INDEX TO AGES AND HEMER^: 



73 



Ref. No. 



morrisi 25 f-J 



Morrisiceras 25 h 



Morrisites 25 f 



murchisonae 1 « > < I 



murleyi 1 3 1 



mutabilis 37 n 



navicula 32 a 



niortensis 21 g 



nodulosum 6 b 



novata 17c 



obductus 3T f 



obsoleta 10 f 



obtusum 7 c 



oculatum 33 g 



Oistoceras 1 1 f 



opaliniforme 19 a 



opimus • . . 29 i 



ordinarium 32 e 



orthocera 38 b 



ovalis 20 j 



OXYCERITAN 26 



OXYNOTICERATAN . . . . 8 



oxynotum 8 f 



Pachyceras 32 c 



pallasioides 42 c 



paltus 13 a 



Paravirgatitan . . . . 44 



paravirgatus 44 f 



parcicarinatus . . . . 21b 



parkinsoni 22 d 



Parkinsonian . . . . 22 



pauper 15 e 



pectinatus 44 d 



pedicum 16 d 



peregrinus 10 b 



Perisphinctean . . . . 34 



persecans 33 i 



pettos 10 h 



Phlycticeras 29 b 



phoenix 2 e 



Phricodoceras . . . . 10 a 



phyllinus 10 c 



Physodoceratan . . 38 



pickeringius 34 c 



planicosta 7 e 



planiforme 19 e 



planorbis 1 a 



planula 37 j 



planum 9 n 



Plasmatoceras . . . . 33 e 



plastum 33 e 



platychora 19 h 



Platygraphoceras . . . . 20 d 



platynota 37 k 



Plesechioceras . . . . 9m 



Pleurocephalites . . . . 28 e 



Pleurophorites . . . . 25 b 



plicatus 1 e 



ploti 6 g 



politus 39 b 



pollubrum 23 b 



pollux 31 e 



POLYMORPHITAN . . . . IO 



polymorphus 10 d 



Page 



3i 

 3? 



3' 

 37 

 40 



24 



33 

 46 



37 



28 

 43 

 45 

 26 

 42 

 37 

 29 

 27 

 24 

 36 

 31 

 44 

 45 



27 

 24 

 41 

 23 

 23 

 34 

 32 

 32 

 38 

 23 

 38 

 43 

 25 

 26 

 42 

 30 

 47 

 43 

 43 

 24 

 25 

 45 

 37 

 47 

 24 

 43 

 27 



27 

 37 

 36 

 24 

 43 

 30 

 31 

 47 

 46 



24 

 32 

 29 

 42 

 43 



Ref. No. 



podophyllum . . . . 8 g 



polyplocus 37 1 



polypreon ^6e 



portlocki [ a 



praecordatum 33 b 



pringlei 44 c 



prionodes ' 36 c 



Frionodoceratan . . 36 



promethcus . . . . 2 c 



proniae 31 1 



propinquans 20 t 



Proplanulitan . . . . 29 



pseudocordata . . . . 35 a 



pseudokridion . . . . 5 c 



pseudomutabilis . . . . 38 j 



pseudovatum 14 d 



PSEUDOVIRGATITAN . . 42 



PSILOCERATAN . . . . I 



psilonotus id 



pygmaeum 21 d 



Radstockiceras . . . . 8 h 

 raricostatoides . . . . 9 1 



Raseniae 37 b 



Rasenian 37 



recinctus 23 g 



reginaldi 31 d 



regulare '. 12 1 



rehmanni 30 e 



Reineckeian . . . . 30 



renggeri 32 b 



Reynesella 20 e 



rhodanicum 9 i 



Ringsteadian . . . . 35 



rotator 4 a 



rothpletzi 81 



ruber 20 q 



rudidiscites 20 c 



rudis 29 d 



Rugiferites 25 c 



sagittarium 7 d 



Sagitticeras 33 n 



sauzeanum 5 e 



sauzei 20 s 



schloenbachi 22 e 



Schlotheimian . . . . 2 



scipionianum 5 b 



scissum 19 b 



scoticum 33 j 



scruposus 42 a 



scylla 3 c 



scythicus 45 a 



Seguenziceras 12 e 



semicostatum 5 a 



semipolitum 14 m 



serratum 36 c 



Shirbuirnia 20 1 



silphouense 32 g 



simile 9 g 



simpsoni 8 d 



Sonninian 20 



Sphaeromorphites . . . . 25 a 



spinatum 12 k 



stellare 7 £ 



Stemmatoceras . . . . 21c 



stephanoides 37 g 



Page 



45 

 24 

 11 



47 

 27 

 23 

 25 

 ^5 

 47 

 28 



34 

 29 



25 

 46 



24 

 39 

 24 

 47 

 47 

 34 



45 

 44 

 25 

 24 

 3i 

 29 



4i 

 29 

 29 

 27 

 36 

 44 

 25 

 47 

 44 

 35 

 36 

 30 

 3i 



45 

 26 

 46 

 34 

 32 

 47 

 46 



37 

 26 



24 

 47 

 23 

 42 

 46 

 38 

 25 

 36 

 27 

 44 

 45 

 34 

 31 

 4i 

 45 

 34 

 24 



