«8G 



NEW YOKK STATE MD8EDM 



Calciferous lime, GOO*. 

 C'allojrrapius, r»71', 571*. 

 .N/>. noi\ 570^ 

 (lifTiisus, 570'. 



salteri, 55ir, uG4*, 555', 505". 

 Caiiuirocriuus, 650*. 

 Cam a rot ocelli a allegauia, 527'. 



coutracta, 52t5\ 

 Oauibilc, iu eastern North America, 



G35''-37'. 

 Cambric aud .siliirie,liue of division, 



53(.^'. 

 Campbell, M. K.. referred to. 441», 



W5*. 

 Canaudaij,nia lake region, paleon- 

 tologie and stratigranUic map, 

 42ir-24'. 

 Carbonic strata, 050 -5i>. 

 Carbonic and Devonic, line of di- 

 vision, 524\ 

 Canliocaris, 0<-M5-15. G10\ 

 Carruthers, cited, t50r. 

 Caryoearis, sp. 554'. 

 cmvilatns. 550". 

 if. oblongus, 55G'. 

 Cashaqua shale, 617'. 

 Catalogue of type specimens, 444*- 



4«r; of fossil faunas, 446'. 

 Catskill formation, 524', 671«. 

 Cattaraugus betls, 525'. 

 < 'ayugan emergence, 648*. 

 Tephalopods, 4:io*. 

 <'cratodictya annulata, 624'. 

 Chazy basin, («8\ r>39*. 

 Chazy limestone. G30'; study of 



fauna, 427*. 

 <'hemung beds, traverses of, 524\ 

 <^'heinung group, fossil alga, 5113-605; 



fauna. 671»-72\ 

 Chickamaugua limestone, 645'. 

 <;hilhowee l>arrier. 638*. 

 Chiropteris reichii, 5J>9*. 

 Chonetes, 62;r, 628». 



scitula, 526*, 527\ 

 Chonostrophia ••omplanata, 65.3*. 

 Christiania, VAV. 

 Cimitaria corrugata, 624'. 

 Cladochonous. ii2s\ 628'. 

 Clarke, John M.. field work. 42.V; 

 report on contact lines of upi»er 



Siluric formations on Brockport 

 and Medina quudrangles, 517-23; 

 Preliminary statement of the 

 paleontologic results of the areal 

 survey of the Glean quadrangle, 

 524-28; a new genus of paleozoic 

 brachiopods, Euuoa, 606-15; cited, 

 610', 62<J', 622*. 655«, 656»; on 

 fauna of beds in Naples section. 

 630-31; The indigene and alien 

 faunas of the New York Devonic, 

 664-72. 

 Classification of rocks of North 

 America, proposed revision, 65d'. 

 Climacograptus, 569^ 571', 573', (JOS'. 



sp. NOV. 571*. 

 Climactichnites, 544'. 

 wilsoni, 539', 545\ 

 Clinch sandstone, (M5'. 

 Clinton beds, limestone lenses in, 

 428'-31'; exposures, 517', 520=, 522\ 

 Clonograptus, 56r, 568', 581', 583% 

 586^ 588^ 

 flexilis, 582', 582». 

 rigidus, 582\ 585*. 

 Coenograptus, 581% 584'. 

 (/en. tiov. et sp. nov. 566'. 

 gracilis, 583% 

 Conocephalites verrucosus, 534% 



534% 540^^. 545% 

 Con-alline limestone, 650". 

 Corals, memoir on, 442% 

 Crenipecten. 526\ 

 Cryptograptus, 569% 571% 573% 



antennarius, 439% 570=, 571% 

 572", 574'-. 

 Ctenodus, 528% 528*. 

 Ctenograptus, 581% 

 Cuba sandstone. 525% 

 Cumberland basin. 638% 645', 047% 



649% 653% 

 Cushing, cited, .1.38=, 542% 

 Cy rtoclymenia, 656% 



Dale, T, Nelson, investigations car 



ried on by, 550*; cited, (>43«. 

 Dalmanites limulurus, 517% 

 Dames, cited, 611'. 

 Dana, cited, 046*. 651% 

 Darton, cited. 6."V4% 



