MOSQUITOES AND FLEAS. 31 



Europe), Hijcena striata (striped hyena), Lepits timidus common hare), 

 and Procyon lotor (raccoon). It is also said to occasionally sip human 

 blood [sic!]. I have specimens from various parts of North America, 

 and also from Europe." Many unfortunate inhabitants of New York, 

 Philadelphia, Washington, and Baltimore during the past few summers 

 will be able to verify Mr. Baker's statement that the species occa- 

 sionally sips human blood! This species maybe distinguished at a 

 glance from the so-called human Ilea (Pulcx irritam) by the fact that 

 the latter species does not possess the strong recurved spines on the 

 margin of the head, which show so distinctlv in fig. 5. 



