1916.] NATURAL SCIENCES OF PHILADELPHIA. 491 



the lobes scarcely darker than the median area; scutellum pallid; 

 postnotum plumbeous brown with a sparse grayish bloom. Pleura 

 reddish yellow with a light gray bloom. Halteres yellow, the kno 

 brown. Legs with the coxa 1 and trochanters dull yellow; femora 

 uniform light brown; tibiae and tarsi dark brown. Wings nearly 

 hyaline; stigma indistinct; veins dark brown. Venation: Sc mod- 

 erate in length, extending to about one-fourth the length of the. 

 sector; R* elongate, somewhat arcuated at its origin; cross-vein 

 r at the tip of Ri] basal deflection of R i+i more than two times the 

 length of the r-m cross-vein; cell 1st M% elongated, the cell being 

 longer than vein Cui beyond it, though shorter than vein M, +2 

 beyond it; basal deflection of Cuj just before the fork of .1/. 



Abdominal tergites dark brown, the sternites rather light yellow. 



Habitat. — Santo Domingo. 



Holotype, 9 , San Francisco Mountains, Santo Domingo, Septem- 

 ber, 1905 (Aug. Busck). 



Type in the collection of the United States National Museum. 



This species is closely related to G. cinereinota in its short rostrum, 

 conspicuous black thoracic stripe, uniform femora, etc. ; it is a smaller 

 fly, with the head black and silvery, without the clear gray coloration 

 of the praescutum, the stigma indistinct and the flagellar segment s 

 much shorter and more globular than in the corresponding sex of 

 cinereinota. 



Geranomyia tibialis Loew. (Plate XXV, fig. 5.) 



Aporosa tibialis Loew; Linnaea Entomologica, vol. 5, p. 397 (1851). 



A wide-ranging species throughout the Antilles and southward 

 over a large portion of South and Central America. The following 

 unrecorded stations are before me, representing the Loew collections 

 in the Museum of Comparative Zoology, the American Museum and 

 the United States National Museum: 



Cuba, part of the Loew collection in the M. C. Z., bearing the label 

 "rufescens" in Osten Sacken's writing, but certainly not that species 

 because of the black and enlarged apices of the anterior tibia?; a o" , 

 Baracoa, September, 1901 (Aug. Busck). 



Santo Domingo, several o* 9, Sanchez, June 7-12, 1915; d\ San 

 Francisco Mountains, September, 1905 (Aug. Busck). 



Porto Rico, 9 , Aguadilla, January, 1899. 



Montserrat, a 9, Plymouth (F. Driver). 



Canal Zone, a 9 (A. H. Jennings). 



The species may be looked for in the Miami (Dade County) 

 section of Florida. 

 33 



