246 Ins. 
DIPTERA. 
Xanthogramma divisa\_-suni\ , Williston, P. Am. Phil. Soc. xx. p. 311, 
Washington Territory. 
Chrysogaster stigmatus\-ta'\, California, and bellulus[-la ], Washington 
Territory, California, id. I. c. pp. 303 & 304. 
Syrphus velutinus, Oregon, and disjunct us, Washington Territory, id. 1. c. 
p. 314. 
Mesograpta linearis , fig. 5, Mexico, p. 5, multipunctata , fig. 7, and varia- 
bilis , fig. 9, Guadeloupe, p. 6, Yan der Wulp, Tijdschr. Ent. xxvi. pi. i. 
(abdomens figured). 
Chilosia occidental is, California, p. 305, lasiophthalmus , Colorado, ru- 
jipes, Washington Territory, California, p. 306, nigripennis and parva, 
Oregon, p. 307, Williston, l. c. 
Myiolepta bella, id. 1. c. p. 308, Washington Territory, Oregon. 
Brachyopa media , id. ibid., California. 
Ascia metallica, id. 1. c. p. 315, Oregon. 
Volucella facialis , id. 1. c. p. 316, California ; V. fulvicornis, Panama, 
tau, Mexico, p. 84, and sa [p] phirina, Chili, p. 85, Bigot, Ann. Soc. Ent. 
Fr. (6) iii. 
Phalacromyia vicina , melanor\f\hina, Mexico, p. 86, argentina, p. 87, 
and soror , Buenos Aires, p. 88, id. 1. c. 
Eristalis montanus, Wyoming Territory, occidentalis, Washington Terri- 
tory, p. 322, and brousi, Massachusetts, p. 323, Williston, l. c. 
Helophilus henrici, Schnabl, Wiadomosci z nauk przyrodzonych. i., 
Warsaw (c/.Wien. ent. Z. ii. p. 46). 
Mallota saclceni (= posticata, Ost.-Sack., nec Fabr.), Williston, l. c. 
p. 324, Washington Territory. 
Stenogaster comstoclci, id. 1. c. p. 326, New York. 
Spilomyia interrupta , id. 1. c. p. 327, Washington Territory. 
Sphecomyia pattoni, id. Z. c. p. 328, Washington Territory. 
Crioprora femorata, id. Z. c. p. 329, Washington Territory. 
Criorrhina humeralis, Washington Territory, and scitula, Washington 
Territory, Oregon, id. 1. c. pp. 330 & 331. 
CONOPIDAC. 
Conops piciventris, pi. i. fig. 11 (wing), and testaceus, spp. nn., Van der 
Wulp, Tijdschr. Ent. xxvi. pp. 12 & 13, Argentine Republic. 
Physocephala biguttata, sp. n., Yon Roder, Wien. ent. Z. ii. p. 94, 
Canary Islands. 
CEsTRIDiE. 
Dermatobia noxialis, Goudot, attacking man ; Jacobs, CR. ent. Belg. 
xxvii. p. cxxv. 
Tachinidas. 
Tachina Jlavicauda , Riley, and Exorista leucanice , Kirkp., noticed as 
destructive to Leucania unipuncta , Haw., and figured ; Riley, Rep. U. S. 
Ent. Comm. iii. p. 126, pi. i. figs. 6 & 7 (</. also Thomas, Rep. Ins. 
Illin. x. pp. 36-38.) 
