INDEX. 



" ACADEMY," the, quoted, 369-371. 

 Achtysia, the genus, characteristics of 



353- 

 sEskna. grandis, described, 178 ; forci- 



pata, 178, 179. 

 Agariciis Ccesareus, the, description of, 



333. 334- 

 Agarics, varieties of, characterised, 335, 



336- 

 Agarions, the, general characteristics of 



their form, 79. 



Agarion virgo, the, described, 179. 

 Alps, the, an excursion among, 256-260. 

 Alpine snail, the, remarkable transparency 



of, 71. 

 Amanita muscaria, the, described, 328- 



330 ; its poisonous properties, 331-333. 

 Amanita solitariits, the, description of, 



33i. 

 Amphibia, the, number of species of, 361, 



362. 

 Anaximander, the author of the " Urano- 



metria," his enumeration of the stars, 



25- 



Ancients, the, their notion of the earth's 

 shape, 104-107. 



Anemones, the, blossoming time of, 157, 

 158 ; their sensitiveness to atmospheric 

 changes, 158 ; varieties of, 159 ; refer- 

 ences to, by Drayton, 159-161. 



Animal life, distribution of, 357, 366. 



Antipodes, the, existence of, believed in 

 by the ancients, 107 ; proved by Colum- 

 bus, 108, 109. 



Arabs of the desert, the, their nomencla- 

 ture for the stars, 22, 23. 



Aratus, the author of "Phenomena," 

 quoted, 22. 



Arctic vole, the, discovery of, by M. Hugi, 

 50, 51 ; described by its discoverer, 51 ; 

 examined and named by M. Martins, 



5*> 52. 



Arcturus, the star, its colour, 23. 

 Argesilaus, the author of the "Urano- 



metria," his enumeration of the stars, 25. 

 Aristotle, the Greek philosopher, his 



theory of the globe's sphericity, 106 ; on 



the mole's want of sight, 267. 

 Articulata, the, number of the species of, 



362, 363- 

 Arum, the, described, 161, 162 ; its root, 



163 ; its alimentary properties, 163 ; its 



various species, 164, 165. 

 Asterisms, origin of, 14. 

 Atmosphere, the, illumination of, 313. 

 Autumn, aspect of nature in, 366, 367. 



BAILEY, P. J., the poet, quoted, 3. 

 Balfour, Professor J. H., quoted, 208 ; on 



the diffusion of plants, 321-324. 

 Bearded pink. See SWEET WILLIAM. 

 Birds, number of the species of, 359, 360. 

 Black Hellebore, the, described, 168. 

 Boehm, M. Joseph, his theory of the rise 



of sap, 136, 137. 



Boletus, the, of the Romans, 334. 

 Boraginaceae, the, characteristics of, 239- 



241. 



