486 PROCEEDINGS OF THE ACADEMY OF [Sept., 
blackish or grayish, black subterminally, the lateral margins broadly 
paler. Hypopygium with the ninth tergite (see Plate XIX, fig. 49) 
yellow caudally, black basally, with the caudal margin produced 
into two long lobes with the tips blackened, minutely spiculose. 
Ninth pleurite very extensive though incomplete, the pleural suture 
being indicated beneath, curved dorsad at the end; the ventral inner 
angle of the pleurite is densely clothed with long hairs; two pleural 
appendages (see Plate XX, fig. 63) the outer appendage flattened, 
broad, pale, the tip obtusely rounded; the inner appendage is com- 
plex, more chitinized, with a ventral arm (v) directed caudad and 
ventrad, its tip with a few scattered irregular teeth; the dorsal arm 
(d) deeply concave beneath. Guard of the penis long, slender, 
prominent. 
Habitat. — Northeastern United States. 
Holotype, cf, Simmons Woods, Fulton Co., N. Y., June 9, 1914 
(Alexander) . 
Allotype, 9 , Orono, Penobscot Co., Me., June 14, 1913 (Alexander). 
Paratypes, No. 1, 3 c^'s, topotypic; No. 4, "The Glen," Ithaca, 
Tompkins Co., N. Y., May 30, 1911 (Alexander); No. 5, 2 d^'s, 
Orono, Penobscot Co., Me., June 14, 1913 (Alexander); No. 7, 9, 
Ithaca, Tompkins Co., N. Y., reared, May 13, 1914; No. 8, 2 d^'s, 
Indian Castle, Herkimer Co., N. Y., June 13, 1915 (Alexander). 
The types are in the collection of the author. 
The specific name is that of the Indian tribe, one of the Five Nations. 
The type specimen was taken in Simmon's woods, Gloversville, 
N. Y., on June 9, 1914. It occurred along. a small woodland stream 
supporting a rich vegetation with decided Canadian tendencies, the 
principal species being Osmvnda regalis, 0. cinnamomea, 0. Clay- 
toniana, Onoclea sensihilis, very large and sterile fronds of Equisetum 
sijlvaticum and E. arvense, Taxus canadensis, Streptopus roseus, 
Clintonia borealis, Smilacina racemosa, Medeola virginiana, Coptis 
trifolia, Ranuncidus septentrionalis, Caltha palustris, Siellaria borealis, 
Dalibarda repens, Impatiens biflora, Viola cucullata and Senecio 
aureus. The crane-flies associated with this species at this date 
were Limnohia solitaria, Dicranomyia pubipennis, Adelphomijia 
minuta, Limnophila subcostata, L. rufibasis, L. to.voneura, L. recondita, 
L. fuscovaria, L. alleni, Ulomorpha pilosella, Tricyphona calcar, 
T. inconstans, Rhapkidolohis flaveola, R. rubescens, Liogma nodicornis, 
Cylindroloma tarsalis, Oropeza venosa, Tipula collaris, T. tephro- 
cephala, T. pallida, T. (Trichotipula) oropezoides and Xiphura fron- 
talis, a notable assemblage of northern or Canadian forms. 
