XXVIU MONTHLY PROCEEDINGS 



base, issuing from the bud axils on the larger branches. Some of the 

 specimens are curved in a regular hook at tip. 



Gail-Fly. — 9 • — Length .10 inch. Brownish-yellow, finely punctate, pubescent 

 back of eyes, face slightly pubescent; antennse 15-jointed, third joint longest, four 

 to ten subequal, the following equal, apical joint slightly longer than penultimate ; 

 thorax : parapsidal grooves distinct, two longitudinal furrows, pleurae aeiculate ; 

 scutellum roundish, elevated posteriorly, rugoso-ijunctate, bifoveolate with the 

 basal and posterior margins dark brown ; abdomen smooth and shining j ovipositor 

 slightly exserted; wings hyaline, veins stout, brownish, areolet almost closed, 

 radial area open ; legs brownish-yellow. 



The Lemon-like Gall of the Willow Oak. 

 By this popular name, I designate another gall on Qtiercus j^hellos, 

 yellow in color and not unlike a lemon in shape. 



Cyiiips q. citriforinis n. sp. 



Gulls. — Globular, smooth, shining yellowish galls, from seven-eighths 

 to an inch in length, by three-eighths to half an inch in diameter, 

 attenuated to a sharp point at tip and with a single kernel in the centre, 

 held in place by a few thin, radiating, spiculate filaments. 



Gall-Fly. — 9 • — Length .20 inch. Robust, head and thorax brownish-black, 

 deeply and coarsely rugoso-punctate, eyes black, cheeks and £ace pubescent, palpi 

 brownish; antennre 13-jointed, reddish-brown, first joint stout as long as fourth, 

 second globular, third longest, fourth to eighth subequal, the following to thir- 

 teenth short, equal, thirteenth more than twice the length of penultimate, all 

 joints pubescent; thorax slightly pubescent, parapsidal grooves indistinct, longi- 

 tudinal furrows obsolete; scutellum almost round, bifoveolate, rugoso-punctate and 

 slightly pubescent, pleurjB rugoso-punctate, pubescent ; wings hyaline, veins yel- 

 lowish, areolet closed, petiolated, radial area open, a dark brown spot extending 

 across the base from tip of subcostal, basal vein thick, along costal for short dis- 

 tance dark brown; abdomen bright shining reddish-brown, microscopically punc- 

 tate, a few short hairs at base of second segment ; legs reddish-brown, pubescent, 

 posterior pair a shade darker. 



Described from three bred specimens which issued from galls during, 

 the first week in May. No males. 



The following additions to the Library of the American Entomological 

 Society were announced : — 



Proceedings of the Boston Society of Natural History, vol. xx, 

 pp. 417 — 448. From the Society. 



Canadian Entomologist, vol. xiii, Nos. 5 and 6. From the Society. 



Psyche, vol. iii. No. 81, January, 1881. From the Editors. 



Le Naturaliste Canadien, vol. xii. No. 140, Mars — Avril 1881. From 

 the Editor. 



