154 INSECTS AFFECTING DOMESTIC ANIMALS. 
’ 
THE POCKET GOPHER FLEA. 
(Typhlopsylla americana Baker; also Pulex ignota Baker.) 
This species, described by Baker (Canadian Entomologist, Vol. 
XXVIII, p. 186), I have taken repeatedly from our common pocket 
Fia. 86.—Typhlopsylla americana: male; a, antenna—enlarged (original). 
gopher (Geomys bursarius) during the past ten years, and it must be a 
common resident of their burrows. Mr. Baker records it from a“ large 
Fia. 87.—Typhlopsylla americana: female—enlarged (original). 
brown mole,” and states that he has seen specimens collected by Pro- 
fessor Gillette on the pocket gopher at Fort Collins, Colo., and by 
Professor Aldrich at Moscow, Idaho, on Thomomys talpotdes. 
