496 PROCEEDINGS OF THE ACADEMY OF [Oct., 



is a little longer than or subequal to the yellow area proximad to it. 

 Wings with a pale gray tinge, the costal margin with three dark 

 brown blotches, the largest at the origin of Rs and the tip of Sc; 

 stigma rectangular; a large blotch at the middle of Sc; pale brown 

 seams along the cross-veins and deflections of veins; tip of the wing 

 a little darkened; veins dark brown, R between the brown markings 

 bright yellow. Venation: Sc rather short, extending to about 

 one-quarter the length of the sector; Sc 2 at the tip of Sci] basal 

 deflection of R i+b long, restricting the r-m cross-vein. 



Abdominal tergites dark brown, the ninth segment more yellowish; 

 sternites yellowish brown, the apical segments more yellowish. 



Habitat. — Central America. 



Holotype, 9 , Aguna, Guatemala, altitude 2,000 feet (Dr. G. Eisen). 



Paratopotype, 9 ; paratype, 9 , Cucaracha, Canal Zone, November 

 17, 1908, No. 14 (C. H. Bath). 



Type in the collection of the United States National Museum. 



Related to insignis Loew, but smaller, the thorax grayish with the 

 brown stripes broader, the subterminal brown annulus on the femora 

 much broader, the wings grayish with the brown markings larger 

 and darker; it is a much smaller species than plumbeipleura (wing 

 and body, over 8 mm. ; rostrum, 3 mm.) with the mesonotal coloration 

 more grayish, the wings with the pattern not so dark, but more 

 extensive, the interspaces of the costal region not so brightened, etc. 



Tribe Antochini. 

 This is one of the smaller of the crane-fly tribes, the species of the 

 eastern United States and Canada being as follows : 



Antocha saxicola Osten Sacken. 



Canadian and Transitional zones of the east, ranging from Ontario 

 and Quebec, south to Georgia, west to Winnipeg, Michigan and 

 Illinois. In New York and New England it flies from May 13 to 

 September 25. 



Atarba picticornis Osten Sacken. 



Canadian-Transitional and Transitional zones of the eastern 

 United States, ranging from New York and Massachusetts, south to 

 Virginia and North Carolina, west to Indiana and Tennessee. In 

 New York and New England it flies from June 19 to July 13, having 

 an unusually short flight-period. In the south it flies later (October 

 7, Tennessee) and appears earlier (May 29, Maryland). 



Dicranoptycha germana Osten Sacken. (Plate XXV, fig. 10.) 



Canadian life-zone of the northeastern United States, ranging 

 from New York, Vermont and New Hampshire, south, in the moun- 



