138 WORMS. MOLLUSCA. 52. Echinus* 



Globulus, Hemifphserical, fubglobular, with 10 avenues, the fpaces 

 murigate at the fides and porous in the middle. 

 Inhabits the In aian Ocean. Muf. Lad Vlr. 706. 

 This is probably the iamc as Ech. granulatus. 



Scarcities Hemifphaerical, gibbous : avenues 1©, every where muri-. 

 cate and porous in the middle. 



Inhabits the Indian Ocean* 



U 



Gratilla* Hemifpha?ric?l, gibbous: avenues 10, triplicate; the fpaces 

 muricate in a deculfate form. 

 Inhabits the Indian Ocean, Muf Lud. Vlr. 707* 



Lixula* Hemifphserical, with 10 avenues in approximate pairs; 

 the fpaces tranfverfely muricate and punctured. 

 Inhabits the hdian Ocean, Muf. Lud. Vlr % 107, 



■Sjxatilis, Hemifphaerical, deprelTed ; pores of the avenues in a curved 

 line, the curves oblique at the bafe. 

 Ruptpf Amb.p.$i. tab* 14. /£ A. 1 



SebaMu/. 3 tab. 10, Ji%. II. Bat but, tab. ll t f,2* 

 KUin echin. ed. lesk. tab, 5, and 30, A, B. 

 Delic nat.fel. 1, tab. D, u\yfig\ 6. 



2. Seba Muf. 3, tab. i$,fg* 10, 

 Klein ecbinoa. ed. lesk. tab* 39, fig. 4. 



3. Klein ecbinod. ed. lesk. tab. 5, fig*c* 



4. Klein ecbinod. ed. lesk. tab. 5, fg. b. 

 Inhabits the Mediterranean, 2) Indian Seas* 

 ££*//fubelliptic, violet-grey or white: protuberances violet, red- 



difh or yellowifh, in 2 or 3 longitudinal rows; pores of the 

 avenues double, 5 pair in a row: mouth large : went furround- 

 ed with ovate acute fcutes: /pines rigid, reddifh-brown, with 

 violet tips. 



Fenefratus. Orbicular, with a flat feneftrate bafe: fpaces 10, with un- 

 equal fmalJ and large tubercles : mouth with 10 angles. 



Klein ecbinod. ed. lesk. tab 4, A, B. tab* 39, fig* 3, 



Wakb dilwv. 2, p. 177. tab. E, i. a, I. 



Inhabits « Shell white, with granulations over all the 



fpaces and avenues; in the larger fpaces are 6 rows of warts 

 refembling papillae : avenues broad, with 3 pair of pores and 

 2 towards the crown : /pines violet-black : vent pentangular, 



Subangula- Hemifphaerical, orbicular; with 10 fpaces, the leiTer ones 

 ***• elevated, and 10 rows of tubercles in each, 



Inhabits , Klein echinsd* lesk* tab. 3. C, D, 



Shell 



