16 
HERTFORDSHIRE MOLLTTSCA. 
Vertigo Moulinsiana ( Dupuy ). 
It will be sufficient in this case to refer the Hertfordshire con- 
chologists to Mr. Groves’ paper in their ‘Transactions’ (1880) 
for a copious account of this shell and its occurrence in the county. 
V. ANTIVERTIGO (Drdp.). 
Mentioned by Mr. Groves as occurring with V . Moulinsiana . 
Clatjsilia rugosa ( Drap .). 
Mr. Hopkinson tells us that the shell which Mr. Lavis recorded 
thus: “ Claus ilia , sp. Berry Wood chalk-pit,” was C . rugosa . 
CoCHLICOPA LUBRICA (. Mull .). 
Mr. Hopkinson also says that C . lubrica is referred to when Mr. 
Lavis records : “ Cochlicopa (Jeffreys), sp. Hear Otterspool, Berry 
Wood.” 
Achatina acictjla (Mull.). 
Hr. Jeffreys has the following: “Mr. Pickering informed me 
that a considerable number of live specimens were once procured 
by a gentleman in Hertfordshire, while digging up potatoes. His 
friend, not being a conchologist, thought at first that they were 
little white maggots.” It is added that this species is supposed 
only to be found on calcareous soils, but that the present and 
another (a Horfolk) record are evidence to the contrary.*' 
Cyclostoma elegans (Mull.). 
Prom Mr. H. George Pordham’s note in the ‘Transactions of 
the Watford Hat. Hist. Soc.,’ 1877, on the supposed recent extinc¬ 
tion of this species in Horth Herts, it would appear only to occur 
in this district in a sub-fossil condition. Mr. Ashford, however, 
writes to us : “ When I was at Hitchin, Cyclostoma elegans abounded 
in the green lanes near Hitchin.” Mr. Pordham refers more 
especially to the neighbourhood of Ashwell. 
The list for Hertfordshire appears thus to include the names of 
34 species and 7 varieties which have at one time or other been 
recorded as occurring within the limits of the county, including 
those which are recorded for the “ Lea ” and the “ Hew Biver ” 
without specifying the precise county. We do not vouch for the 
absolute completeness of the present paper, and will content our¬ 
selves by stating that it is the result of a careful search of such 
works as we have access to, and that for some of the citations 
we are indebted to our friends Mr. Charles Ashford and Mr. John 
Hopkinson. 
* The greater part of both Hertfordshire and Norfolk being on the Cretaceous 
formation, I have called Dr. Jeffreys’ attention to this remark and he says that 
he ought to have applied it to Guernsey and other localities where there is no 
calcareous soil.— Ed. 
