Wolfs jaw 148 f 



Women, supposed deprav- 

 ity of 794 



\\nol on unborn infants-- 50 I 

 Worm, chaetopoda - 142 

 made up of separate 



animals 142 



Wormiana ossa. . .367 



Worms cestodes, neina- 



todes, tape worms. 190 



Worship 1012 



Wright, Caleb, on India-. 194 



Index. 



Y 



Yeast cells differ in differ- 

 ent liquids. 255 



Yeast plant 219 



affected by poisons. .220 



digested by its own 



ferment. 220 



imitated by acids. . 220 



- respiration of 219 



Yelk sac, bag of nutrition 

 for embryo 17 



1067 



Yellow fever 262 



fatalities 263 



at Memphis. 267 



Youman's chemistry 181 



Z 



Zona pellucida, transpar- 

 ent yirdle 11 



Zoophites, pfantf animals, 73 

 Zymase, ferment 218, *225 

 ZYMOTIC AND GERM DIS- 

 EASES 254 



