LIST OF ILLUSTRATIVE FIGURES. 



PLATES. 



X. Respiratory and Vocal Organs of tlie Blackbird, Tardus Merula. 

 XL Respiratory and Vocal Organs of the Rook, Corvus frugilegus. 

 XIL Respiratory and Vocal Organs of Pigeons, Grouse, and Parrots. 

 XIIL Digestive Organs of Cantatores. 



Fig. 96. 



97. 



98. 



.09. 

 100. 

 lOL 

 102. 

 103. 

 104. 

 105. 

 lOG. 

 107. 

 108. 

 109. 

 110. 

 111. 

 112. 

 1J3. 

 114. 

 115. 

 116. 

 117. 

 118. 

 119. 

 120. 

 121. 

 122. 

 123. 

 124. 

 125. 

 126. 

 127. 

 128. 

 129. 

 130. 

 131. 

 132. 

 133. 

 134. 



WOOD CUTS. 



Digestive Organs of a Hawk, 



Digestive Organs of an Owl, 



Digestive Organs of a Kingsfisher, 



Digestive Organs of a Cuckoo, . 



Digestive Organs of a Goatsucker, 



Digestive Organs of a Jay, 



Digestive Organs of a Shrike, 



Digestive Organs of a Thrush, 



Digestive Organs of a Nuthatch, 



Digestive Organs of a Finch, 



Digestive Organs of a Chatterer, 



Aircells of the Rook, Corvus frugilegus. 



Portion of windpipe, relaxed, 



Portion of windpipe, contracted. 



Portion of windpipe, in intermediate state 



Portion of windpipe, contracted, 



Portion of windpipe, extended. 



Two rings of trachea, separated, 



Two rings of trachea, in proximity. 



Sternum of Blackbird, Tardus Merula, in front, 



Sternum of Blackbird, Turdus Merula, laterally. 



Head and foot of Myrmothera Bengalensis, 



Head of European Dipper, Cinclus europjeus. 



Wing and foot of European Dipper, 



Nest of European Dipper, 



Nest of European Dipper, 



Sternum of Dipper, laterally, 



Sternum of Dipper, in front. 



Head and foot of Golden Oriole, Oriolus Galbula, 



Head of Young Female Blackbird, Turdus Merula, 



Head of Male Blackbird, 



Foot of Blackbird, 



Head of Ring Ouzel, Turdus torquatus. 



Head of Fieldfare, Turdus pilaris, 



Wing of Blackbird, 



Head of Missel Thrush, 



Head of Song Thrush, Turdus musicus, 



Head of Redwing Thrush, Turdus iliacus, 



Head of Sky-Lark, Alauda arvensis, 



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