SAKCOPHAGA AND ALLIES 133 



ably bent backward, straight, with a sudden bend 

 forward to a sharp apex; viewed from behind they 

 diverge strongly from the base. Accessory plate 

 quite long and slender, almost iinger-like, with a few 

 hairs at the tip. Posterior claspers rather straight 

 and slender; anterior claspers short. Penis witli a 

 well developed basal segment. Distal segment bend- 

 ing forward at an angle from this; long and slender, 

 shining black; smooth for two-thirds of its length. 

 Near the apex a pair of recurved hooks on the back; 

 a whitish soft spot beyond these on the side. The or- 

 gans at the extreme apex are too closely united for 

 description. Fifth sternite rather U-shaped in basal 

 part suddenly diverging apically at an angle with a 

 tuft of black hairs ; underneath a small brown callus. 



Female. Front .31 of head, with the usual two 

 orbital bristles. Parafacials with hairs not very reg- 

 ularly arranged in a row. The yellow color of the 

 face of the male only shows faintly in the female. 

 Genital segment red. The sternite not elongated and 

 protruding but merely rounded. 



Twelve males and one female. One male, one 

 female, La Fayette, Ind., Sept. 15, 1914, one one pin, 

 taken in copula by the writer; one male. La Fayette, 

 Ind., Oct. 6, 1914 (author's collection) ; seven males, 

 Opelousas, La., March and May, 1897 (Hough col- 

 lection) ; two males, Lockbourne, Ohio, July 6, 1900, 

 and Columbus, Ohio, May 11 (Prof. Hine; one male, 

 Rawlins Co., Kan. (F. X. Wilhams), in Univ. Kan. 

 collection. 



Holotvpe and Allotype. — Male and female. No. 

 20517, U. S. N. M., from La Fayette, Ind. 



No. 56. Sarcophaga prohibita n. sp. 



Male. Characters the same as excisa except as 

 follows: Front .188 of head (average of two, — .183 

 and 194). Palpi rather slender, yellowish brown, 

 apices blackened. Third costal segment fully as long 



