Pl-ATK 13. 



1 , 3 Lituites undatus 52 



% — convolvans .... 53 



Plate 13 (bis). 

 I Lituites undatus 50 



PtATE 14. 



t Gonioccras anceps 54 



Plate 15. 

 1 Ormoceras tenuiBIum ... 55 



Plate 16. 

 1 Ormoceras tenuifilum ... 56 



Plate 17. 



1 Ormoccras tciiuifilum ... 57 



2 — — ear. distans, 53 



3 — > gracile 58 



4 Endoceras subcentrale ... 59 



Plate 18. 



1 Endoceras loDgissimum . . 59 



2 — multitubulatum . 59 



Plate 19. 

 1 Endocerag gemelliparum, 60 



Plate 20. 

 1 Orthoceiaa fusiforme .... 60 



Plate 21. 



1 Buthotrephis gracilis , , , , 62 



2 Palzophycus mgosus .... 63 



Plate 22. 



1 Palaeophycus simplex.... C3 



2 Buthotrepbis succulens . . 62 



Plate 23. 



1, 2, 3 ChiBtetea lycopcrdon . . 64 



4 — columnaris 68 



Plate 24. 



1 Chffitetes lycoperdon .... 66 



2 — rugosus 67 



3 Receptaculites ncptunii ? 68 



Plate 25. 



1 Streptoplasma corniculum, 09 



2 — crassa 70 



3 — multilamellosa. . 70 



4 — parvula 71 



5 Porites.' Tetusta 71 



6 (Genua .') cyathiformis. . . 71 



Plate 26. 



1 Escharopora recta , 73 



2 — — var nodoM, 73 , 



LIST OF PLATES. 



•'■o „ Pas. 



Plate 26. 



3 Stictopora .' acuta 74 



4 — elegantula 75 



5 Gorgonia perantiqua .... 76 



6 Aulopora arachnoidea ... 76 



7 Alecto inflata 77 



8 Intricaria 1 reticulata .... 77 



9 Retepora .' foliacea 78 



10 Stellipora antheloidea ... 79 



1 1 Graptolithus amplexicaule, 79 



Plate 27. 

 1 Schizocrinus nodosus .... 81 



Plate 28. 



1 Potcriocrinus alternatus.. 83 



2 — gracilis 84 



3 Scyphocrinus heterocostalis, 85 



4 Schizocrinus striatus ... . 316 



Plate 29. 



1 Schizocrinus? 86 



2 Bases of attachment of 



Crinoidea 86 



3 Columns of Crinoidea ... 86 



4 Echino-encrinites anatiformia, 89 



5 Asterias matutina 91 



6 Tentacnlites flexuosa ... 92 



Plate 30. 



1 Lingula attennata ? 94 



2 — riciniformis .... 95 



3  — xqualia 95 



4 — quadrata 96 



i — elongala 97 



— curta 97 



7 — obtusa 98 



8 — crassa 98 



9 Orbicula .' filosa 99 



10 — lamellosa 99 



11 — terminalis 100 



Plate 31. 



1 Leptaena alternata 102 



Plate 31 a. 



1 Leptaina alternata 104 



2 — camerata 106 



3 — deltoidea 106 



4 — tenaistriata ... 103 



Plate 31 b. 



1 Leptaena alternistriata .. . 109 



2 — sericea 110 



3 — filitexta m 



4 — planumbona ... . 112 



335 



Plate 31 b. 



5 Leptsena deflecta 113 



6 — recta 113 



7 — planoconvexa .. 114 



8 — tenuilineata . . . . 115 



9 — subtenta 115 



10 — (ap.indet.) 116 



Plate 32. 



1 Orthis testudinaria 117 



2 — subaequata 118 



3 — bellarugosa .... 118 



4 — diaparilis 119 



5 — perveta 120 



— aequivalvis 120 



7 — fissicosfa 121 



8 — tricenaria 121 



9 — plicatella 122 



10 — pectinella 123 



11 — — var. semiovalis, 



124 , 



12 — insculpta 125 ^ 



13 — dichotoma 125 



Pl.^te 32 A. 



1 Orthis subquadrata 126 



2 — occidentalis .... 127 



Plate 32 b. 



1 Orthis occidentalis 127 



2 sinuata 128 



Plate 32 c. 



1 Orthis subjugata 129 



2 — sinuata 129 



Plate 32 d. 

 1 Delthyris lynx 133 



Plate 33. 



1 Atrypa extans 137 



2 — nucleus 138 



3 — bisulcata 139 



4 — deflecta 140 



5 — rccurvirostra .. . 140 



6 — exigua 141 



7 — circulus 142 



8, 9 — ambigua 143 



10 — hemiplicata .... 144 ^ 



11 — (ap.indet.) .... 145 ^ 



12 — subtrigonalis . . . 145 



13 — increbescens. ... 146 



14 — dentata 148 



15 — modesta 141 



16 — sordida 148 



'•# 



