1915.] NATURAL SCIENCES OF PHILADELPHIA. 471 
nation formerly occupying a large portion of the United States and 
Canada. 
Tipula pachyrhinoides sp. n. 
Size small (wing of the female under 12 mm.); thoracic stripes 
reddish to black; a broad median white band from the scutum to 
the base of the abdomen; abdominal tergites with the apices of 
the segments ringed with brown; wings with cell Mi petiolate; 
cross-vein m-cu beyond the fork of M. 
Female. — Length, 13.5 mm.; wing, 10 mm. 
Frontal prolongation of the head shiny yellow with a linear brown 
mark on either side of the middle line and with a small rounded 
brown spot near the caudal end of this mark and slightly below it. 
Palpi dark brown. Antennae with the two scapal segments dull 
yellow, the flagellum broken in the type (see the paratype described 
below). Head shiny orange-yellow with a dark brown median 
vitta, narrowest in front, broadened behind; a prominent frontal 
ridge on either side of the middle line, the anterior ends approxi- 
mated; occiput with a rounded dark brown spot on either side of 
the middle line. 
Pronotum with the scutum dull yellow, broadly darkened medially, 
sides of the sclerite and the proepisternum with a large brownish 
black blotch. Mesonotal prsescutum yellow, shiny, with three 
reddish brown stripes, of which the middle one is broadened in front, 
narrowed behind, indistinctly bisected by a faint yellowish line; 
lateral stripes short and broad; pseudosutural fovese present as a 
narrow impressed line connecting the impressed point with a black- 
ened area on the sides of the sclerite; a large, rounded, blackish 
blotch at the ends of the transverse suture; scutum with the lobes 
brownish yellow, each with two large chestnut spots, of which the 
anterior one is smaller; median area broad, pale, almost white; 
scutellum slightly infuscated on the sides, the median area broadly 
whitish; postnotum with the medial third almost white, bordered 
on either side by a dark brown margin; lateral edges of the sclerite 
yellowish. Pleura pale china-white with an indistinct yellowish 
tinge; brown blotches as follows: large blotches on the anterior 
ventral portions of the mesepisternum and mesosternum; a smaller 
blotch on the anterior dorsal margin of the mesepimeron; a large 
blotch near the lower end of this last sclerite; the metapleural 
sclerites are broadly margined with dark brown; sternum with less 
distinct brown blotches; an impressed black semilunar line just 
in front of the parapterum. Halteres light brown, the knobs dark- 
