146 Mr. C. H. T. Townsend on Diptera 



are not so long as in Brownsville specimens, and are often 

 reddish or yellowish at base. 



17. Jurinia hystrixj Fabr. 



Seventeen specimens, all females. Rio Tularosa, below 

 Blazer's Mill, about 6000 feet, one taken Oct. V6 and the 

 others Oct. 20. On flowers of Bigelovia graveolens, var. 

 glabrata. 



Length 12-15 mi 11 Ira. 



These come nearest to Williston's form c (Trans. Am. Ent. 

 Soc. xiii. p. 299). Front tarsal joints are not dilated, palpi 

 yellow, third antennal joint about same length as second. 

 About six or eight strong spines in row in middle of hind 

 border of second abdominal segment, and two at each side on 

 hind border, but no continuous row on hind border of second 

 segment. A continuous row of strong spines on hind border 

 of third segment. All with two orbital bristles. 



This species may be known by the yellow pile of occiput, 

 the black or brown bases of wings, and the faintly but per- 

 ceptibly clouded anterior cross- vein. The anterior portion of 

 thoracic dorsum is yellowish dusted, the abdomen is chestnut, 

 head and body stout, front wide, posterior half of abdomen 

 strongly spinose. 



18. Jurinia lateralis, Macq. 



One female, Eio Euidoso, 4 miles west of Bowling's Mill, 

 6600 feet. On flowers of BJnis glabra, L., July 10 ( Wooton). 



Onenialc,I\ioTularosa, below Blazer'sMill, about6000 feet. 

 On flowers of Bigelovia graveolens^ var. glabrata^ Oct. 20. 



19. Echinomyia iteratis, Walk. 



folk 

 belc 



Bigelovia gi-aveolens, vav. glabrata ; one female, same locality 

 and flowers, Oct. IH; ei^ht females, Ilio Jionito, Austen's 

 Kanch, about 6400 feet, Oct. 17, on flowers of Aster larvis, L.; 

 twenty females and two males, liio Kuidoso, above Dowling's 

 Mill, about 65U0 leet, Oct. 15, on flowers of JSenecio Douglasii, 

 DC. ; and one female, same locality and flowers, Oct. 16. 



Front tarsi of female are not widened in this species. 

 Palpi are filiform, as in E. 7'komsoni. Sides of face witii 

 two strong bristles near orbits. Antennae black. Proboscis 

 somewhat elongate and slender. Sometimes abnormal speci- 



