CATALOGUE OF NORTH AMERICAN DIPTERA. II9 



Staeger, Groenl. Antlialer, oc. in Greenland. 



LuNDBECK, Dipt. Groenl., i, 293, oc. in Greenland. 

 pilosellus LoEW, Cent., vi, 7. — D. C. 



N. J.— Smith Cat. 

 pinguis LoEW, Cent., i, i. — N. Y. 



posticalis Lundbeck, Dipt. Groenl, i, 295. — Greenland, 

 pulchripennis Lundbeck, Dipt. Groenl., i, 293. — Greenland, 

 pusillus LoEW, Cent., vii, 5. — D. C. 



scapularis Loew, Cent., vii, i. — D. C. N. J. — Smith Cat.; Tick Id., Fla. — Johnson, 

 stellatus CoQUiLLETT, Proc. U. S. N. \l., xxv, 89. — Texas. 

 thoracicus Loew, Cent., vii, 3. — D. C. 



N. J. — Smith Cat. ; Tick Id., Fla. — Johnson. 

 tibialis Say, Jour. Acad. Sci. Phil., 1823, iii, 15; Compl. Works, 11, 43. — Pa. 



Wiedemann, Auss. Zw., i, 20. 

 tibialis Staeger, Groenl. Antl., 1845, 354. — Greenland. 



Lundbeck, Dipt. Groenl., i, 294. — Greenland. 

 tricolor Loew, Cent., i, 3. — N. Y. 

 turpis Zetterstedt, see riparius; Mrs. Slosson's White Mts. list contains this 



name, 

 venustus Coouillett, Proc. U. S. N. '\l., xxv, 91. — Las Vegas Hot Springs, N. M. 



EUTANYPUS. 



CoQUiLLETT, Dipt, of Commander Ids., 341, 1899. 

 borealis Coquillett, loc. cit— Bering Id. ; Proc. Wash. Acad. Sci., 11, 396, oc. in 

 Alaska, N. M., and N. H. 



CHASMATONOTUS. 



Loew, Cent., v, i, 1864. 

 bimaculatus Osten Sacken, West. Dipt., 191. — N. Y. Canada. 

 unimaculatus Loew, Cent., v, i. — White Mts., N. H. 

 univittatus Coquillett, Proc. Wash. Acad. Sci., 11, 395. — Sitka, Alaska. 



OECACTA. 



PoEY, jNIemorias, etc., i, 1851. 

 furens Poey, loc. cit., 236, pi. xxvn. — Cuba. 



TowNSEND, Jour. Inst. Jamaica, i, 381, oc. in Jamaica; Amials and Mag. 

 Nat. Hist., XIX, 17, oc. in ]\Iexico, on the gulf coast. 



ERETMOPTERA. 



Kellogg, Biol. Bull., i, 82, 1900. 

 browni Kellogg, loc. cit., figs. — Monterey, Cal. 



Note. — -The family name Eretmopteridce was proposed for this species 

 by Professor Kellogg, but he has since informed me that the larval stages 

 are essentially the same as in Chironomidje, a family which already includes 

 at least one genus with rudimentary wings ; and I have his sanction in 

 placing the species here. 



CULICID.E. 



The discovery that mosquitoes convey malaria, yellow fever, filariasis, and 

 possibly still other diseases, from one human being to another, deserves to rank 

 with the greatest achievements of science. The immediate result, very naturally, 

 has been an immense increase of interest in this family of Diptera, so that new 



