Massachusetts: Boston, 42; Cambridge, 63; Martha’s Vineyard, 109; Muskeget, 109; Penikese, 108, 122–127; Weepeckets, 109; Wood’s Holl, 109. Maynard, C. J., 160. McKinlay, James, 146. Migration, 27; speculations on origin of, 191–195. Mirror, 24. Mount St. Anne, 137. Murre, Brünnich’s, 169; number of, on Bird Rock, 183. Common, 169; number of, on Bird Rock, 183. Ringed, 174. Eggs and young of, destroyed, 160, 161; on Bryon, 162; on Bird Rock, 167; tameness of, 170; eggs of, 174, 175; young of, 175; number of, on Bird Rock, 182. Nests and Eggs, photographing, 28. New Jersey: Englewood, 52; Hackensack Marshes, 89. New York: Central Park, 48; Cayuga County, 65, 69, 86; Great Gull Island, 108; Long Island, 107. Nuthatch, 42. Oölogists, 65. Owl, use of, in photographing birds, 37. Barred, 46. Screech, photographing, 44; calls of, 44, 45; food of, 45; manner of feeding of, 45; young of, 45. Short-eared, 49. Pelican, Brown, 146; returning to Pelican Island, 192, 195; persecution of, 195, 196; daily habits of, 197–199, 202; pugnacity and calls of young of, 198, 190; flight of, 200; manner of fishing of, 201; pouch of, 201; number of, on Pelican Island, 204, 205; nesting of, 205–207; development and habits of young of, 207–213; feeding of, 210; voicelessness of adult of, 213. Island, 191–214. Pennsylvania: Presque Isle, 64. Percé, isolation of, 130; charm of, 135. Rock, 130; size of, 132; birds of, 132, 133, 135. Petrel, Leach’s, on Bird Rock, 179; nesting of, 180; young of, 181; call of, 185; habits of, at night, 185. Pictou, 146. Plates, photographic, 22. Puffins, on Bryon, 162; on Bird Rock, 169, 170; nesting, 177; ferocity of, 178; appearance of, 179; number of, on Bird Rock, 182. Raven, 137. Rail, Clapper, 70. Sora, 95, 100. Razorbills, on Bird Rock, 167, 169; tameness of, 170; nesting of, 176; young of, 176; number of, on Bird Rock, 183. Red Cedar, 26. Reedbird, 26, 95. Robin, 22, 191. Rowley, John, 9. Sable Island, 191. Screen for nest photography, 31. Seasons, photographing, 27. Shelbourne, W. E., 149, 173. Shiras, G. A., 25. Shutter, curtain, 9; focal-plane, 9, 20; iris, 19; unicum, 15, 20. Snow, photographing after, 41. Sparrow, Fox, 149. House, photographing, 40, 43; notes of, 41; intelligence of, 40, 43. Ipswich, 191. Savanna, 137. Swamp, 95, 100. White-throated, 137, 142.