192 KANSAS UNIVERSITY QUARTERLY. 



the second segment, and a slender lateral stripe distally, light yellow. 

 Hyaline spots of the basal and posterior cells smaller. 

 Three females and one male, Chapada, Brazil. 



Chrysops varians Wiedemann, Auss. Zw. Ins. i, 208. — Brazil. 



Male. Face light gray, the callosities shining yellowish brown. 

 Antennae elongate, nearly as long as the mesonotum, the first joint 

 incrassate; yellow, the third joint brown. Thorax black; mesonotum 

 with two slender median stripes and a broader lateral margin, opaque 

 gray. Abdomen black or deep brown; second segment with the an- 

 terior angles yellow and three gray spots on the hind margin; third 

 and following segments with a gray hind margin. Legs dark brown, 

 the metatarsi yellowish. AVings dark brown; a hyaline spot across 

 the outer part of the basal cells, another in the anal cell, a triangle 

 in the fifth posterior cell, and the whole apex of the wing, except a 

 border along the costa to the extreme tip, hyaline; anal angle sub- 

 hyaline. 



Female. Front with a very broad callosity; face mostly shining. 

 Mesonotum less darkly colored, the stripes broader, and the inner 

 pair nearly connected in front by a bluish gray pruinosity. Abdo- 

 men brown; angles of the second segment more broadly yellow, and 

 the median gray triangle behind much larger. All the basal cells of 

 the wings hyaline (the veins at the ends clouded only); fifth posterior 

 cell more largely hyaline. Length 8 mm. 



Three females and two males, Chapada, Brazil. 



Pelecorhynchus ornatus Schiner, Reise der Novara, Dipt. 78. — Auckland. 

 One specimen, Queensland, agreeing well with the description. 



Selasoma tibialis Fabricius, Syst. Antl. 103 (Tab an us); Wiedemann, Dipt. 



Exot. i, 89 (id.); Auss Zw. Ins. i. 1G3 (id.); Macquart, Dipt. Exot. \,'i.— 



South America (Wied.), Brazil (Macq.). 



A number of specimens from Chapada, Brazil. I quite agree with 



Schiner that the differences between this genus and Hadrus Perty 



are trivial. 



Hadrus lepidotus, Wiedemann, Auss. Zw. Ins. i, 193 {Tabanus); Perty, De- 

 lectus, etc. 183, pi. xxxvi, f. 9; Macquart, Dipt. Exot. i, 1, 154, pi, xvlii, f. 

 3 {Lepiselaga); Schiner, Reise der Novara, Dipt. 9G. — South America, West 

 Indies, Mexico. 

 Several specimens from Brazil. 

 Hadrus parvus, n. sp. 



Female. Face, cheeks, and the callosity upon which the antennae 

 are situated deep black, shining. Front considerably broader be- 

 low, where the width is equal to the length; for the most part shining 

 black (there is some grayish dust below the vertical callosity and on 



