Illustrations 



XI 



Fio. 

 Fic. 



Fig. 



Fig 

 Fig 

 Fig 

 Fig 

 Fig 



Compare with the freer 



Fig. 44. — She stands like a statuette while inspecting her family .... 



Fig. 45. — She devours what is sometimes removed from the nest .... 



46. — The sac is takea directly from the cloaca of the young bird 

 47. — A young Waxwing from this nest on the morning of flight, in natural attitud 

 expressive of fear. July 19, igoo ....... 



48. — Cedar-bird, thirty-six hours old. Typical instinctive response to sound or 

 vibration of nest. The stub-wings are used for support 

 Cedar-bird standing at nest after delivery of food .... 



Fig 49. — Male Red-eyed Vireo standing over nest. Life-size X 3 . 

 Fig. 50. — Female Red-eyed Vireo with a neuropterous (?) insect in bi 

 Fig. 51. — Feeding a nestling ........ 



Fig. 52. — Female inspecting the nest in the characteristic manner . 

 Fig. 53. — ^Male standing over the young ...... 



Fig. 54. — Female Red-eyed Vireo cautiously inspecting nest 



manner illustrated in Fig. 52. July 5, 1900 . 

 Fig. 55. — Approaching to inspect the nest and drawing back 

 Fig. 56. — Cautiously feeding the young .... 



Fig. 57, — Inspecting nest at a distance .... 



58. — Young birds from this nest just before flight 

 59. — Female Bluebird on point of leaving nest-hole 

 60. — Taking grasshopper to young .... 



61, — Standing at entrance with green insect-larva in bill 

 62. — Female Bluebird cleaning the nest 

 F"iG. 63. — Cleaning the nest ...... 



Fig. 64. — Cleaning the nest ...... 



F"iG. 65. — Taking a final glance around before entering nest-hole with grasshopper . 

 Fig. 66. — Female Catbird bringing to young a limp dragon-fly, the large ^-Escluia heros. 



which has just issued from its pupa-skin 

 Fig. 67. — Catbird inspecting her young ..... 



Fig. 68. — Catbird cleaning the nest ..... 



Fig. 69. — Night Hawk on bare ground, and eggshells from which 

 before ....... 



70.— Night Hawk approximately three days old 



71. — Night Hawk about nine days old 



72. — Night Hawk about twelve days old . 



73. — Night Hawk about sixteen days old 



74. — Front-face view of bird shown in Fig. 72 



75. — Young Night Hawk in enclosure where it remained until able to fly 



76. — Tunnel of Kingfisher (on the right) in sand-bank overgrown with ])ines, beside 



country road, Northfield, New Hampshire. August, 1899 

 77. — Nest of 1900 in same bank and probably of same [lair. Kingfisher taking fish 

 to young. Lens gy'V inch; speed 1; stop 8; time Jjy second; distance 9 ft. 8 

 in.; full sun. July 24, 1900 ......... 



78. — Kingfisher backing out of tunnel. A stream of sand is started from the opening 

 at every entrance and exit ■•-....... 



79. — Five Kingfishers from chamber at end of tunnel — approximately nine days old. 

 July 19, 1900 ............ 



Fig 

 Fig 

 Fig 

 Fig 



Fig, 

 Fig, 

 Fig, 



Fig. 



Fig. 



Fig. 



it emerged three dav 



59 

 60 

 61 



62 



62 

 (i3 

 65 

 66 

 66 

 66 

 67 



67 

 67 

 68 

 69 



70 

 71 

 7^ 

 73 

 74 

 74 

 74 

 75 



76 

 77 

 79 



80 

 81 

 81 

 82 

 82 

 S3 

 -^3 



86 



87 

 87 

 89 



