1915.] 83 



$ . Stylet, four times as long as it is broad at the base. 



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 (Evotomys gJareolus), 

 the stoat (Mvstela erminea), and other hosts, at Cheddington, Bucks, 

 and in several Scotch localities. 



This species may be identical with L. silvatica Meinert (1896). 



D. Family : Hystkichopsyllidae. 



Abdomen with lateral spines or combs. Fifth tarsal segment 

 with five lateral pairs of l)ristles. Two receptacula seminis in the 

 British species. 



XIII. Genus: TYPHLOCEEAS Wagn. (1903). 



Eye present. Genal comb subventral, consisting of four or five 

 spines of nearly equal length, a fifth (small) spine at the eye. 

 Labial palpi of five segments. Pronotum with two to three rows of 

 bristles. Three antepygidial bristles on each side, in male central 

 bristle much the longest, in female central and lower one nearly equal. 

 Bristles at hindedge of tibiae not forming a comb. 



A Palaearctic genus, containing two species, of which one occurs 

 in our fauna. 



37. Typhloceras poppei Wagn. (1903). 



(Figs. 70, 71, 72). 



Frons with four rows of bristles. Outer surface of hindtibia 

 very hairy. Thoracical and abdominal tergites also very hairy. 



(^ . Clasper truncate, very hairy ; finger narrow, almost straight, 

 slightly longer than the clasper ; ninth sternite with several strong 

 spines at the apex (fig. 71). 



? . Seventh sternite irregularly sinuate (fig. 72). 



A rare species in England and Scotland. Also found in 

 Ireland. The usual host is the long-tailed field mouse (Apodemus 

 sylvaticus) ; but it has been found on the house mouse {Mus musculus) 

 in the Shetland s. 



