146 



NEW YORK STATE MUSEUM 



Climacograptiis scharenbergi, 59, 61, 

 63, 64, 65 

 spiniferus, 18, 19, 20, 26, 27, 32, 



33, 34, 44, 61, 63, 84-85 

 typicalis, 12, 19, 20, 27, 28, 29, 35, 



36, 41, 42, 46, 47, 48, 49, 52, 54 

 ^;/m/. spinifer, 63, 84 

 Clitambonites americanus, 60, 61, 94.- 



95 



var. altissima, 95 

 diversus, 94 

 diversus-rogersensis, 94 

 Cobleskill, 46, 57 

 Cohoes, 9, 30 

 Conrad, cited, 97 

 CorAilaria, 10 

 hudsonia, 116 

 trentonensis, 50, 115 



var. multicosta, 42, 46, 49, 62, 

 115-16 

 Corynoides sp., 59 

 calicularis, 2, 15, 16, 17, 19, 20, 22, 

 23, 24, 26, 27, 28, 30, 31, 32, 33, 



34, 60, 61, 63, 64 

 curtus, 12, 14 

 gracilis, ^Z, 63 



Corynotrypa inflata, 2: 

 Cremacrinus, j/*., 59, 61, 86 

 Crescent, 31 

 Crinoid joints, 42, 49 

 Crinoid segment, 21, 43 

 Crj-ptograptus tricornis, 59, 64, 65 



mitt, insectiformis, 61, 62, 

 Ctenobolbina ciliata, 62 

 var. cornuta, 62 



subrotunda, 60, 62 

 Ctenodonta sp., 22 



calvini, 102 



declivis, 60, 62, loi 



fecunda, 103 



levata, 60, 62, 100 



medialis, 103 



nuculiformis?, 22, 23, 25 



obliqua, loi 



prosseri, 60, 62, loi 



radiata, 60, 62, 102 



recta, 60, 62, 102 



scofieldi, loi 



subcuneata, 60, 62, 103 



Cumings, E. R., cited, 71, 72, 10, 

 15, 17, 18, 20, 29, 38, 39, 42, 43 



Ctineamya acutifrons, 60, 62, 106-7 

 figure, 106 

 scapha, 107 



Cushing, H. P., cited, 72, 11, 21, 27, 



35, 59, 69 

 Cyathodictya, 27 



reticulata, yy 



tubularis, 24, 25, 75-77 

 figures, 76 

 Cyathophycus, 9 



reticulatus, 27 

 Cyclonema cushingi, 60, 62, iio-ii 



hageri, no 



montrealense, 60, 62, no, in 

 Cyclospira bisulcata, 61 

 Cyphaspis hudsonica, 117, 118 



matutina, 117 

 Cyrtoceras sp., 42, 49 

 .Cyrtolites sp., 42 



cf. ornatus, 49 



trentonensis, 63 



Dalmanella futilis var. 22 

 multisecta, 51 



testudinaria, 10, 23, 25, 26, 33, 34, 

 35, 36, 42, 43, 49, 60, 61 

 See also Orthis (Dalmanella) 

 testudinaria 

 Dalmanites, 52 



( Pterygometopus ) callicephalus, 

 22, 52 

 Darton, N. H., cited, 71, 10 

 Dawsonia campanulata, 61 

 Dean, Bashford, acknowledgments 



to, 6; mentioned, 74 

 Delanson, 45 " 

 Dendrograptus, 9 • 

 Dettbarn quarry, 42 

 Dicranograptus nicholsoni, 27, 28, 

 32, 51, 52, 59, 60, 61, 63, 78 

 var. parvulus, 15, 16, 78-80 

 figure, 79 

 ramosus, 8 

 Dictyonema arbuscula, 51, 52, 77-78 

 figures, yy 

 multiramosum, 48, 50, 78 

 figure, 78 



