324 



NEW YORK STATE MUSEUM 



Year Book of the United States De- 

 partment of Agriculture, cited, 233. 

 Yellow ant, 273. 

 jacket, 264. 

 Yellow-necked apple-tree worm, 264. 

 Younjf, Henry L., insects from, 285. 

 Young, J. N., insects from, 287. 

 ypsilon, Biston, 216. 



Ypsolophus coutubfrnalellus, 267. 



pometellas, 267. 

 Yucca, Aspidiotus nerii on, 204. 



Zebra caterpillar, 265. 

 Zeller, P. C, cited, 152. 

 Zeuzera pyrin a, 265, 275. 



