386 



NEW YORK STATE MUSEUM 



Trochoceras (Pteroceras ?) euge- 

 nium, 190 9 , 327% figure, 190. 

 expansum, 327 7 . 



gebhardi, 107 5 , 111 1 , 132 3 , 318 4 ; fig- 

 ures, 110. 



obliquatum, 327 7 . 



orion, 327 G . 



pandion, 327 6 . 



turbinatum, 3 18*. 

 Tropidoleptus carinatus, 214 2 , 223 3 , 



266 7 , 2 66 s , 270 5 , 273°, 273 s , 292", 



330 3 , 332 2 ; figures, 217. 

 Tully limestone, 222 6 . 



Ulrich, cited, 104 4 , 170 9 , 178 s , 235 s . 

 Uncinulus abruptus, 145°, 289 s , 296 9 , 



322 1 ; figures, 145. 

 campbellanus, 155 9 , 28 P, 289 2 , 300°, 



30 6 4 , 307 2 , 307 7 , 323 7 ; figures, 



156. 



mutabilis, 137 7 , 250 2 , 283 7 , 290 3 , 

 297 7 , 309 9 , 319 9 , 320 6 ; figures, 

 138. 



nobilis, 155 9 , 289 2 , 307 2 , 323 7 ; fig- 

 ures, 156. 



nueleolatus, 145°, 281 s , 296 9 , 308 9 , 

 309*, 309°, 322 1 ; figures, 144. 



pyramidatus, 283 7 , 296°. 



vellieatus, 145 9 , 280 4 , 2"8P, 285 7 , 

 289 s , 296°, 307 9 , 322% figures, 

 146. 



Unconformities, 9 P. 



Upper Helderberg group, 133 9 . 



Utica formation, thickness, 99 4 . 



van Ingen, G., cited, 116 2 , 13 P, 302 9 r 



304 9 , 306 7 , 307 4 , 308 7 , 310 8 , 311% 



31P, 316 2 . 

 Vanuxem, cited, 290". 

 Vermipora robusta, 324 2 . 



serpuloides, 324 2 . 

 Vernon shale, thickness, 120 6 . 

 Vromans Nose, 79% section of. 207 7 - 



68 7 . 



Vroman's quarry, section in, 237 7 — 

 39 7 ; section of syndicate quarry ira 

 the hillside behind, 249 1 -5P. 



Walcott, cited, 286\ 

 Waterlimes 128 3 . 

 Weller, cited, 22 8 2 , 228 s . 

 West hill, 79 1 ; general section. 253 7 - 

 57 9 . 



Whitfieldella cf. nitida, 30P. 



nucleolata, 108 s , 2 39 3 , 317 9 , 3 1 9 1 ,-. 

 figure, 109. 

 Wilbur limestone, 125 s , 13P, 313 2 . 

 Williams, H. S., cited, 172 9 . 

 Wilson, Alfred W. G., cited, 128% 



345 9 . 



Wilsonia ventricosa, 155 s , 289 2 ; fig- 

 ures, 156. 



Zaphrentis sp., 193 7 , 295 6 , 298 s , 31 1% 

 corniculum, 294 9 . 

 gigantea, 294°. 



prolifica, 195 7 , 328 2 ; figure, 194. 



