INDEX. 



A. 



ABERRANT circles explained, 323. 

 328. Groups, characters of, 249. 

 Various, compared, 253. 

 Accentor modularis, 289. . 

 Acrita, their diversity explained, 



209. 



Affinity, three relations of, 233. 

 African animals in general, 91. 

 America, temperate, 62. 

 American animals generally, 5b. 

 Amphrisius Priamus, 54. 

 Analogical tables : Insessores and 

 Aves, 231. Raptores and Inses- 

 sores, 239. Tenuirostres and 

 Conirostres, 297, 298. Merulidaa 

 and Aves, 332. 



Analogical tests of circles, 333. 

 Analogies, different modes of stat- 

 ine 296. True and false, 241. 

 Of 'the Merulidae, 3^2 

 Analogy, theory ot, 288. -96. 

 Analogy and affinity illustrated, 



Animal geography, different opi- 

 nions upon, 4. First divisions 



Anfm^is of Europe, 18. Asia, 43. 

 Africa, 91. America, oo. Aus- 



Ants'S Africa, 98.100. America, 



Aquatic or natatorial forms, 249. 



Arctic America, 58. 



Arctic Europe, 30. 



Arctic regions, animals of, I7- 20. 



Aristotle, system of, 134. 



Artificial systems, 125. 



Australian animals generally, 115 



B. 



Binary systems, 193. 



Birds, class of, illustrated, 237. 



Birds of Europe, 19. Feet of th 



Braz4,gener*l view of, 73. Quadru 



peds of, 77. Birds of, 80. Rep. 

 tiles of, S3. Insects of, 84. Shells 

 of, 88. 



C. 



Camelopardalis, two species of, 95. 

 Central Asia, 46. 

 Central Europe, animals ot, 33. 

 Central group of Fries, 216. 

 Characters of species, 274. 

 Chilopoda and Thysanura, 217. 

 Circular arrangement of the animal 

 kingdom, 203. Theory explained, 

 202. 320. 



Circular arrangement of the class 



Aves and genus Parus, 293. La- 



niadae and Merulidae, 234. Meru- 



lidse, 331. 



Classification, first laws of natural, 



24. 

 Collecting, plans for, recommended, 



310. Hints for, 315. 

 Colour of species, 279. 

 Comparison of groups, 330. 

 Creation must have a plan, 319. 

 Crow, qualities of, 243. 

 Cuvier, system of, 170. 



D. 



De Geer, system of, 187. 



Denomination of groups, 325. 



Dentirostral birds, remarks upon, 

 361 



Diagrams of the first divisions of a 

 circle, 227. Of the animal king- 

 dom, 203. Of the class Aves and 

 genus Parus, 293. Laniadae and 

 the Merulidae, 234. Merulidae, 



QQ1 



Dichotomous systems, 193. 

 Divisions of a circle, 227. 322. 

 Dodo of Madagascar, 112. 



Entomology of tropiral Africa, 98. 

 Equinoctial Africa, t6. 



