244 A NATURALIST IN THE TRANSVAAL. 



caaary-yellow, and the underside of the fore wings deep purplish 

 fuscous, with the apical third of the costa and the cilia dull 

 ochreous. Exp. al. 18 millira. (/. H. D.) 



DIPTERA. 

 (By ERNEST E. AUSTEN, Zool. Dept. Brit. Mus.) 



Fam. TABANID.E. 



Pangonia subfascia, Wlk. 



Sttvius denticornis, Wied. 



Tabanus socius, Wlk. 



At y lotus, sp. (allied to Tabanus (Atylotus) diurnus, Wlk.). 



Fam. ASILID.E. 

 Microstylum dispar, Lw. 



Mlcrostylum, sp. (? nov. Closely allied to M. gulosum, Lw.) . 

 Lophonotus, sp. (? uov.). 

 Lophonotus, sp. (? nov. Allied to L. ustulatus, Lw.). 



Fam. MUSCID^E. 

 Calliphora marginalis, Wied. 

 Musca domestica, L. 



Fam. SARCOPHAGID.E. 

 Sarcophaga, sp. 



Fam. HIPPOBOSCID^:. 

 Hippobosca rufipes, Olfers. 



[This species not only attacks horses, but also frequently 

 attached itself to my neck. (W. L. D.)] 



RHYNCHOTA. 



HETEROPTERA. 



The open plains which surround Pretoria are not cal- 

 culated to prove a home for many species of this order, 

 though the tall blooming grasses and Asclcpiads (Gompho- 

 carpus) arc particularly attractive to Lygseids (the rare Lygceus 



