180 CATALOGUE OF THE MOLLUSCA 
which we think probable. The range of Cytherea Chione in 
Britain does not extend much beyond the Cornish coast. 
92. PULLASTRA, Sowerby. 
1. P. aurga, Gmel. 
Venus aurea, Mont. Test. Brit. 129. 
From the fishing boats, Cullercoats, rare—J. H. F. Whit- 
burn.— Rev. G. C. Abbes. 
2. P. virainEa, Linn. 
Venus virginea, Mont. Test. Brit. 128. 
On most parts of the coast, but not common. 
3. P. pEcussata, Linn. 
Venus decussata, Mont. Test. Brit. 124. 
In shallowish water, not common. Low Lights. South 
Shields sands—A. H. Alnmouth Bay, rare—AMr. Hmbleton. 
Holy Island, and Hartlepool. 
4, P. vuLGARIS, Sow. 
Venus pullastra, Mont. Test. Brit. 125. 
On sandy shores mixed with stones, not uncommon. 
5. P. perrorans, Mont. 
Venus perforans, Mont. Test. Brit. 127. 
In the shale rocks of our coast, common. 
This species does not appear to excavate its own habitation, 
but merely to occupy the holes bored by the Pholades. It is also 
often found in crevices of the rocks. 
Famity. Cyprinip#, Porbes. 
93. CYPRINA, Lamarck. 
1. C. Isnanpica, Linn. 
Venus Islandica, Mont. Test. Brit. 114. 
In deep water, common. 
94. ASTARTE, Sowerby. 
1. A. Danmontra, JZont. 
Venus Danmonia, Mont. Test. Brit. Supp. 45, t. 29, f. 4. 
In deep water, not uncommon. Mr. R. Howse dredged it in 
