INDEX • XI 



• Page 



Pisces 126, 164 



Pisocrinus 65 



Plattin limestone, relation of, to Callaway limestone 28, 32 



Devonian 5 



Mineola limestone 18 



Sylamore sandstone 7 



Platyceras angulare 217, 255, PI. 68 



annulatum 122, PI. 26 



calantica 22, 120, PI. 26 



carinatum 22, 121, 131, 156, PI. 26, 35 



compressum 259 



(Orthonycbia) conicum 22, 121, 254, PI. 26 



depressum 217, 25.5, PI. 69 



dumosum ' 214, 217. 220, 256, PI. 68 



elongatum var. parvum 217, 256, PI. 68 



erectum 22, 122, PI. 26, 28 



gebhardi ! 217, 220, 256, PI. 68 



gracile 217, 257, PI. 68 



lamellosum 173 



magniflcum 217, 257, PI. 68 



multisinuatum 173, 217, 257, PI. 69 



newberryi 217, 220 258, PI. 69 



nodosum 122, 131, 156, 217, 220, 258, PI. 22, 28, 39, 69 



pentalobus -. 167, 207, PI. 54 



peregrinus 217, 220, 259, PI. 69 



planovolvis .- 217, 220, 259, PI. 70 



reflexum .'. 217, 220, 259, PI. 69 



retrorsum 217, 260, PI. 69 



sp 15, 167, 207, PI. 54 



spirale 173 



subconicum 217, 260, PI. 69 



tenuiliratum 173, 207 



trilobatum 217, 260, PI. 69 



unguiforme T 173 



whitii 259 



Platycerids 23, 220 



Plectambonites transversalis 172 



' Plethorhyncha barrandii 216, 2h0, 241, PI. 63 



principalis 216, 220, 21fl, PI. 64 



Pleurodictyum lenticulare . . . 171, 180, PI. 42 



Pleurotomaria arata 117 



isaacsi. 38, 42, 44, 117, PI. 28 



labrosa 173 



providencis 13, 14, 15, 35, 118, PI. 26 



sp 22, 1 1 7, PI. 28 



Polypora cf. hexagonalis 215, 226, 227, PI. 60 



media 215, 227, PI. 60 



valida 215, 227, PI. 60 



Productella callawayensis 41, 85, PI. 11,15 



marquessi 85, 86 



spinulicosta 22, 23, 86, 131, W, PI. 35 



subalata 86 



Proteus clarus • 278 



conradi 218, 263, PI. 71 



crassimarginatus 22, 42, 125, 131, 161, PI. 21, 30, 39 



haldemani 131, 161, PI. 39 



pachydermatus 218, 263, PI. 71 



protuberans 218, 220, 263, PI. 71 



sp 131, 162, 26Jf. PI. 71 



Pseudosyrinx 104 



Pterinea flabellum 131, H9, PI. 36 



Pterochaenia longwelli 6 



Pteronitella sp 167, 205, PI. 54 



Ptychostylus subtumidus 6 



Ptychtophyllum 51 



Ptyctodus 7 



calceolus .6, 22, 23, 34, 42, 44, 45, 126, PI. 31 



ferox 35, 42, 44, 127, PI. 21 



