366 
European animais, 1. 
External affinities, 235. 
F. 
Fabricius, system of, 189. 
Facts, the observation of, 309. 
False circles, 3). ; 
Familiar conversation with begin- 
ners, 353. 
Field naturalist’s occupations, 501. 
First principles to be learned, 318. 
Fries, system of, 213. 
G. 
Genera of African animals, 112. 
Asiatic animals, 55. American 
animals, 89. Australian animals, 
120. European animals, 42. 
Genus, a natural, illustrated, 210. 
Meaning of the term, 347. a 
Group, meaning of the term, 526. 
Groups, primary divisions of cir- 
cular, 225. 
He 
Harpula vexillum, rank of, 273. 
Hedge-sparrow, its naturalandana- . 
logical characters, 290. 
Hermann, 198. 
ih, 
llliger, system of, 183. 
K. 
Kingdoms, the three, of nature, 
9, 
L. 
Lamarck, system of, 199. 
Laniada, false circles of, 335. 338. 
True circle of, 358. 
Latreille, system of, 197. 
_Laws, primary, of the natural sys- 
tem, 224. 
Leach, system of, 192. 
Linnezus, system of, 140. 
Lions, different species of, 284. Of 
Africa, 49. 
M. 
MacLeay, system of, 201. 214, 
Madagascar, animals of, 110. 
Man, variations of, 15. 
Memory te be exercised, 311. 
INDEX. 
Merulidze, the circle of the, 331.339. 
Mexican birds, 70. 
Mexico, animals of, 68. 
Myotherine, circle of, 340. 
N. 
Names of divisions in the animal 
kingdom, 343. 
Natatorial type described, 249. 
Natural system, the primary laws, 
224. 
Natural systems, requisites of, 128. 
196, 
Naturalists, two classes of, 301. 
New Guinea, 117. 
New Holland, 118. 
Newman, Mr., theory, 220. 
Northern Africa, 92. 
Northern Asia, 45. 
My cthemprus pictus and argentatus, 
7. 
O. 
Observation, accurate, recommend. 
ed, 305. 
Orders of birds, 344. 
Ornithology, plan for studying, 358. 
Books upon, 359. Of Europe, 
19. 
Ox and the bison, 247. 
le 
Pacific Islands, 119. 
Pariane, exposition of the, 292. 
Parus biarmicus, rank of, 271. 
Parus ceruleus, 362. 
Perseverance recommended, 307. 
Petalocerous beetles, the two first 
groups, 248. 
Podalirius Machaon, rank of, 271. 
Polyommatus, the division of, 349, 
Prichard’s, Dr., theory, 5. 14. 
Primary types of nature, 241. 
Properties of natural groups, 324. 
Q. 
Quadrupeds, works upon, 357. 
Quadrupeds of Europe, 32. 
Qualifications of a naturalist, 305. 
Quinary system explained, 205. 
a 
R. 
Rank of groups, 343. 
Ranks of natural groups, 367. 
