Index. 



023 



Viviparus? 428 



Walcott, Ur. C. D.,412, 415, 587. 588 



Ward, Henry, 464 



Wasatch limestone, Utah, 424 



Washington, I'a., 5 



W^ehstei", F. S., 3 



West Augusta, Pa., 235 



Whiteavesia? expansa, 534, 565 

 undatum, 567, 578 



W'hiteaves, [oseph F. , 330 



Whitfieldi, R. P., 587, 592 



White, Theodore G., 590, 593 



Williams, H. S., 176 



Williamson, E. B., 387, 390, 392, 397, 

 399, 401, 440 



Wirtner, P. Modestus, O. S. B., Hemip- 

 tera of Western Pennsylvania, A Pre- 

 liminary List of, 1S3-232 



Woodward, Dr. Arthur Smith, 234, 449 



Worm tubes, So 



Xcnetus scutellatus, 201 

 Xerophlcca viridis, 220 

 Xestocejihalus ]iulicarius, 221 

 tessellatus, 221 



Yellowstone National Park, 418, 424, 



426 

 Yohogania County, 5 



Zaitha lluminea, 208 

 Zaphrentis, 418, 422, 423 



dalei, 422 

 Zeigler's Canon, Montana, 425, 428 

 Zelus exsanguis, 206 



luridus, 206 

 Zosteropjdre, 462 

 Zosterops flavilateralis, 462 

 Zygospira? acutirostris, 503, 513, 527, 



535, 536, 537, 541, 542, 547, 55°, 



551, 554, 556, 576 



