68 
be found all the year round, since he had received specimens as early 
as March. 
Like the Sheep Bot-fly (CEstrus ovis, Linn. J the Sheep Tick 
Las been carried about the world with its host. Recently the Museum 
has received a series of specimens of this species (with pupa-cases) from 
Pecos Canon, New Mexico, taken and presented by Dr. M. Grabham, 
in June, 1903. 
