habits, [252] f.;
trachea enters keel of sternum, [13];
young, [256]
Phororhachos and others of the "Stereornithes" perhaps belong here, [44]
Grus, fossil, [256];
G. americana, [254];
G. australasiana, [254];
G. canadensis, [254];
G. carunculata, [255];