236 



NEW YORK STATE MUSEUM 



Pterygoinetopus, 64 4 -70 3 



callicephalus, 12-, 14*, 34 2 , 48% 



69 3 , 70 1 , 95 5 , 96 2 , 97 T , 98 4 

 eboraceus, 69\ 99?, 99 s , 99° 

 explanation of plate, 213 3 

 Fterygotus, 201 3 

 Ftychopteria, 197 2 , 197 7 

 Ptychopyge, Gl 2 

 Pugnax utab, 163 4 



Rafinesquina, 16* 



alternata, 7 3 , 9 7 , 16 4 , 17 4 , 95\ 97 9 

 explanation of plate, 208 2 



altewnata loxorbytis, 16 7 



oameraia, 17 2 , 17* 



deltoidea, 12 T , 17 1 , 99 2 , 99 4 

 Raphiophorus, 5l 7 



setirostris, 51 7 

 Reddish gray compact limestone, 

 fauna, 9 3 , 90"-91 2 , 92 3 -94 3 , 97 6 -101 2 , 

 107 6 

 Reed, F. R. C, cited, 58 7 

 Remele, cited, 51 2 

 Remopleurides, lO 1 , 24 7 , 54 c -55 9 , 105 8 



affinis, 55 7 



canadensis, 5S\ 5S° 



colbii, 5o 7 , 5S V 



doirsospinifer, 58 5 



laterispinifef, 58"' 



linguatus, 54 7 , 56-59 1 , 74 1 

 explanation of plate, 211 3 



striatnlns, 55 6 , 58 1 , 58 4 , 105 9 



tuberculatus, 58 7 , 59 1 



tumidus, 54 6 -55 9 



explanation of plate, 212 2 

 Rensselaer county, Trenton con- 

 glomerate of Rysedorph bill and 

 its fauna, 3-114 

 Reptaria, 156 4 



stolonifera, 133 2 , 143 3 , 151 5 , 156* 

 Reticulata, 165 5 



fimbriata, 150 7 , 151 9 , 165 5 , 175 6 , 

 177 1 

 Rliipidomella, 161 7 



cyclas, 132 s 



vanuxemi, 132 s , 151 T , 152 s , 161 8 

 Rhyncbonella pugnus, 126 5 

 Roemer, Ferd, cited, 43 6 , 186 7 

 Rolfe, 0. A., cited, 185 4 

 Romingeria, 133* 



Ruedernann, Rudolf, Trenton con- 

 glomerate of Rysedorph hill, 

 Rensselaer co. N. Y, and its 

 fauna, 3-114; cited, 121 9 



Rysedorph hill, Rensselaer county, 

 Trenton conglomerate of, 3-114 



Sagenaria, 201 s 



Salter, cited, 35 3 , 43°, 44 3 , 44 5 , 53 4 , 



58 5 

 Sardeson. F. W., cited, 19 3 , 27 3 , 94° 

 Schizobolus. 157 1 



concentricus, 147 3 

 truncatus, 134 6 , 157 1 

 Schmidtella, 75 1 



crassimarginata, 9 3 , 75 2 



var. ventrilabiata, 75\ 98 n , 

 218 7 

 Schodack Landing, intercalation of 

 conglomerate bed in Normans kill 

 graptolite shale, 7 1 

 Schoharie county, Agoniatite lime- 

 stone, 123 e -24 4 

 Schuchert, Charles, acknowledg- 

 ments to, 157 9 ; cited, 10 9 , 17 T , 17 s , 

 19% 25 6 , 26\ 26 5 , 2G 7 , 27 3 , 27 4 , 67 T , 

 94°, 106 3 

 Scofield, cited, 3F, 33 7 , 35 :! , 35 7 

 Sedgwick, cited, 47°, 67° 

 Seely, cited, ll 5 

 Siphonotreta, 14 2 



minnesotensis, 14 3 



explanation of plate, 206 5 

 cf. minnesotensis, 95 3 

 Sphaerocoryphe, 67 S -68 T , 105 s 

 major, 41 6 , 67 8 -68 s 



explanation of plate, 213 : 

 robustus, 67 s , 68\ 105 9 



explanation of plate, 213 2 

 Sphenopteris, 20l 3 

 Spirifer, 124 1 , 165 1 



audaculus, 132 4 , 135 9 

 , fimbriatus, 132 4 , 134 3 , 150 7 , 151 9 

 mucronatus, 134 3 , 149 5 , 149 s , 



150 3 , 150 7 , 165 1 

 subumbona, 132 4 , 134 3 , 146 s , 

 147 6 , 148 1 , 148 s , 149 s , 151 9 , 

 165 3 , 175 5 

 Spirorbis, 130 s , 133 5 , 155 s , 172' 

 sp. 148 3 , 151 4 , 152 7 , 155 s 



