INDEX. 
741 
Tyndall (J.). The Optical Deportment of the Atmosphere in relation to the Phenomena of Putrefac- 
tion and Infection, 27. — Partial discussion of the results, 42; suspended particles, their I’elation to 
Bacteria, 43 ; experiments with filtered air, 48 ; with calcined air, 50; the germ-theory of contagious 
disease, 52; experiments of Pasteur, 69; Mr. Ballinger’s observations, 72; action of Bacteria 
upon a beam of light, 72; fluorescence of infusions, 73. 
Y. 
Vanadium, physiological action of, 495. 
Viscosity of an apparent vacuum, 362. 
W. 
Watney (H.). The Minute Anatomy of the Alimentary Canal, 451 (for contents see p. 451). 
Willemoes-Suhm (R. von). On the Development of Lepas fascicularis and the “ Archizoea ” of Cirri- 
pedia, 131. — Development of the egg and of the youngest Nauplius stage, 132; the successive 
Nauplius stages, 135 ; the Cypris stage, 144; the metamorphosis of the Cypris into the Lepas, 148 ; 
conclusion, 149 ; description of the plates, 149. 
Williamson (W. C.). On the Organization of the Fossil Plants of the Coal-measures. Part VII. — 
Myelopteris, Psaronius, and Kaloxylon, 1. 
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