INDEX TO CANANDAIGUA AND NAPLES QUADRANGLES 



Palaeopinna recurva, 43. 

 Palaeotrochus praecursor, 61, 63. 

 Paleschara reticulata, 53. 

 Panenka sp., 59. 



mollis var. costata, 45. 



multiradiata, 43. ' 



radians, 45. 

 Paracardiuni delicatulum, 59. 



doris, 59, 61. 

 Paracyclas sp., 63. 



elliptica, 43. 



lirata mut. pygmaea, 57. 

 Paraptyx Ontario, 61. 

 Paropsonema, 35. 



cryptophyuin, 63. 

 Parrish limestone, 6, 31-32; fossils, 



62. 



Pentagonia unisulcata, 43. 

 Pentamerella arata, 43. 



pavilionensis, 48, 49, 52, 55. 

 Pentremites leda, 52, 58. 

 Phacops, 56. 



bombifrons, 42. 



cristata var. pipa, 42. 



rana, 45, 46, 47, 48, 50, 51, 52, 54, 

 55. 



Phaethonides gemmaeus, 42. 



navicella, 42. 

 Pholadella cf. parallela, 63. 



radiata, 54, 55. 

 Pholidops hamiltoniae, 51, 53, 54. 



oblata, 53, 54. 

 Pholidostrophia iowensis, 53. 



nacrea, 48, 49, 50, 54. 

 Phragmostoma incisum, 59, 61. 



natator, 59, 61. 



cf. triliratum, 61. 

 Phthonia nodocostata, 54, 55. 

 Pinacotrypa plana, 53. 

 Pittsburg sandstone, fossils, 65. 

 Plants, 62. 

 Platyceras, 50. 



ammon, 43. 



argo, 43. 



attenuatum, 45, 49. 

 auriculatum, 47. 

 bucculentum, 45, 49, 53. 

 carinatum, 43, 49, 51, 53, 54. 

 concavum, 43. 

 conicum, 49, 51. 



Platyceras crassum, 43. 



cymbium, 43. 



dentalium, 43. 



dumosum, 43. 



ecbinatum, 49, 54. 



erectum, 43, 49, 54. 



fornicatum, 43. 



nodosum, 43. 



perelegans, 43. 



rectum, 43, 54. 



subrectum, 43. 



subspinosum, 47. 



symmetricum, 47, 49, 53, 54. 



tbetis, 47, 49, 51, 53. 



undatum, 43. 

 Platycrinus sp., 52. 



eboraceus, 48, 55. 

 Pleurodictyum convexum, 44. 



stylopora, 48. 

 Pleurotomaria, 57. 



adjutor, 43. 



capillaria, 45, 49, 53, 54. 



mut. pygmaea, 57. 

 ciliata, 61. 

 cognata, 60, 61. 

 delicatula, 43. 

 disjuncta, 47, 50. 

 genundewa, 59. 

 hebe, 43. 



itys, 45, 47, 49, 51, 54. 



mut. pygmaea, 57. 

 lucina, 43, 45, 47, 50, 54. 

 plena, 43. 

 quadrilix, 43. 

 rotalia, 54. 



rugulata, 44, 45, 46, 47, 58, 59. 



sulcomarginata, 4o. 



trilix, 49. 



unisulcata, 43. 

 Polygnatbus dubius, 62. 

 Polypora sp., 64. 



fistulata, 53. 



multiplex, 53. 

 Portage beds. 6. 

 Portage fauna, study of, 4. 

 Poteriocrinus sp., 52. 



diffusa, 52. 



nereus, 52. 



nycteus, 52. 



