324 



FOKTY-NINTH EePORT ON THE 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. 

 Younp:, Henrj' L., insects from, 285. 

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

 ypsilon, Biston, 216. 



Ypsolophus contubernalellus, 267. 



pometellus, 267. 

 Yucca, Aspidiotus nerii on, 204. 



Zebra caterpillar, 265. 

 Zeller, P. C, cited, 152. 

 Zeuzera pyrin a, 265, 275. 



