X 
CONTENTS. 
Northern Humming Bird 
Page 
316 
Cuvier’s Regulus . . 
317 
The Prairie Titlark 
ib. 
Bewick’s Wren . . 
ib. 
Henslow’s Bunting 
• ib. 
Snow Bunting . . 
ib. 
The Passenger Pigeon 
. 319 
Flight of Birds . . . 
320 
Brehm’s Arrangement of Pigeons 
325 
Grouse ... . . 
ib. 
Ptarmigan ... 
326 
Willow Grouse .... 
327 
Rock Grouse . . 
32S 
White-tailed Grouse 
330 
Account of several new species of Grouse 
331 
On the Nests of Birds 
336 
Brehm’s Arrangement of Grouse 
. 340 
Goose Tribe ... 
341 
Longevity of Animals 
342 
Trumpeter Swan 
345 
Bewick’s Swan . . : 
346 
Rocky Mountain Garrot 
ib. 
Brehm’s Arrangement of the Anatid® 
347 
Short-billed Mew Gull 
352 
Franklin’s Rosey Gull 
. 353 
Richardson’s Jager . . . 
354 
Brehm’s Arrangement of Gulls 
. 356 
Great Northern Diver 
358 
Brehm’s Arrangement of Grebes, Divers, 8ec. 
. 359 
