284 



NEW YORK STATE MUSEUM 



Tellina virginica, 247^ 

 Temiscaming, lake, Niagara beds, 



Terrapin rocks, ii^, 12". 



Three Sister islands, 11'; illus. facing 



p. 80. 

 Thysanocriniis, I55*-56^ 



liliiformis, 155", 156". 

 Tilting of the land, 65'". 

 Tonawanda creek, 29". 

 Tonawanda valley, 53^-54^ 

 Trematopora, i66''~6/''. 



granuiilera, i64'^~-65\ 



ostiolata, 164^. 



sparsa, 162^ 



spiniilosa, i66l 



(?) striata, 167-. 



tuberculosa, i66'-6y~. 

 Trematospira, 20i\ 



camura, 20I^ 

 Trent river, 62''. 

 Trilobita, loi", 22o'-26^ 

 Trochoceras, 2i7'-i8'. 



gebhardi, 2i7'*-i8'. 

 Tyndall, John, cited, 260'; cjuoted, 

 8^ I3^ 



Unconformity of relation between 



newer and older strata, 3i''-32\ 

 Unio, 25il 



calceolus. 250". 



coccineus, 252^ 



ellipsiformis, 249^ 



gibbosus, 25I^ 



nasuta, 25 1^ 



recta, 248"-49l 



solidus, 25i"-52^. 



spathulatus. 249^. 

 Unionidae, 68''. 

 Upham, Warren, cited, 260^-61^, 46\ 



49^, 64\ 83^*; mentioned, 6', i8\ 

 Utica shales, ^s^. 



Valvata, 242'■'-43^ 



sincera, 243^ 



tricarinata, 243\ 

 Views, from New York side, 9''-i2-; 

 from Canadian side, I2'-I3°. 



Wag-g-oner's hotel, I5^ 



Walker, A. E., cited, 261". 



Walker, Bryant, acknowledgments 



to, 238^ 

 Warren, lake, glacial, 58^ 

 Water, a geologic agent, 3f7*. 

 Waterlime, 29', S3\ II5^ Ii5'-l6'', 128'. 

 Webb, Capt., fatal swim, I4^ 

 Weller, Stuart, cited, 261°, 1271 

 Westgate, L. G., cited, 261', 46^ 49^ 

 Whirlpool, 14", 76'-8o^; illus. facing 



p. 76; shell-bearing gravels, 238^ 

 Whirlpool rapids, 14', I6^ 85^; illus. 



facing p. 78. 

 Whitfieldella, 97'; 20i'-4'. 



cylindrica, 203"-4". 



intermedia, 97^ ioo\ 203*. 



laevis, .204". 



nitida, lOO", loo^ 202". 



oblata, 100^ 103*, 202^ 



oblata, 100", 203\ 



rotundata, 204'. 



sulcata, 204". 

 Wilson, A. W. G., cited, 36'. 

 Winchell, A. N., cited, 261'. 

 Wintergreen fiat, 71', 73'; illus. fac- 

 ing p. 72. 

 Woodward, R. S., cited, 26i\ 

 Worthen, A. H., cited, 26i\ 

 Wright, G. F., cited, 262', 84'; men- 

 tioned, i8\ 



Zaphrentis, 137^-381 



turbinata, 137". 

 Zoognosia, I43\ 



