1916] Ferris — Notes on Anojplvra and MaUophaga 105 



Description of the male: Length, 1.15 mm.; length of head, .16 

 mm.; length of abdomen, .9 mm.; width of head, ,15 mm.; width 

 of thorax, .16 mm.; width of abdomen, .41 mm. Similar to the 

 female except for its smaller size. End of the abdomen rounded. 

 Genitalia of a very different type from those of F. pinnata, the 

 basal plate rather short and slender, widening abruptly to the 

 posterior end and with the posterior margin deeply concave. 

 Parameres stout, nearly as long as the basal plate, diverging pos- 

 teriorly and partially enclosing the penis which is short and stout, 

 with short, widely diverging arms. 



Enderleinellus longiceps Kellogg & Ferris. 



From skins, in the Stanford University collection, of Sciurus 

 niger rufiventer (De Kalb Co., Ind.) and Sciurus arizonensis 

 huachucha (Huachucha Mts., Ariz.). 



The specimens from S. niger agree very well with the type, but 

 those from S. arizonensis are referred to this species provisionally, 

 further study and more material may, perhaps, show them to be 

 distinct. The host of the type is recorded only as "Western Gray 

 Squirrel" (Lincoln, Neb.) and may be either >S. niger rufiventer or 

 S. carolinensis carolinensis, both of which occur in that locality. 



Enderleinellus kelloggi sp. nov. 



Many specimens, both males and females, from Sciurus griseus 

 griseus, (Pleasant Valley, Mariposa Co., Calif.) and Sciurus 

 griseus nigripes, (Stanford University, Calif.), the type being from 

 the latter. 



This species is close to E. longiceps K. & F., the only really 

 tangible differences between the two being found in the genitalia 

 of the males. In E. longiceps the parts of the male armament are 

 very large and very heavily chitinized, while in the new species they 

 are weakly chitinized, smaller and altogether much less conspic- 

 uous. The females of the two species are, on the other hand, 

 practically indistinguishable from each other, although the head 

 of the new species is a trifle the shorter. 



Named in honor of Prof. Vernon L. Kellogg, by whom this work 

 has been made possible. 



Description of the female: Total length, .76 mm.; length of 



