130 
Turbonilla—(continued), 
obliqua, 
plicata, 
producta, - 
umbilicaris, 
TURRITELLA, - 
communs,  - 
Sulvocineta, 
indistincta, 
mmor, - 
niwved, - 
truncata, - 
terebra, - 
Turtonia minuta, 
UTRICULUS, - 
discors, - 
hyalinus, 
mammillatus, 
obtusus, - 
pellucidus, - 
plicatus, 
truncatulus, 
Venerupis pullastra, 
VENUS, - - 
borealis, - 
casina, - 
compressa, —- 
crassa, - 
Danmoma, - 
decussata, - 
erycint, - 
exoleta, - 
imquinata, —- 
Tslandicus, — - 
fasciata, - 
gallina, - 
gibba, - 
lactea, - 
INDEX. 
PAGE 
18. 
27. 
24 
29 
27 
25 
30 
23 
26 
28 
28 
laminosa, 
lincta, 
lupinus, 
minima, 
minuta, 
Montagu, 
ovata, 
papha, 
pectinata, 
perforans, 
pullastra, 
pumila, 
rhomboides, 
Scotica, 
sinwosa, 
sinuata, 
spinifera, 
spuria, 
striatula, 
triangularis, 
undata, 
verrucosa, 
virgmnea, 
VELUTINA, - 
fleailis, 
leevigata, 
plicatilis, 
striata, 
V oluta bidentata, 
pellucida, 
tornatilis, 
truncata, 
XYLOPHAGA, 
dorsalis, 
VENuUs—( continued ), 
Volvaria cylindrica, 
subcylindrica, 
27 | Zirphea crispata, 
GLASGOW : AIRD AND COGHILL, PRINTERS. 
PAGE 
26 
28 
110 
100 
