BIBLIOGRAPHY. 313 



graphically, and of these the Society Islands claim 44, the New Hebrides and 

 Santa Cruz groups 17 species. The following sub-genera are established : — 

 Marqiiesana for the six Marquesas species {iy^pc ganyvtedes Pfr. ) ; Leptopariula for 

 argtiia Pse. and ttirgida Pse. ); Partula s.slr. for a large number of species of which 

 otaheiiana Brug. is the most familiar ; Samoana for six Samoan species (type 

 cattails Mousson) ; Thakombaua for llraia Mousson, the only Parttda with raised 

 spiral sculpture ; Melaneslca for a large number of uniformly coloured species with- 

 out bands (type iurnerl Pfr.) ; Palaopaitula for the Pelew species (type thetis 

 Semper); Carolinella for the Caroline shells (type guaiuensls Pfr.) ; &nA Alarlati- 

 el/a for the Marianne species (^y^t glbba Fer.). Dr. Pilsbry has had the advantage 

 of the Hartmann Collection, now in the Carnegie Museum at Pittsburgh, for 

 reference. In the course of a very interesting introduction, he points out that 

 Parttdas are only found on the high isles of the Southern and Western Pacific, 

 never on atolls, from which fact he infers that the present groups of islands are 

 remnants of a former continent. It is, therefore, probable that the ancestors of 

 this group lie buried in this submerged continent beneath the South Pacific Ocean. 

 Several Eocene and Oligocene forms have been referred to Parittla by their 

 describers, but I'ilsbry says that such references are purely fanciful, and that the 

 absence of characteristic apical sculpture (in well preserved examples) differentiates 

 such forms from the Parttdldce. Pa) tula antericatia Heilprin, from the Oligocene 

 of Florida, is in reality a Hyperaulax {Biilimulidie), and the European Eocene 

 forms are inseparable from Btiliminus or Ena. Only some five new species are 

 described, and the Monograph concludes with a list of species erroneously described 

 as Partula, and in reality referable to Diploviorpha, Sttophocheilus and other genera. 



Jaminia secale (Drap.) near Penrith, Cumberland. — In the course of re- 

 arranging the British land and freshwater shells at the Salford Borough Museum, 

 Buile Hill, Pendleton, I came across three examples of the above species, mounted 

 in a round glass-topped box, and labelled as coming from Penrith. The collec- 

 tions are very old, and were formerly displayed at Peel Park, where they were 

 for many years under the supervision of the then Curator, the late Major John 

 Plant. Doubtless the above specimens represent examples sent to Major Plant 

 for the Museum by one of the earlier conchologists — such as Thomas Gough or 

 Thomas Glover, both of whom collected extensively in this district. The dis- 

 covery of these specimens is, therefore, of some interest, as constituting a new 

 record for Cumberland, as well as increasing somewhat the northern range of this 

 species. Doubtless diligent search amongst the limestone rocks in close proximity 

 to the town of Penrith will bring to light other examples of the species — J. Wilfrid 

 Jackson. 



