92 B03IBYLIDAE. 



*albicai>illus Loew, Centur. X, 42; 0. Sacken, Western Dipt, 249.. 

 Marin and Sonoma Co., Cal. 



* aurifer 0. Sacken, Western Dipt., 249. - - Sierra Nevada, Cal. 

 *cachinnans 0. Sacken, Western Dipt, 250. -- Sonoma Co., Cal. 

 *lancifer 0. Sacken, Western Dipt 251., San Francisco; Yosemite 



Valley. 

 *inetoi)ium 0. Sacken, Western Dipt, 249. - - Marin Co., Cal. 



* major Linne, Fabricius, Meigen, etc.; 0. Sacken, Western Dipt, 24S. - 



Europe and California. 



Tricolor Loew, Wien. Ent Monatschr., V, 34. Cuba. 

 *haemorrhoicus Loew, Centur. IV, 46. Cuba. 

 helvus Wiedemann, Dipt. Exot. I, 164, 6 b; Auss. Zw. I, 336, 8. 



Mexico. 

 plumipes Drury, Illustr. etc. II; Tab. XXXIX, f. 3; Wiedemann, Auss. 



Zw. I, 351, 50. - - Jamaica. 

 *rayus Loew, Centur. IV, 50. - - Matamoras. 



* semirnfus Loew, Centur. X, 41. - - San Domingo. 



Comastes. 



0. Sacken, Western Dipt, 256; 1877. ( 1GO ). 



*rolnistns 0. Sacken, Western Dipt., 257. - Waco, Texas. 

 rufus Olivier, Encycl Meth. I, 327, 8 (Bomlylius). - - West Indies. 

 JBombylius basilaris Wiedemann, Zool. Magaz. Ill, 46, 7 b; 

 Dipt. Exot. I, 164, 7; Auss. Zw. I, 335 [Loew, Neue Beitr. 

 etc., Ill, 29, 51]. 



Systoechus. 



Loew, Neue Beitr. etc, III, 34; 1855 (ex parte); 0. Sacken, Western 



Dipt , 250253. 



*candidnlus Loew, Centur. IV, 51; 0. Sacken, Western Dipt., 253. 



Wisconsin (Lw.); Illinois, Kansas. 

 *solitus Walker, List, etc. II, 288 (Bombylms) ; 0. Sackeu, Western 



Dipt, 253. - - Georgia, Florida. 

 *Tulgaris Loew, Centur. IV, 52; 0. Sacken, Western Dipt, 253. 



Nebraska (Lw.); Iowa; Colorado; Illinois. 



*oreas 0. Sacken, Western Dipt., 254. Sierra Nevada, Cal. 



Aiiastocclms. 



0. Sacken, Western Dipt, 251; 1877. 



*barl)atns 0. Sacken, Western Dipt, 252. -- Cheyenne, Wyoming; the 

 same, or a similar species, all over the United States. 



Iantarfoes. 



0. Sacken, Western Dipt, 254; 1877. 

 *capito 0. Sacken, Western Dipt, 256. --Sonoma Co., Cal. 



