OF NORTHUMBERLAND AND DURHAM 197 



" Common in England and Scotland. Unrecorded from 

 Ireland. Occurs on the common shrew." 



Palaeopsylla minor Dale (1878). 

 ■= gracilis ( parti m). 

 In moles' nests, Bradbury, near Hartlepool, and on the 

 Irthing. 



" Very common in England and Scotland, on the mole. 

 Not recorded from Ireland." 



Genus LEPTOPSYLLA Jord. and Roths. 



Leptopsylla musculi Dugds (1832). 



Once from a house mouse with C. agyrtes, Fatfield 

 (W. Hall) ; Newcastle-on-Tyne (E. L. Gill) and Gibside. 



" Common in the British Islands on the house mouse 

 i^Mvs musculus)." 



Leptopsylla spectabilis Roths. (1898). 

 2 ?? on a field vole, Fatfield (W. Hall). 

 "A fairly common species in Scotland, rare in England, 

 and unrecorded from Ireland, perhaps confined to the British 

 Islands. Specimens have been taken from the bank vole, the 

 stoat and other hosts, at Cheddington, Bucks, and in several 

 Scotch localities." 



Family HYSTRICHOPSYLLIDyE. 



Genus HYSTRICHOPSYLLA Taschenb. 



Hystrichopsylla talpae Curtis (1826). 



The giant mole flea. In nest of long-tailed field mouse, 

 etc., Gibside, Winlaton and Spen Banks. Common in 

 moles' nests, Bradbury, near Hartlepool, in Teesdale, Wear- 

 dale, Team Valley and on the Irthing. In nests of brown 

 rat, Gibside. 



"Commonly found in the nests of the mole {Talpa 

 europcea), and on the bank vole {Evoto?iiys glareolus). It also 

 occurs on shrews and other small mammals." 



Family ISCHNOPSYLLID^. 



All the species of this family are attached to various bats. 



