74 



NEW YORK STATE MUSEUM 



Prattsburg sandstone and shale, 6, 



3S-39; thickness, 39. 

 Primitia, 48. 



clarkei, 42. 



seminiilus, 52. 

 Primitiopsis punctulifera, 45, 52. 

 Prioniodus erraticus, 62, 



spicatus, 62. 

 Probeloceras lutheri, 58, 61, 62. 



? naplesense, 61. 

 Productella, 22, 34, 36. 



dissimilis, 64. 



lachrymosa, 63, 64. 



navicella, 43, 48, 49. 



papulata, 51, 55. 



shumardiana, 43, 46. 



Sipeciosa, 62. 64. 



spinulicosta, 46, 48, 51, 53. 

 milt, pygmaea, 58. 



tiillia, 49. 

 Proetus clarus, 42. 



crassimarginatus, 42. 



folliceps, 42. 



macrocephalus, 45, 47, 48, 50, 51. 

 52, 54. 



microgemma, 42. 



OAifrons, 42. 



rowi, 47, 52. 



stenopyge, 42. 



verneuili, 42. 

 Protocalyptraea marshalli, 61. 



styliophila, 59. 

 Protonj'mpha, 35. 



devonica, 63. 

 Protospirialis, 62. 



minutissima, 61. 

 Pterinea sp., 64. 

 Pterinopecten conspectus, 53. 



exfoliatus, 45. 



hermes, 53. 



insons, 43. 



intermedins, 58. 



regularis, 53. 



nndosus. 43. 

 Pterochaenia fragilis, 26, 45, 46, 58, 



59, 60, 61. 62. 



var. orbicularis. 61. . 



perissa, 61. 



sinuosa, 59. 



Pteropods, 42, 45, 49, 51, 52, 54, 57, 



61. 

 Pterygotus, 8. 

 Ptilodictya plumea, 53. 

 Ptychophjilum striatum, 44. 



Raymond, Percy E., mentioned, 52. 

 Receptaculites sp., 64. 

 Reptaria stalonifera, 46. 

 Reteporina striata, 53. 

 Rhinestreet black shale, 6, 32-33; 



thickness, 32 ; fossils, 62. 

 Rhinocaris veneris, 46. 

 Rhipidomella cj^clas, 46. 



lenticularis, 43. 



penelope, 47, 49, 51, 53, 54. 



semele, 43. 



vanuxemi, 46, 47, 49, 51, 53, 54. 

 Rhodocrinus gracilis, 52. 



nodulosus, 52. 



spinosus, 52. 

 Rhombopora tortalinea, 53. 

 Rhynchodus sp., 64. 

 Rhynchonella, 25. 



cuboides, 56. 



venustula, 56. 

 Romingeria, 46. 



Salina beds, 6. 



Sandbergeroceras syngonum, 30, 60.. 

 Sanguinolites solenoides, 54. 

 Schizodiscus, 50. 



capsa, 47. 

 Schizophoria impressa, 63. 



iowensis, 64. 



propinqua, 43. 

 Senecan group, 6. 

 Shaffer shale, 17. 



Skaneateles shale, 6, 17, 18; thick- 

 ness, 17; fossils, 46-47. 

 Spathiocaris, 33. 



emersoni, 59, 61, 62. 

 Sphenotus sp., 63. 

 Spirifer acuminatus, 43. 



angustus, 48, 49. 



arctosegmentus, 43. 



arenosus, 40^1. 



audaculus, 46, 48, 49, 53, 54. 



bimesialis, 64. 



consobrinus, 48, 49, 51, 53, 



