146 



NEW YORK STATE MUSEUM 



Climacograptus 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 

 wtwf. 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 

 Conularia, 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, 6o,*6i, 63, 64 

 curtus, 12, 14 

 gracilis, 33, 63 



Corynotrypa inflata, 21 

 Cremacrinus, sp., 59, 61, 86 

 Crescent, 31 

 Crinoid joints, 42, 49 

 Crinoid segment, 21, 43 

 Cryptograptus tricornis, 59, 64, 65 



mut. insectiformis, 61, 63 

 Ctenobolbina ciliata, 62 

 var. cornuta, 62 



subrotunda, 60, 62 

 Ctenodonta $/>., 23 



calvini, 102 



declivis, 60, 62, 101 



fecunda, 103 



levata, 60, 62, 100 



medialis, 103 



nuculiformis?, 22, 23, 25 



obliqua, 101 



prosseri, 60, 62, 101 



radiata, 60, 62, 102 



recta, 60, 62, 102 



scofieldi, 101 



subcuneata, 60, 62, 103 



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

 15, 17, 1 8, 20, 29, 38, 39, 42, 43 



Cuneamya acutifrons, 60, 62, 106-7 



figure, 1 06 

 scapha, 107 



Gushing, H. P., cited, 72, n, 21, 27, 



35, 59, 69 

 Cyathodictya, 27 



reticulata, 77 



tubularis, 24, 25, 75-77 



figures, 76 

 Cyathophycus, 9 



reticulatus, 27 

 Cyclonema cushingi, 60, 62, no-u 



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 



Barton, N. H., cited, 71, 10 

 Dawsonia campanulata, 61 

 Dean, Bash ford, acknowledgments 



to, 6; mentioned, 74 

 Delanson, 45 

 Dendrograptus, 9 

 Dettbarn quarry, 42 

 Dicranograptus nicholsoni, 27, 28, 



32, 51, 52, 59, 60, 6.1, 63, 78 

 var. parvulus, 15, 16, 78-80 



figure, 79 

 ramosus, 8 

 Dictyonema arbuscula, 51, 52, 77-78 



figures, 77 



multiramosum, 48, 50, 78 

 figure, 78 



