INDEX. 



A. 



Aberrant circles explained, 523. 

 328. Groups, characters of, 249. 

 Various, compared, iSS. 



Accentor modularis, 289. ' 



Acrita, their diversity explained, 

 209. 



Affinity, three relations of, 233. 



African animals in general, 91. 



America, temperate, 62. 



American animals generally, 56. 



Amphrisius Priamus, 54. 



Analogical tables : — Insessores and 

 Aves, 231. Raptores and Inses- 

 sores, 239. Tenuirostres and 

 Conirostres, 297, £98. Merulida; 

 and Aves, 332. 



Analogical tests of circles, 333. 



Analogies, difl'erent modes of stat- 

 ing, 296. True and false, 241. 

 Of the MerulidsB, Si'2. 



Analogy, theory of, 288. 296. 



Analogy and affinity illustrated, 

 231. 



Animal geography, different opi- 

 nions upon, 4. First divisions 

 of, 16. 



Animals of Europe, 18. Asia, 43. 

 Africa, 91. America, 56. Aus- 

 tralia, 114. 



Ants of Africa, 98. 100. America, 

 87. 



Aquatic or natatorial forms, 249. 



Arctic America, 58. 



Arctic Europe, 30. 



Arctic regions, animals of, 17. 20. 



Aristotle, system of, 134. 



Artificial systems, 125. 



Australian animals generally, 114. 



B. 



Binary systems, 193. 



Birds, class of, illustrated, 237. 



Birds of Europe, 19. Feet of the 



orders of, 35y. 

 Brazil, general view of, 73. Quadra. 



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

 tiles of, S3. Insects of, 84. Shells 



of, 88. 



Camelopardalis, two species of, 95. 

 Central Asia, 46. 

 Central Europe, animals of, 33. 

 Central group of Fries, 216. 

 Characters of species, 274. 

 Chilopoda and Thysanura, 217. 

 Circular arrangement of the animal 



kingdom, 203. Theory explained, 



20-2. 320. 

 Circular arrangement of the class 



Aves and genus Parus, 293. La- 



niaila and Merulidae, 2.34. Meru- 



lida, 331. 

 Classification, first laws of natural, 



224. 

 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. Laniada? and 

 the Merulidae, 234. Merulidse, 

 331. 



Dichotomous systems, 193. 



Divisions of a circle, 227. 322. 



Dodo of Madagascar, 112. 



Entomology of troniral AfVlca, 98, 

 Equinoctial .\trioa, yj. 



