18 THE CANADIAN ENTOMOLOGIST. 



abdomen cupreous pidiconiis, Bigot. 



xanthopus^ Wiedemann, 

 abdomen piceous decorns, Say. 



25. Hind legs varied with brown sfamineus, Fabricius. 



Tip of hind tarsi only brown tricolor, Loew. 



26. Thorax and abdomen violet green, concolorous 27. 



Thorax violet or green, abdomen not concolorous 28. 



Thorax red above, scutellum dark; abdomen yellow at base; fore legs 



pale conciiinus, Osten Sacken. 



27. Legs entirely black; antenntu black (;/(.^';77''<zr/5'/.f, Bigot) . viridi's, Say. 

 Legs in part yellow ; antennae yellow nigrifemoratus, Macquart. 



28. Wings with a brown cloud at middle {?iubecul05us, 



Zetterstedt) ' cuprarms, Linnaeus. 



Wings uniformly yellowish ; front legs pale 29. 



29. Abdomen uniformly metallic 30. 



Abdomen with a white vitta Sa/Iei, Bellardi. 



30. Abdomen cupreous violet speciosus, Macquart. 



Abdomen aeneous latus, Bellardi. 



Of these species the following are not listed in Osten Sacken's Cata- 

 logue : 



splendens, Bigot, Ann. Soc. Ent. France (5), ix., p. 224. 1879. Mex. 



nigribarbis, Bigot, ibid., p. 224. Cal. [ = viridts, Say.) 



clavis, Williston, C.\n. Ent., xvii., p. 123. 1885. Va., N. C. 



pwictifer. Bigot, Ann. Soc. Ent. France (6), vii., p. 27. 1887. ^ol. 



picticornis, Bigot, ibid., p. 27. Wash. 



pah'ipes, Bigot, ibid., p. 28, Oregon. 



sapphireus, Bigot, ibid., p. 28, Cuba. 



cotici/mus, Osten Sacken, Biologia Centr.-Amer. Dipt. 



sp. innominata, Osten Sacken, ibid., p. 23. Mex. 



Williston, ibid., Suppl., p. 231. 

 filiforniis, Gilio Tos. Bull. Mus. Zool. Torin. 1891, No. 102. Mex. 



( -ccesius, Bell.) 

 sp. innommata, Townsend, Ann. N. Hist., xix., p. 18. 1897. Mex. 

 ccesius, Bellardi, Williston, Biol. Centr.-Amer. Dipt. Suppl., p. 232. 

 caruleifrons, Johnson, Ent. News, Phila., xi., p. 325. New Jersey. 

 cuprarius, Linn, etc. A common European species. 

 coardatus, Macq., etc. A Brazilian species, taken also in Mexico. 

 Texamis, sp., nov. Described herewith. 



Notes on the distribution of the specimens of Sargiis studied. 

 J. /ucens, Loew. Several specimens from Hayti. 



