Vol. xxi] ENTOMOLOGICAL NEWS 459 



Mallophaga from Birds and Mammals. 



By V. L. KELLOGG and J. H. PAINE, Stanford University, 



California. 



The following determinations, with description of one 

 highly interesting new species, of Mallophaga are based on 

 a small collection of these parasitic insects taken from various 

 birds and one mammal, by Mr. Allen H. Jennings in the 

 Panama Canal Zone. The specimens were sent us by Dr. S. 

 T. Darling, Chief of Laboratory in Ancon Hospital, Ancn, 

 Canal Zone, Isthmus of Panama. 



Lipeurus baculus Nitzsch. 

 Specimen from the domestic pigeon (Canal Zone, Panama). 



Lipeurus assessor Giebel. 



Specimens from the turkey buzzard, Cathartcs aura, (Canal 

 Zone, Panama). Kellogg has recently recorded (Science, 

 N. S. V. 31, pp. 783-784, 1910) this well-marked Lipeurus 

 from the Calif ornian condor, Gyinnogyps calif ornianus, and 

 Carriker has taken it from the king vulture Gypagus papa 

 in Costa Rica, while Giebel described it originally from the 

 South American condor, Sarcorhamphns gryphus. It is thus 

 a characteristic parasite of the greater American vultures. 

 Osborn found a Lipeurus on turkey buzzards, Cathartcs aura, 

 at Ames, Iowa, but described it as a new species, marginalis 

 (Ohio Naturalist, v. 2, p. 176, 1902). Specimens from the 

 Canal Zone buzzards cannot, however, possibly be assigned 

 to Osborn's species despite their agreement with it, and dis- 

 agreement with typical assessor, in the matter of size. The 

 characteristic strong medium and transverse abdominal mark- 

 ings of assessor (absent in marginalis) are plainly in evidence. 

 If Osborn were a less careful systematist or less acquainted 

 with the Mallophaga, we might suspect the two female speci- 

 mens on which he established marginalis of being immature 

 assessors. But as a matter of fact Osborn is both careful and 

 well acquainted with the Mallophaga while, in addition, his 

 description of the markings, confined to the lateral margins, 

 indicates maturity of the specimens. 



