M:W YORK STATE MUSEUM 



Gonin|»li()i;i ,s7>.. '.V.il^. 



alata. 320«. 



•rlaiica, :i'M)\ 



liaiuiltoncnsis. 2(i2'. 2i\r>\ IMV. 3;.'0 



pt'ianjriilata, IS:}'. IIHV-, fijruit's, 

 185. 



lun-osa, 20 P, 330". 



tnuu-ata. 2G2', 330'. 

 Gosselctia tri»|U(lr;t. 330\ 

 Grabau, A. \\".. cilcl. lo.V. 132'. ITS', 



298^ 340". 

 Gianniiysia sp., 304*. 



alvcata. 221', 33P; figures. 21S. 



artuata. 331". 



l)i.siilcat<a, 265^ 33 P. 



circiilaris, 331-. 



constricta, 33 P. 



(Sphenomya) ciineata. 27 1\ 332'. 



electa, 531". 



globosa, 331-. 



lirata, 33 P. 



obsoleta, 33 P. 



praeciirsor, 326". 



subarcviata, 332^ 



zonata, 33P. 

 Greenfield limestone, 120'\ 

 Guelph dolomites, thickness, 120''. 

 Guyot, Arnold, on physical geooraphy 



of the Schoharie valley, H0--S1'; 



cited, 83-. 

 Gyroceras sp., 318*. 



matheri, 204\, 328'; figure. 203. 



paucinodum, 204', 328"; figures, 

 204. 



spinosum, 190", 327"'; figures. 189. 



trivolve, 200", 204% 328°; figures, 

 202. 



uiidulatum, 204-, 204'. 328''; figure. 

 203. 



validuin, 327". 



Hall, James, cited, 82\ 82 '-83', 83\ 



105% 188". 

 IFal.vsites catenularia rar., 318\ 



catenulatus, 132', 313', 317". 

 var., 125"; figure, 125. 

 Hamilton formation, 207', 212"-13^, 



251", 258«, 272^ 274", 284', 28^)^ 



287", 292^-93-, 303'-4*; thickness, 



213^': fossils, 213*-23*, 23P, 261% 



265', 268% 273", 288', 329'-3P; 



(juarries, 356'. 

 Hamilton time, paleogeographic map, 



232. 

 Hancock limestone, 174*. 

 Harris, G. D., cited, 85", 286", 290\ 

 Hartnagel, C. A., cited, 85% 103', 



in3"-4-. 104*, 104". 105% 107-, 108% 



125% 131% 131', 132% 172\ 2.36', 



239'. 311". 313', 317': mentioned, 



239''. 

 Hausmannia concinna. 327". 

 Heck, E. 11.. acknowledgments to, 



81". 

 Hederella sp., 317'. 

 IIeldcrl)erg Cement Co.. sectioii of 



strata at quarries of, 259^-60% 

 Ifcldcrberg formation, 133% 17 P. 

 Ilelderbergs, characteristic sections in, 



279--316°; sonthern, general sec- 

 tion of strata, 302'-16*. 

 High Falls shale, 124% 313'. 

 llindia fibrosa, 306% 308% 309% 309% 



309". 

 Kipparion%^ proximus, 159% 174% 



281% 288% 305% 324"; figures, 159. 

 Hollick, cited, 17 P. 

 Holopea antiqua, 31 P. 



elongata, 311% 3 IP, 319% 323% 



pervetusta, 3'10". 



subconica, 310". 

 ITonialonotus sp., 318'. 



dekayi, 222% 331"; figure, 220. 

 Homocrinus scoparius, 319% 320% 

 Hormotoma sp.. 310% 31P. 

 Hud-^on river Ixds. 131'. 2S(i''. 3(»2-. 



316'. 

 ll.\()litlius ligoa. 326'. 



|)rincipalis. 326". 



Ichthyorachis nereis, 321% 

 llionia cf. canadensis. 318'. 



galtensis, 318'. 



sinuata, 318'. 

 Indian Ladder section, 283^-86". 

 Ingraliain. H., cited. 294*. 

 Iron pyrites, 361*-62% 



