 
Gualt. Tefl. tab, no, fig. B. Breyn, ech. tab, 7, fig, 1,2, 
Bocc. obf p.z 6 <). fig. 2,],, 
Lang, lap fig. p. 122. tab. 35. the laltfigure. 
Inhabits the Indian Sea, 
Qorrallatus Orbicular, with oval obtufe Ihort avenues. 
Klein ed. Usk. p. 20g, tab. Afi,fig. 4. 
Walch dilu’V, monum. 2. p, \ 80. tab, E, ii.fi. 8. 
Found hitherto only in a foffile ftate. 
ttt IR/fh the margin loathed. 
becadacty. Shell perforated With 4 oblong foramina ; the margin 
lot, 10 teeth. 
Klein echtn. ed. Usk. p. 209. tab, 22 , f. A, E, 
Gualt. Tefi. tab, xcso, ftg. H, 
' Seba Muf. 3, tab, X'i, fig' if, 18. .. 
Inhabits . Shell roUgh with granulations; above bluC'jj 
green varied with cinereous ; the avenues and futures 
flefh-colour; the bafe yell'owifh flelh colour, with loinip*’^^ 
fed flexuous grooves, bifid at the tip and grceniCi-afll : 
nues lanceolate-oval, entire, bipbrous, united by oblique 
teeth of the margin alternately fliorter ; nm/h roanded ; 
ovate. 
