INDEX 



309 



Clam, 



(Common Mya arenaria),39 

 Sea (Spisula solidissima), 



39 

 Climate, Changes of, 80-83, 



132-134 

 Courtship in birds, 248-276 

 Courtship of 



baldpate, 265 



bittern, 262 



black duck, 262, 265 



black guillemot, 262 



bluebird, 264 



blue-headed vireo, 262, 264 



bobolink, 269 



bronzed grackle, 263, 264 

 271 



buffle-head, 265 



chat, 272 



cowbird, 264 



eider, 261, 275 



flicker, 275 



gannet, 265-269 



golden-eye, 262, 263, 264 



heath hen, 262, 272, 273 



horned lark, 270 



kingbird, 272 



Laysan albatross, 265 



marsh hawk, 272 



mallard, 265 



Maryland yellow-throat, 



269 



merganser, 262, 265 



myrtle warbler, 262 



nighthawk, 271, 272 



orchard oriole, 269 



oven-bird, 269 



peacock, 259, 260 



pheasant, 270 



pigeon, 262, 271 



pintail, 265 



pipit, 270 



ptarmigan, 270 



raven, 272 



red-winged blackbird, 262 



ruffed grouse, 271 



Savannah sparrow, 271 



scaup, 265 



semipalmated sandpiper, 



269 

 song sparrow, 270 

 spruce partridge, 270 

 terns, 37, 38 

 upland plover, 270 

 vesper sparrow, 271 

 Wilson's snipe, 274, 275 

 woodcock, 274 

 Cowbird (Molothrus a. ater), 



264 

 Cranberry (Vaccinium ma- 



crocarpon), 6 

 Cricket 



Field (Gryllus assimilis), 



202 

 Snowy-tree (CEcanthus ni- 

 veus), 201, 202 

 Cricket thermometer, 13, 201 

 Crossbill (Loxia curvirostra 

 minor), 183 

 White-winged (L. leucop- 

 tera), 118, 183 

 Crow (Corvus b. brachyrhyn- 

 chos), 75, 76, 135-161, 182, 



194, 195 

 blind 131 

 dead, 129, 130, 154 



