WORMS. MOLLUSCA. 5a. Echinus. 
*43 
^•’nmeus. Heinifpha:rical depreffed ; the fpaces vo d 
the middle towards the upper parts, the leffer ones 
more elevated : avenues narrow and bounded each ltde 
by a row of tubercles. 
KUin. echinod.ed.Lesk. p, 148,^. *0, • 
Inhabits Olive green, the tubercles and ^ ^ 
nues whiter: larger>«j with IJ rows of tubercles at the 
broadeft part, kffer fpaces with 3, each tubercle furroui^ed 
with a circle of lellcr ones awmitt hardly 2 lines broad, with 
3 pair of pores intermixed with granulations s miuxA fmall ; 
•vent furrouded with pentangular fcalcs. 
Orbicular fubangular; middle fpaces rofy, rich green each 
fide; avenues whitilh-green; bafe whitilh. 
Klein, eehinod. ed. Letk.p. f p 
*! //zA. 10. /VV. Ctualtn tgu* t* I 07 *y*'*'* 
Inhabits'^Largcr fiacet with the appearance of 3-4 warts fe- 
rounded with granulations, kffer fpaces a little elevated w m 
3 rowrof wartf: with 3 pair of pores: meu,h roundifh 
and very faintly linuatc. 
Larffcr fpaces divided in the middle by a future, wi U 
^num«ous tranfverfe rows of tubercles mcreafing Ijt 
number towards the middle; leffer fpaces more elevated. 
KUin eehinod. ed. Leike. p. 1 50- » I • A, B, t, U. 
Inhatos^^hariy a^'^inch high and about 2 tn diametSf, 
brownilh grey inclining to red, the Pf 
bafewhinfti, and the protubewnces * 
larger ones with a rough dilk, the future 
cranulations each fide, iviih rows of tubercles conrillmg at hrll 
of one, then of 2, fo that in the middle tney amount to about 
to; Icffcr fpaces with 2 rows of tubercles with a lerrate line 
and minute granulations between them: ^ 
pair of pores running into oblique lines : mouth with brosd 
itnuolities. 
Suborbicular fubangular: middle of the fpaces naked and 
divided by a future ferrate each fide, the larger ones 
with 7 rows of tubercles, the leffer ones with 4, 
Klein eehinod. ed. Leske. p. 150. tab. 1 1. E, F. tha 
Inhabits. about I of an inch htgh and i j m diameter, the 
bafe pulvinate and with the margin of the larger fpaces grtenim- 
grey, middle of the larger fpaces and the leller ones duiJ green,' 
amenues with 3 pair of pores placed in a triangle •. wit s:r» 
cular with to fcalcs at the margin expanded Itkc a role. 
