310 DIPTERA. — 
line ; oral margin pale red. Antenne blackish-brown, the two basal joints and also the base of the third 
rufous ; arista thickened at the base, finely plumose. Proboscis black; palpi rufous. Thorax, scutellum, 
and abdomen cinereous ; thorax with four distinct black stripes; second and third abdominal segments 
each with three black spots, the median spot nearly trigonal and sometimes appearing united posteriorly 
with the two lateral spots by a short transverse band near the hind margin of the segments; a row 
of weak, erect macrochete along the hind-border of the third segment, and several macrochete, also 
discal, on the anal segment. Legs blackish-brown, the knees of the front and middle pairs, a large 
portion of the hind femora, and all the tibiee more rufous. Tegule whitish. Wings greyish-hyaline ; 
the small cross-vein and the posterior cross-vein with a brown margin ; no bristles along the veins. 
Hab. Mexico, Xucumanatlan in Guerrero 7000 feet (H. H. Smith). 
A single female specimen. 
_ The following species of the group Muscine have been previously recorded from 
Mexico :— 
Musca flavinervis, Thoms. Eugenies Resa, Dipt. p. 547. no. 178; Gigl.-Tos, Mem. 
R. Accad. Scienze di Torino, 2 ser. xlv. (sep.) p. 8 no. 144. 
sensifera, Walk. Trans. Ent. Soc. Lond. n. ser. v. p. 314. 
atrifrons, Bigot, Bull. Soc. Zool. Fr. xii. p. 607 (1887). 
Calliphora femorata, Walk. 1. c. p. 310. 
secors, Walk. l. c. p. 311. 
-—— santhorhina, Bigot, Bull. Soc. Zool. Fr. xii. p. 602 (1887). 
prepes, Giglio-Tos, Mem. R. Accad. Scienze di Torino, 2 ser. xlv. (sep.) p. 1. 
no. 130. 
Lucilia brunnicornis, Macquart, Dipt. Exot. ii. 8, p. 142. no. 15. 
nigriceps, Macquart, 1. c. p. 143. no. 16. 
—— mexicana, Macquart, 1. c. p. 143. no. 17. 
— meridensis, Macquart, 1. c., Suppl. J, p. 199. no. 33.—Merida, Yucatan. | 
violacea, Macquart, |. c., Suppl. 2, p. 83. no. 34. 
proxima, Walk. Ins. Saund., Dipt. p. 841 (Musca).— California ; Gigl.-Tos, 
Mem. R. Accad. Scienze di Torino, 2 ser. xlv. (sep.) p. 4. no. 136.—Mexico. 
surrepens, Walk. Trans. Ent. Soc. Lond. n. ser. v. p. 312. 
pallidibasis, Bigot, Ann. Soc. Ent. Fr. 5° sér. vii. p. 247. no. 26 (1877) 
(Somomyia) ; Gigl.-Tos, Mem. R. Accad. Scienze di Torino, 2 ser. xlv. (sep.) 
p. 4. no. 187. 
mutabilis, Bigot, 1. c. p. 248. no. 27 (Somomyia). 
flavigena, Bigot, 1. c. p. 249. no. 28 (Somomyia). 
callipes, Bigot, 1. c. p. 249. no. 29 (Somomyia). 
— pueblensis, Bigot, 1. c. p. 250. no. 30 (Somomyia). 
