256 THOMAS SAY FOUNDATION 



len. First segment of hypopygium red; penis sim- 

 ilar to that of coinmunis but more gradually widened 

 toward the apex; also the lateral lobes in front are 

 generally more chitinized and tlie tip of the posterior 

 claspers are not so strongly hooked. Otherwise as in 

 communis except that it usually has a more robust 

 form. 



Female. Less distinct from communis, but 

 showing the yellow color to a considerable extent. 



Seventy-five specimens of both sexes. District 

 of Columbia, bred from cow dung, issued August 13, 

 1889 (collection of C. V. Riley No. 4285-7) ; Eufala, 

 Ala., Hough collection; Opelousas and Palmetto, 

 La., Hough collection; Hamburg, Miss. (Bishopp) 

 and a large nimiber from various parts of Texas 

 (Bishopp) ; Puerto Barrios and San Jose in Guate- 

 mala (Prof. Hine). 



I identified this variety for correspondents in a 

 few cases as Sarcophaga tiivialis Van der Wulp, but 

 on further study have become convinced that the lat- 

 ter species cannot be identified without an examina- 

 tion of the type specimen in London. 



Holotype.— Male, No. 20560, U. S. N. M., from 

 Hamburg, Miss. 



Allotype. Female, No. 20560, U. S. N. M., 



from Dallas, Tex. 



No. 122. Sarcophaga flavipalpis n, sp. 



Male. Front .204 of head (average of two. — 

 .201 and .207) ; parafrontals and parafacials yellow- 

 ish pollinose, the latter with irregular row of hairs, the 

 lower quite bristly; frontal stripes black; frontal 

 bristles about ten, the rows abruptly diverging below, 

 reaching to the middle of the second antennal joint, 

 the lowest arise from changeable spots in the pollen; 

 ocellars well developed, outer verticals absent; an- 

 tennae reddish brown; third joint blackish, 21^ times 

 the second, reaching four-fifths of the way to the 

 vibrisscE, which are at the oral margiti and quite far 

 apart; arista long and slender, plumose a little over 



