136 Scientific Intelligence. 
may not be out of place here. Of the genus Clausilia, so abundant 
in the old world, and especially in the southeastern parts of Europe, 
oe continent. One species only is known in the West Indies, and this 
no aberrant form, quite different in aspect from those of Europe. 
But the place of this genus is well supplied in tropical America by 
Cylindrella, of which about 70 species are already known, more t 
them existing in Jamaica. On the other hand, the Philippine 
melania and Stoasloma, are, as far as known, confine ei th pall 
hemisphere, while with only one or two exceptions, Vitrina has been 
found only on the eastern. Achatinella and Pupina are mubiel to 
the islands of “4 — and Yornatellina as yet contains but one 
West India spec 
y folloviog perl ee based on data necessarily imperfect i in 
the present state of our knowledge, may have some interest in showing 
the proportion which the known terrestrial species of Jamaica, bear to 
those of the West Indies,—and also the proportion which the latter bear 
to the known terrestrial species of the glo 
Total No, No, of known No. of known Proportion of oportion 
ofknown West India ss W.I. species Jamaica spec’s 
i to the whole. 
species, species, cies, to the whole. 
Fam. Cyctostomipz. 
Truncatella, 15 4 3 27 percent. 20 per cent. 
P 10 0 0 le —— 
Cyclostoma, 300 82 63 Dy Pio 
toastoma, ll ll li 100 * 20057" 
Helicina, 160 54 24 YY ee Ly so 
496 151 101 376 ° 20 
Fam. Heticripx. 
Daudebardia, 3 0 0 Ree. Pe. 
itrina, 60 0 0 0 “ | pal sake 
_  Succinea, 7 14 4 wes or 
Helix, 1,250 151 61 1g. 54" at 
Anosto 0 ft) 0 “ 0 
Tomig ; 0 0 0 “ 0 “ 
Streptaxis, 26 0 0 y . ¢ ioe 
Pruserpina, 6 4 2 o_o oo 
Bulimus, 700 39 16 bf 8“ Rice 
Achatinella, 30 0 Vien fs ait wF 
Achatina, 192 51 28 96.2: 4% LB i 
ibbus, 2 0 0 oe Ga 
Gesmelania, 4 4 4 100 2 bg gE: 
Cylindrella, 69 57 35 liad atuspete 
Bale 9 0 0 Q al% Oi 
a came 11 1 0 O.5.-% D x08 
Clau 225 1 0 rai Eee - 
Pu “yg 75 28 9 1t fgg Bs 
2,842 345 159 1S tne: * Se i* 
The a of Auriculide has not been worked out with seis Ae : 
the whole amber of ! 
curacy to institute . * similar comparison, but 
wi Be age, contained in it does not probably exceed 100. 
