476 PROCEEDINGS OF THE ACADEMY OF [Sept., 
nent; a narrow impressed median furrow which is lined with whitish. 
Ninth pleurite complete, elongate oval, not in contact with the 
tergite; outer appendage a short, cylindrical, rather stout, fleshy 
lobe with rather numerous long hairs; inner appendage (see Plate 
XXI, fig. 76) complex, a very compressed lobe which is notched on 
its inner face and here heavily chitinized. Ninth sternite extensive, 
gently concave beneath on the caudal margin; on either side just 
ventrad of the pleurites with a large pale oval lobe which is densely 
punctulate on the outer ventral half. The penis-guard (see Plate 
XXI, fig. 75) is prominent, the tip a little expanded, consisting of a 
rounded apical lobe subtended on either side by a sharp, chitinized 
tooth. Eighth sternite almost straight across the caudal margin; 
on either side a V-shaped group of stout, conspicuous hairs, there 
being about 2 4-30 in each group. 
Habitat. — Northeastern United States and Canada. 
Holotype, cT, Mt. Desert Isle, Hancock Co., Me., August 31, 
1913 (Alexander). 
Allotype, 9, Fort Kent, Aroostook Co., Me., August 19, 1910 
(Johnson) . 
Paratypes, No. 1, 2 cf's, Ashland Junction, Aroostook Co., Me., 
August 16, 1910 (Johnson); No. 3, cf 9 , Grand Lake, Newfound- 
land, July 25, 1906 (Bryant); No. 5, d", no locality, labelled 
"Packard." 
Paratype No. 5 bears the manuscript name "Icevigata" in Loew's 
script. 
The type and paratype No. 4 in the collection of the author; 
the allotype and paratypes 1 to 3 in the collections of Mr. Johnson 
and the Boston Society of Natural History; paratype No. 5 in the 
Museum of Comparative Zoology. 
Tipula taughannock sp. n. 
Coloration grayish and yellow; antennae elongated in the male 
sex, the three basal segments dull yellow, the flagellum unicolorous, 
brown; thoracic dorsum yellowish with brown stripes; abdomen 
yellow with brown markings; wings hyaline or nearly so; male 
genitalia with the ninth tergite tumid, deeply notched; ninth pleurite 
nearly complete. Female with the coloration dark brownish black; 
wings uniformly brown; abdominal tergites with bright yellow 
triangles. 
Male. — Length, 15-17 mm.; wing, 15.5-15.8 mm.; antennae, 
about 10 mm. Fore leg, femora, 8.3 mm.; tibiae 10.6 mm.; hind 
eg, femora, 8.8 mm.; tibiae, 11.9 mm. 
