114 Psyche [June 
angle; terminal clasp segment long, rather stout; dorsal plate broad, deeply and 
roundly emarginate, the lobes narrowly rounded; ventral plate moderately long, 
broad, narrowly rounded apically; style long, the basal two thirds swollen, the apex 
dilated. 
Type: Cecid. 1522. 
The well marked midge described above was reared in May, 
1908, by Mr. C. A. Frost, Framingham, Mass., from dead twigs of 
Rhus vernix. The specimens were placed at our disposal through 
the courtesy of Mr. C. W. Johnson. 
EXCHANGE COLUMN. 
Will name and return-species in certain families of Coleoptera. Buprestide 
especially desired —C. A. Frost, 26 Pond Street, South Framingham, Mass. 
Wanted. Insects from ant-nests, with specimens of the ants, from any part of 
the world. Will give Coleoptera, Diptera and Hymenoptera from any Western 
United States —W. M. Mann, Bussey Institution, Forest Hills, Mass. 
Will exchange for Geometridz from any section of North America, or identify 
material for privilege of retaining examples.—L. W. Swett, 501 Washington Street, 
Room 44, Boston, Mass. 
Will exchange insects of various orders for Parasitic Hymenoptera from any 
part of the world—C. T. Brues, Bussey Institution, Forest Hills, Mass. 
Wanted, for cash or exchange, living material of Lucilia from the Southern 
States; also living material of Cynomia mortuorum from Europe and any other 
species of Cynomia except Cadaverina. Will give directions for shipment.—P. W. 
Whiting, Bussey Institution, Forest Hills, Mass. 
Carabus chamissonis and other rare Coleoptera for Dytiside not in my collection. 
—F. W. Dodge, Melrose Highlands, Mass. 
Wanted. Ants from all parts of the world—W. M. Wheeler, Bussey Institution, 
Forest Hills, Mass. 
I pay cash or give American and exotic insects in exchange for fertile eggs of 
Catocala spp., living Catocla Q Q (captured specimens only), hibernating pupz 
and larve of any other group of Lepidoptera.—William Reiff, 366 Arborway, 
Jamaica Plain, Boston, Mass. 
Florida insects of all orders, also Fish, Batrachians, Reptiles, Shells and Marine 
Invertebrates sold by A. G. Reynolds, Gulfport, Florida. 
New England Orthoptera identified. I wish to examine adult orthoptera of all 
families from all parts of New England. Material will be identified for the privi- 
lege of retaining desired examples, for which good exchanges will be given, subject 
to approval of owner.—A. P. Morse, Wellesley College, Wellesley, Mass. 
The undersigned will greatly appreciate receiving records of New Jersey species 
not listed in Smith’s Insects of New Jersey.—Harry B. Weiss, 272 Hale St., New 
Brunswick, N. J. 
Offered for cash, but exchange preferred. Fitch and early Illinois reports; 
Insect Life; Harris’s Insect: many others.—J. E. Hallinen, Cooperton, Okla. 
