is2 WORMS. MOLLUSCA. 52. Echinué; 
Plot, Oxfirdfh. p 92. §53. fig 12. = 
Guait. tefl. 110, fig. C,C. “Bocce, obf. p. 256. fig. 20 
Seba Muf. 3. tab. 15. fig. 25, 26. 
Inhabits » Granulate; ochraceous, ovate, fubpentagonal 3 
the bafe with 5 excavated rays divided into fo many equal 
fpaces: mouth odtufely pentagonal : vent hardly the breadth of 
a line diftart from the margin: crozoz perforated with § fora- 
inina between the avenues, 
Subrotundus Orbicular, with radiate avenues. 
K/én Echin. éd. lesk. p. 200. tab. 47, Fg. 7- 
Scill, corp. mar. tab, 8, fig. 1—3. 
Andree Br d. d, Schw. tab. 6, fig. g. 
Valent. Muf, tab, 3, fg. 7.b. 
Found hi herto on!y in a foffile ftate. 
Reticulae Ovate, flattifh, with 5 oval avenues: the furface reticulate. 
Klein Ech. ed. lesk. p. 207. tab. 45; fig. 89... 
Barbut, tab. 11, fig. Yo. Gualt Tel. t. 110, f. D. 
Rumpf. Amb. tab 14, fig. C. 
Seba Muf 3. tab. 15, fig. 23, 24, 35, 30. 38. 
Inhabits American and /naian Ocean. 
£us* 
Orbicularis Circalar, with oval acute avenues: the bafe with ro im 
pretffed porous rays: vent mid-way between the mouth 
and margin; both circular ; 
Klein. Echin. ed lek. p. 208. tab. 45, fig. 6, 7. 
Gualt. def. tab, 110, fig B. Breyn. ech. tab. 7, fig. 1, 2, 
Boce. obf. p. 269. fig. 2, 3. : 
Lang. lap. fig. p. 122. tab. 35. the laft figure. 
Inhabits the Jndiun Sea. 
Eorrallatus Orbicular, with oval obtufe fhort aveaues. 
Klein ed. lesk. p. 209, tab. 40, fig. 4. 
Walch diluv. monum. 2. 5. 180. tad. E, ii. f. 8, 
Found hitherto only in a foffile ftate, ^ 
ttt With the margin toothed. 
Decádacty- Shell perforated with 4 oblong foramina; the margin witli 
lose 10 teeth. 1 
Klein echin. ed. lesk. p. 209. tab, 22, f. A, B. 
Gualt. Tefl. tab. 100, fig. H. j 
Seba Muf. 3, tab. 15, fig 17, 18. : 
Pec lg Salt gs with granulations ; above blueifh- 
reen varied with cinereods; the avenues and futures pale 
Bo coldlr; the bafe yellowith fefh.colour; with 10 imprefe 
fed flexuous grooves, bifid at the tip and greenifh-afh: ave - 
nues lanceolate-oval, entire, biporous, united by oblique ftriz: 
teeth of the margin alternately fhorter: mouth rounded: went 
ovate. Olto~ 
