March, 1906.] KELLOGG '. MALLOPHAGA FROM ARGENTINA. 45 



3. Cyrtophyllus perspicillatus Fabr. o (elytron). 



4. Cyrtophyllus perspicillatus Fabr. $ (head and pronotum). 



5. Lea floridensis Beutenm. £ (outline of disk of pronotum from above). 



6. Paracyrtophylhts robust 11s Caud. 3* (cercus, from side). 



7. Cyrtophyllus perspicillatus Fabr. g (cercus, from side). 



8. Cyrtophyllus intermedius Caud. J 1 (cercus, from side). 



9. Cyrtophyllus furcatus Caud. J 1 (cercus, from side). 



Class I, HEXAPODA. 



Order XIII, MALLOPHAGA. 



MALLOPHAGA FROM ARGENTINA. 



By Vernon L. Kellogg, 



Stanford University, Calif. 



(Plate II.) 



A small lot of Mallophaga taken from birds of Argentina (South 

 America) was sent me in 1902 by Dr. Carlos Berg, of Buenos Aires. 

 In recently going over this lot I find it to consist of the following nine 

 species, of which seven at least are new and are described and figured 

 herewith. 

 Eurymetopus taurus Nitzsch. 



Several specimens from Diomedea regia. 

 Goniodes sp.? 



Two specimens of a large and unusual species of Goniodes, without 

 any host reference. 

 Lipeurus bergi, new species (PI. ii, Fig. 1). 



Males, females and young from Guira guira (Argentina). 



Description of Female. — -Body, length 2.7 mm., width .55 mm.; slender; 

 strongly marked with light brown regular blotches and bands. 



Head, length .55 mm., width .4 mm.; elongate, conical, with rather narrow 

 clypeal front which is very weakly concave; {wo hairs in anterior angles and other 

 short ones on lateral margins near trabeculae ; trabecule colorless ; eyes prominent, 

 with black pigment and a prickle ; temporal margin convex, with two long hairs and 

 two spines ; occipital margin nearly straight, with two spines along posterior angles ; 

 signature transparent ; ground color pale brown ; antennae and occipital bands brown, 

 temporal margin dark brown, two brown spots along occipital margin between the 

 occipital bands. 



Prothorax almost square, with posterior margin very slightly angulated on the 

 metathorax ; one long hair on each posterior angle ; transparent in middle, with dark 



