TABANIDAE. 55 



very probably identical Avitb one of tlie species enumerated tberein; 

 but the description is too vague for identification; moreover the 

 identity of the species with the true C. st'inddtralis Fabricius 

 seems very doubtful. 



Silvins. 

 Meigen, System. Beschr. Ill, 27, 1820. C^). 



*gigaiitTilus Loew, Centur. X, 12 (CJiri/fiopf!) ; 0. Sacken, Western 

 Diptera, 215. — California; Washington Territory; Vancouver 

 Island; Colorado. 

 Silvius trifolium 0. Sacken, Prodrome etc. I, 395. C^). 



Observation. For Silvius isabellimis Wied. , see Pangonia. 



liCpidosclagra. 



Lepiselaga Macquart, Dipt Exot. I, 1, 153, 18-38; about its relation to 



Iladrus Perty, compare Loew, Dipt. Sudafrica's I, 31. 

 *Iepidota Wiedemann, Auss. Zw. I, 193 (Tahamis); Perty, Delectus etc. 

 183, Tab. XXXVI, f. 9 {Hadrm) ; Macquart, Dipt. Exot. I, 1, 154; 

 Tab. XVIII, f. 3; Bellardi, Saggio, etc, I, 75 (Hadrus) ; according 

 to Loew, Century VIII, 8, only the female, described by Bellardi, 

 V belongs here. — Guyana, Brazil i.Perty, Macquart) ; Mexico (Bellardi). 

 Haematopota crassiijes Fabricius, Syst. Antl, 108, 4 [Loew, Centur. 

 VIII, 8]. 

 * recta Loew, Centur. VIII, 8. — New Granada, Mexico. 



Hadrus lepidotus Bellardi, Saggio, etc. I, 75, male. [Loew, Centur. 

 VIU, 8.] 



Haematopota. 

 Meigen, in lUiger's Magaz. 1803, 



piinctulata Macquart, Dipt. Exot. I, 1, 163, 2. — Carolina. 

 *americaiia 0. Sacken, Prodrome etc. I, 395. — North West of the 

 United States and the British Possessions. 



Dichelacera. 



Macquart, Dipt. Exot. I, 1, 112, 1838. 



abiens Walker, List, etc. I, 191. — West Indies, 

 scaimlaris Macquart, Dipt. Exot. 2? Suppl. 15, 9; Bellardi, Saggio, etc. 

 I, 53; Tab. II, f. 12. — Mexico. 



Observation. Dichelaccra fnscicda Walker, Dipt. Saund. 68 

 is erroneously stated to be from North America. The typical 

 specimen in the Brit. Mus. is south american. 



Diachloriis. 



0. Sacken, Prodrome etc. If, 475, 1876; iJiabasis, Macquart, Hist. Nat. 

 Dipt. L 207, Dipt. Exot. I, 1, 150, Mas preoccupied by a genus of 



Coleoptera. 



*ferrus?atas Fabricius, Syst. Antl. Ill, 2 (Chryi^ops) ; Wiedemann, Dipt. 

 Exot. I, 94, 56 (Tabanus) ; Auss. Zw. I, 186, 113 (id.); O&ten 



