180 



INDEX. 



Drymophila, 81. 

 Dysporus, 150. 



Edolius, 8'-'. 

 Elanus, 65. 

 Emberiza, 1V>. 

 Erodii, 127. 

 Epimachus, 76. 

 Eudytes, 152. 

 Euphone rufiventris, 78. 

 Eurypyga, 129. 



/Wco, 52. 



anthracinus, 58. 



brachypterus, 57. 



ecaudatus, 54. 



melanops, 58. 



Feathers, parts of, 4; forms of, 1-' ; 

 arrangement of, 16. 



Featherless spaces defined, Hi. 



Feather-tracts, defined, 16 ; investi- 

 gation of, 18 ; differences in, 

 19, 21. 



Femoral or lumbar tract, 25. 



Filoplumes defined, 14. 



Filoplumous structure, 12. 



Fringilla, 78. 



Fulica, 12C. 



Fulicaria, 125. 



Galbula, 90. 

 Gallinaeeee, 111. 

 Gallinula, 126. 

 Gallus, 115. 

 Glareola, 139. 

 Gtaucopis varians, 75. 

 Gracula religiosa, 76. 

 raJ/, 120. 

 Grallina, 82, 83. 

 Graucalus, 80. 

 Grws, 124.. 



Gypaetos barbatus, 4 I. 

 Gypogeranus, 63. 

 Gyps, 45. 



Hcematopus, 138. 

 H aliens, 149. 

 Head-spaces, 36. 

 Head-tract, 31. 

 Henicurus, 83. 

 Hemiglottides, 133. 

 Ilemipodius, 117. 

 Hemiprocne, 86. 

 Herpetotheres cachinnans, 57. 



Himauiopus, 137. 

 Hirundinece, 84. 

 Booklets defined, 10. 

 Humeral tract, 25. 

 Hydrobates, 147. 

 Hylophilus, 82, 83. 

 Hypothymu, 77. 

 Hypsibates, 137. 



133. 

 Icterus, 79. 

 Indicator, 92. 

 Inferior space, 34. 

 Interrupted plumage, causes of, 1 7. 

 Investigation of feather-tracts, 18. 

 //ene, 82. 

 Irrisor, 104. 

 *, 83. 



Kitta thalassina, 76. 



Lanius, 80. 

 Lamprornis, 83. 

 Larus, 143. 

 Lateral neck-space, 33. 

 --- tract, 30. 

 spaces of the trunk, 34. 

 Leptosomu discolor, 92, 158. 

 Lestris, 143. 

 Limicolce, 134. 

 Limnsa, 136. 

 Lipoglossee, 102. 

 Longipeiines, 141. 

 Lophophorus, 115. 

 Lower wing-space, 35. 

 Loxia, 79. 

 Lumbar tract, 25. 

 Lypornis, 95. 



Macheeropterus, 77. 

 Macrochires, 86. 

 Malurvs, 83. 

 Megapodiut, 118. 

 Meletiffris, 114. 

 Mergus, 148. 

 Menv.ru, 82, 83. 

 Merops, 89. 

 Micro/mi/on, 94. 

 Milvux, l>4. 

 Moiiasa, 95. 

 Monasti's, 95. 

 Moniiiui, 153. 

 Morphmis, 61. 

 Motacillu, 82, 83. 



Muscicapa, 80. 

 Musophaga, 106. 

 Myiothera, 83. 

 Myophonus, 83. 



Nasuta, 143. 



Natatores, 139. 



Neck-tract, 30. 



Nectarinia, 84. 



Neophron percnopterus and A r . mona- 



chus, 49. 

 Nitzsch's Ornithological Works, list 



of, 164. 



Notherodius, 125. 

 Numenius, 135. 

 Numida, 1 14. 

 Nyctornis, 88. 



Ochetorhynchus, 83. 

 Ocypetes, 139. 

 Ocypterus, 80. 

 OtJontofflossce, 132. 

 CEdicnemus, 138. 

 Oil-gland described, 38. 



tract, 32. 



Opetiorhynchus, 83. 

 Opisthocomus, 108. 

 Oriolus, 79. 

 Or/ypw, 117. 

 Ostrich, 118. 

 <!, 121. 

 , 68. 

 Oxyrhynchus, 79. 



PacJiyptila, 145. 

 Palamedea, 121. 

 Palteornis, 101. 

 Pandion haliaiitos, 54. 

 Pura'lisea, 75. 

 Pardalotus punctatus, 78. 

 Parra, 126. . 

 Porw*. 83. 

 Pas.ierinee, 72. 

 Pastor, 79. 

 Pavo, 115. 

 Pelurgi, 130. 

 Pelecunus, 149. 

 Pene/o/ie, 116. 

 Pemiaceous structure, 12. 

 Pen//*, 113. 

 Pe/-/,i.v, 64. 

 Phaeton, 151. 

 Phal uropus, 136. 

 Phaltns, 153. 



