On some Saw jiiea from the Australian Region. 433 



de CMinenca, R. Solimoens, Brazil ; from the collection of 

 Ml. J. J. Mounsey, 1913. 



Hylella ocellata. 



Tongue circular, entire, and slightly free behind. Head 

 broader than long, very strongly depressed ; snout rounded, 

 rot projecting, as long as the eye, which is obliquely turned 

 forward; no canthns ro^tralis, loreal region feebly concave; 

 nostril near the tip of the snout ; interorbital space broader 

 than the upper eyelid ; tympanum distinct, | the diameter of 

 the eye. Fingers rather long, with niotlerately large disks, 

 outer one-fourth webbed. Hind limb very slender; tibio- 

 tarsal articulation renching beyond the tip of the snout; til)ia 

 seven times as long as broad, f the length of head and body. 

 Toes f webbed. Skin smooth, belly granular. Violet-blue 

 above (in spirit), with round white spots, which are small 

 and crowded on the sides of the head and on the limbs and 

 large and scattered, and surrounded by a blackish ring, on 

 the back ; the blue colour forms a very narrow band on the 

 thigh; upper lip with a white edge; sides and lower parts 

 white. 



From snout to vent 29 mm. 



A single specimen from Huancabamba, E. Peru, above 

 3000 feet (coll. E. Boettger, 1912). 



XLII. — Notes on and Descriptions of some Saivflies from the 

 Australian Region, By S. A. liOHWER, Forest Insects, 

 U.S. Bureau of Entomology, Washington, D.C. 



This short paper, which is a contribution from the Branch of 

 Forest Insects, United States Bureau of Entomology, contains 

 the descriptions of four new species of sawflies. One of these 

 species is especially interesting, because it represents a new 

 genus which is the basis of a new subfamily. 



The material upon which this paper is based was submitted 

 for study by the British Museum (Natural History), and all 

 the types will be returned to that institution. 



Xiphydria obtusiventris, sp. n. 



In Konow's table of Xiphydria this runs to fumicomis^ 

 Konow, but it differs from the description of that species in 



