642 STATE BOARD OF AGRICULTURE. 



T. stygius Say. Riverton, VII, 14 (Jn), Merckantville, VII, 19 (Greene), 

 Caldwell (Cr), New Brunswick, VII, 20 (Sm). 



Fig. 29S.-Taianus atratus, black horse fly : a, larva ; b, pupa ; c, adult. 



T. atratus Forst. Common, Newark, VI, 14, Anglesea, VII. 17 Clementon, 

 VII, 26, Del. Water Gap, VII, 13 (Jn), New Brunswick, VI, 5, (bm). 



T. americanus Forst. Glassboro, VII, 1, VIII, 1 (Greene), Lakewood (Lans- 

 ing), Atlantic City, VIII, Pt. Pleasant (Stone). 



T. giganteus De Geer. Caldwell (Cr), Palisades (Love). 



T mexicanus Linn. Da Costa, VII, (Bland). 



T. reinwardtii Wied. New Brunswick (Sm), Caldwell (Cr), Dunnfield, Del. 

 Water Gap, VII, 11. 



T. sodalis Will. Dunnfield, Del. Water Gap, VII, 11. 



ATYLOTUS O. S. 

 A. bicolor Wied. Clementon, V, 30, Buena Vista, VI, 11. Orange Mts., VII, 4. 



Family ASILIDiE. 



Head prominent, very hairy, with short, several jointed antenna, and a 

 short, stout proboscis formed for piercing. The body is robust, also hairy, the 

 abdomen long, slender, cylindrical, tapering very gradually to the tip. The 

 W ings are long and narrow, the legs moderately long and very powerful 

 densely clothed with spines, while the tips of the tarsi are supplied with 

 unusually long, stout claws. The insects are called '« robber-flies » from their 

 habit of pouncing upon, piercing and sucking the juices of other insects in 

 mid-air while holding them in the grasp of their powerful legs. Some of the 

 species are brightly colored, but most of them are of a sober gray with blackisU 





