556 



Viviparidse, 470t. 

 vulgaris, Arcella, 4511. 



W 



Wall-eyed Pike, 503*. 

 Walnut, Black, 301. 



Caterpillar, experiments with 

 Disease of, 301, 312, 320. 

 Water Beetles, 4421, 467t. 



bugs, 484t. 



mites, 4S8t, 467t. 



skippers, 4841. 

 Watson, Sereno, 2. 

 Wheat, rust of, 145. 

 Wheel-animalcules, 4881- 

 Whipple], Notropis, 500* 

 White-fish, 4341,4.36,497. 



Fulton, 45(3*. 



Sucker, 442*, 444*. 

 Williston, S. W., 444. 

 Winged Ants, 4371. 

 Winter, G., Revision of Raben- 



horst's Pilze cited, 148. 

 Wolffia, 439t, 442t, 44 3t, 449t, 454t, 

 459t, 460t. 469t, 471t, 473t, 

 49 If. 

 Wood Louse, Water, 4871. 



Woodworth, C, W., on Disease of 



Silkworm, 278. 

 Worm, nematoid, 461t. 

 planarian, 4631, 4891- 



Yeast remedy for European Cab- 

 bage Worm, 207. 



Yellow Catfish, 4591, 462* 463*. 

 -necked Apple Caterpillar, 

 disease of, 258. 259, 295-300, 

 320. See Disease of Yel- 

 low-necked Apple Caterpil- 

 lar. 



Zebra Caterpillar, infection of, 305, 

 320. 

 summary of observations 

 and experiments, 311, 

 320. 

 Zeiss, Carl, 273. 



Zygonectes notatus and Labides- 

 thes, food of, compared, 

 499. 

 Zygospora, 11. 



