INDEX. 
459 
PAGE 
Williamson, Prof., on the Sphsero- 
sira Volvox of Ehrenberg 225 
Wine, Detection of Logwood Colour 
in 309 
„ What is it? 34,151 
Wormell’s “Elementary Mechanics” 68 
„ “ Hydrostatics and Sound ” 413 
Worms, Higher, Dimorphism in the 335 
Wynter’s (Dr.) “ Curiosities of Toil” 295 
Year-book of Facts 185 
PAGE 
Yellow Fever and Earthquake 88 
Zinc, Quantity of, obtained in 1868 101 
Zodiacal Light, the 76 
Zoological Society, Prosectorship in 
the 335 
Zoology and Comparative Anatomy 
109, 221, 331, 446 
„ Manual of 298 
END OF VOL. IX. 
LONDON: PRINTED BY 
SPOTTISWOODB AND CO., NEW-STRKET SQUARE 
AND PARLIAMENT STREET 
