tag="{http://www.w3.org/1999/xhtml}a">311.—Life-history and habits, 312.—Classification, 313.—Tortoises and turtles (Chelonia), 314.—Snakes and lizards (Squamata), 317.—Crocodiles and alligators (Crocodilia), 325.

XXVII.—BRANCH CHORDATA (CONTINUED).

Class Aves: The Birds.

Example: The English Sparrow (Passer domesticus) [Laboratory exercise]. External structure, 327.—Internal structure [Laboratory exercise], 329.—Life history and habits, 335.

Other Birds.

Body form and structure, 336.—Development and life-history, 339.—Classification, 340.—The ostriches, cassowaries, etc. (Ratitæ), 341.—The loons, grebes, auks, etc. (Pygopodes), 343.—The gulls, terns, petrels, and albatrosses (Longipennes), 345.—The cormorants, pelicans, etc. (Steganopodes), 346.—The ducks, geese, and swans (Anseres), 347.—The ibises, herons, and bitterns (Herodiones), 347.—The cranes, rails, and coots (Paludicolæ), 348.—The snipes, sand-pipers, plovers, etc. (Limicolæ), 349.—The grouse, quail, pheasants, turkeys, etc. (Gallinæ), 358.—The doves and pigeons (Columbæ), 351.—The eagles, hawks, owls, and vultures (Raptores), 351.—The parrots (Psittaci), 353.—The cookoos and kingfishers (Coccyges), 354.—The woodpeckers (Pici), 354.—The whippoorwills, chimney-swifts, and humming-birds (Macrochires), 356.—The perchers (Passeres), 357.—Determining and studying the birds of a locality, 359.—Bills and feet, 362.—Flight and songs, 364.—Nestling and care of the young, 366.—Local distribution and migration, 367.—Feeding habits, economics, and protection of birds, 370.

XXVIII.—BRANCH CHORDATA (CONTINUED).

Class Mammalia: The Mammals.

Example: The Mouse (Mus musculus) [Laboratory exercise]. Structure, 373.—Life-history and habits, 379.

Other Mammals.

Body form and structure, 381.—Development and life-history, 387.—Habits, instincts, and reason, 387.—Classification, 388.—The opossums (Marsupialia),