SARCOPHAGA AND ALLIES 123 



Length 7-81/2 mm. A pair of dwarfed speci- 

 mens from Montana (R. R. Parker) measure only 

 4^ mm. 



Seven males and six females: besides the pair of 

 dwarfs just mentioned from Montana, there are 

 three males and one female from New Bedford, 

 Mass. (Hough Coll.) ; one male, East Eddington, 

 Me. (Hgh) ; one male Polk Co., Wis. (C. F. Baker) ; 

 one male Friday Harbor, Wash, (author's collec- 

 tion) ; four females Melrose Highlands, Mass. (H. 

 E. Smith). 



Parker's material was from Maine, Mass., Conn., 

 N. Y., and Pa. 



Holotype. — Male, in Massachusetts Agricul- 

 tural College. 



No. 50. Sarcophaga parallela n. sp. 



Male. Front .154 of head (average of five, — 

 .130, .151, .155, .166, .169) ; parafrontals and para- 

 facials silvery, the latter with a row of strong hairs 

 below; antenna? black, third joint hardly twice the 

 second, reaching barely three-fourths of the way to 

 the vibrissa?, which are at oral margin; arista long- 

 plumose for two-thirds its length ; bucca one-third the 

 eyeheight; palpi and proboscis black, ordinary; back 

 of head convex with four or five rows of black hairs 

 and some yellow close to the neck and below it ; outer 

 vertical not differentiated. 



Thorax with the usual 3-5 stripes of black ; ps dc 

 3 large ; ant dc 2 ; stpl 3 ; scutellum with two marginal, 

 1 subapical, 1 rather strong apical, suberect. 



Abdomen strongly tessellated, with permanent 

 median black stripe on second and third segments; 

 fourth segment with decided red hind margin; first 

 and second segments with only lateral bristles, third 

 with a median marginal pair and four or five laterals; 

 fourth with a marginal row of about 16. 



Hypo])ygium red ; first segment with row of 

 small ])ristles near hind border; second globose, shin- 

 ing, with erect black hair. Forceps very character- 



