488 



Index. 



Ventilation of sewer?, 154, 395. 

 Yenus and the moon, comparative 



luminosity of, 78. 

 Vertebrata, *322. 

 Vertical, illuminator, 52. 

 Vinegar eels, Davaine on, 206. 

 Virginis, 139. 

 Vision under water, 470. 

 Vulpeculse,212. 



Volcanic character of the moon, 371. 

 Volcanic groups of Etna and Vesuvius, 



400. 

 Volcanoes of the sun, 166. 



Wahabee, capital of Arabia, 76. 

 Warrington's microscope improved, 80. 

 Warrington slope back tank, 262. 

 Water barometer in a thunderstorm, 



78. 

 Water shrew, 320. 



Waterspouts at Annonay, 400. 

 Wayering orchids, 404. 

 Waywiser for cabs, 312. 

 Weather, the, 100. 

 Welwitschia mirabilis, 424. 

 Winds, the, 246. 

 Wind-scales, 255. 

 Winter in South of France, 394. 

 Wire cannon, 314. 



Yellow sapphire, or Oriental topaz 

 222. 



ZlNNALIN, 312. 



Zirconium, simple mode of obtaining, 



309. 

 Zodiac, Mexican, 1. 

 Zoology. — See Natural Histoby. 

 Zoological literature, record of> 391. 

 Zoological Society, 157, 478. 



1TARKILD, rniMTF.S, I.ONDOW. 



