SOURCES OF THE ILLUSTRATIONS. 



Fi. 



I. 



2. 



3-9. 

 10-12. 

 13-16. 



17. 



18. 

 19-21. 



22. 



23. 



24. 



25. 



26. 



27-28. 

 29-41. 

 42-52. 



53. 

 54-58. 



59. 



<iO. 



61-63. 

 64-65. 



66. 



67. 

 68-69. 



70. 



71. 



72. 



73. 



74. 



75. 

 76-79. 



80. 



81. 



82. 



83. 

 81-88. 



89. 

 90-91. 



92. 

 93. 

 94. 

 95. 



96. 



97. 



98. 



99-102. 

 103. 

 104. 



After Ehrenherg. | Fig. 105. 



From T. R. Jones. 106. 

 After Griffith & Henfrey. 



From Carpenter. 107. 



After Griffith & Henfrey. 10S. 



From Carpenter. 109. 



After (in part) Storer. 110-111. 



From Nature. 112. 

 After Ehren berg. 



u Mi hie- Edwards. 113. 

 Cuvier. 



M. -Edwards. 114-115. 

 Cuvier. 



Huxley. 116. 



Griffith & Heufrey. 117. 



" Cuvier. 118. 



From Carpenter. 119. 



" M.-Edwards. 120. 



" Carpenter. 121. 



" Owen. 122-123. 



' Flower. 124-125. 



After M.-Edwards. 126. 



From Carpenter. 127. 



" M.-Edwards. 128. 



After " " 129. 



" Schinz. 130. 



" Cuvier. 131. 

 From Brehiu. 



After Schinz. 132-133. 



From Bream. 134-135. 



After Cuvier. 136. 



" Schinz. 137. 



" M.-Edwards. 138. 



" Wood. 139-142. 



" Andubon & Bach- 

 man. 143-144. 

 From T. R. Jones. 145-147. 

 After Audubon & Bach- 

 man. 148. 



" Schinz. 149. 



" Audubon & Bach- 

 man. 150-151. 



" Sir John Richardson. | 152. 



From Brehm. 153. 

 After Schinz. 



" Audubon & Bach- 154. 



man. 155. 



From M.-Edwards. 156. 



After Cuvier? 157-160. 



' Wood. 161. 



From M.-Edwards. 162. 



After Wood. 1<>3. 



" Schinz. 164. 



From Guyot. 



After Audubon & Bach- 



man. 



" U. S. Report. 

 " Cuvier? 

 " Schiuz. 



U. S. Report. 

 " Andubon & Bach- 

 man. 

 ' (in part) United 



States Report. 

 " Audubon & Bach- 

 man. 



" Schiuz. 

 From Brehm. 



" M.-Edwards. 

 After " 

 From " " 

 li Guyot. 

 " T. R. Jones. 

 After Wood. 

 Cuvier. 

 From Owen. 



" M.-Edwards. 

 After Allen ? 

 Schinz. 



" Audubon & Bach- 

 man. 



" Baird. 

 Schinz. 

 Buird. 

 Cuvier ? 

 Baird. 

 Audubon & Bach- 



nuin. 

 Schinz. 

 Audubon & Bach- 



man. 



From M.-Edwards. 

 At'UT Audubon & Bach- 

 man. 



" Schinz. 



" M.-Edwards. 



" Andubon & Bach- 

 man. 



" Wood. 



" Cuvier. 

 From Pop. Sci. Monthly. 



" Cones. 



" M.-Ed wards. 

 After Cuvier, 

 From M.-Edwards. 



" T. R. Joue.-. 



