386 
BIRDS OF PENNSYLVANIA. 
Contetits. — Remains of oats (mainly the hulls); fine grass and some other 
vegetable fiber ; bones and nearly all the teeth of a field-mouse (Arvicola 
riparius), forming about 25 per cent, of the whole stomach contents; 
about 30 per cent, of insect remains ; about 6 per cent, of fine “ mud” not 
identifiable. 
4886. Young. Hillsborough, New Brunswick. July 15, 1886 ; 3 to 4 p. m. Jonathan 
Dwight, Jr. 
Animal matter, 10 per cent.; vegetable, 45; gravel, etc., 45. Stomach nearly 
empty. 
Contents. — Remains of seeds and berries, two kinds of seeds not recognized ; 
remains of insects ; 10 pebbles ; no sand. 
4887. Male, young. Hillsborough, New Brunswick. July 16, 1886 ; 8a. m., Jonathan 
Dwight, Jr. 
Animal matter, 35 per cent.; vegetable, 65 ; gravel, etc., 0. Stomach less than 
half full. 
Contents. — A piece of moss about half an inch long; hulls of five or six rasp- 
berries ; seven seeds of red raspberry (RubuS strigosus); remains of a 
large cutworm ; no gravel or sand. 
4888. Female, young. Hillsborough, New Brunswick. July 16, 1886 ; 8 a. m. Jona- 
than Dwight, jr. 
Animal matter, 1 percent.; vegetable, 99; gravel, etc., 0. Stomach less than 
half full. 
Contents. — Hulls and a few seeds of raspberry ; two small unknown pods not 
yet ripe ; twelve or fifteen very small seeds, possibly those of strawber- 
ries ; a single fragment of some beetle ; no gravel or sand. 
4962. Male, immature. Hillsborough, New Brunswick. July 29, 1886; 5 p. m. 
Jonathan Dwight, Jr. 
Animal matter, 20 per cent.; vegetable, 80 ; gravel, etc., 0. Stomach about 
half full. 
Contents. — A large amount of pulp and skins of some fruit not identified (the 
pulp looks like that of an early apple, but the skins are too thin) ; two 
stones of some species of Pi'unus, perhaps a beech plum ; remains of in- 
sects, mainly (?) beetles, but one large cutworm ; no gravel. 
735. Immature. Sing Sing, N. Y. September 18, 1885 ; 10 a. m. Dr. C. Hart 
Merriam. 
Animal matter, 5 per cent.; vegetable, 60; gravel, etc., 20; indeterminate, 15. 
Stomach well filled. 
Contents. — Twenty-two stones of wild cherry {Prunus serotina)', 9 of cornel (Cor- 
nus sp. ?), and 3 unidentified ; also pulp of above berries; a few pieces of 
of what appears to be an acorn or chestnut ; various hard parts of insects. 
1540. Alfred Centre, N. Y. September 20, 1885 ; a. m. F. S. Place. 
Animal matter, 45 per cent.; vegetable, 53; gravel, etc., 2. Stomach full. 
Contents, — Fragments of the “meat” of some nut or large seed; pieces of 
acorns or chestnuts ; numerous fragments of fruit pulp, probably apple ; 
many insect remains (45 per cent) ; 5 small pebbles ; no sand. 
1541. Alfred Centre, N. Y. September 20, 1885 ; a. m. F. S. Place. 
Animal matter, 40 per cent.; vegetable, 60 ; gravel, etc., 0. Stomach full. 
Contents. — Seven stones of wild cherry {Primus serotina)', 5 or 6 triangular 
seeds (of Polygonum?) skins and other vegetable matter from both the 
preceding, and some long vegetable fiber from some other plant ; numer- 
ous insect remains ; no sand or gravel. 
2239. Male. Washington, D. C. September 7, 1886; 11a. m. W. B. Barrows. 
Animal matter, 0 per cent.; vegetable, 70; gravel, etc., 5; indeterminate, 25. 
stomach almost empty. 
Contents. — One grape seed ; vegetable fiber finely divided ; 2 or 3 bits of sand 
and gravel ; fine mud-like material, not identifiable ; no insects. 
