1923. MIGRATION RECORDS FROM WILD DUCKS AND OTHER BIRDS BANDED IN THE SALT LAKE VALLEY, UTAH. U. S. Dept. Agr. Bull. 1145, 16 pp., illus. (45) ------------ 1926. THE MIGRATIONS OF BIRDS. 217 pp., illus. Cambridge, Mass. (46) Winkenwerder, H. A. 1902. THE MIGRATION OF BIRDS WITH SPECIAL REFERENCE TO NOCTURNAL FLIGHT. Wis. Nat. Hist. Soc. (n. s.) 2: [177]-263, illus. =INDEX= Acanthis linaria, 8. Accipiter cooperi, 13. velox, 13. Aerial obstructions, 57. Agelaius phoeniceus, 18. Altitudes of travel, 22. Anas platyrhynchos, 10. rubripes, 16. Ancestral home theory, 5, 6. Anguilla, 24. Anoüs stolidus, 24. An thus spinoletta rubescens, 55. Antrostomus carolinensis, 44. Archilochus colubris, 59. Arctic route, 52. Arctonetta, 52. Aristotle, 2, 3. Arquatella maritima, 34. Astur atricapillus, 8. Atlantic coast route, 42. Atlantic oceanic route, 39. Baeolophus bicolor, 62. Baldpate, 47. Banding studies, 61. Bartramia longicauda, 11. Blackbird, 26, 27, 45. Brewer's, 26. European, 3. red-winged, 18, 26, 28, 30. rusty, 52. yellow-headed, 26. Bluebird, 6, 27, 30, 60. Bluethroat, 15. Bobolink, 26, 44, 53, 54 Bobwhite, 27, 62, 63. Bombycilla garrula, 8. garrula pallidiceps, 56. Bonasa umbellus, 62. Brant, 42. Branta bernicola, 42. canadensis, 11. canadensis minima, 48. Bubo virginianus, 27. Bullbat, 26. Bunting, snow, 27. Buteo borealis, 12. lagopus, 13. platypterus, 13. regalis, 13. swainsoni, 13. Calcarius lapponicus, 30, 57. Calidris canutus, 34. Canvasback, 42. Capella delicata, 30. Cardinal, 27, 62. Carpodacus mexicanus frontalis, 62. purpureus, 56. Casmerodius albus egretta, 55. Cathartes aura, 27. Causes of migration, 5. Chaetura pelagica, 4. Chamaea fasciata, 62. Chen caerulescens, 18. hyperborea, 26. rossi, 49. Chickadee, 5, 55. black-capped, 63. Carolina, 63. Chordeiles minor, 6. minor minor, 52. Chuck-will's-widow, 44. Clarke, W. E., 3. Coccyzus americanus, 44. erythropthalmus, 44. Colaptes auratus, 52. Colinus virginianus, 62. Compsothlypidae, 26. Corvus brachyrhynchos, 18. Coturnix coturnix, 2. Coues, Elliott, 3. Cowbird, 24. Crane, 2, 3, 4, 12, 22, 23. Creeper, brown, 57. Crocethia alba, 23. Crossbill, 5, 26. Crow, 15, 18, 26. Clark's, 55. Cuckoo, black-billed, 44. yellow-billed, 44. Cyanocitta cristata, 27. Cyanosylvia suecica, 15.