Fig. Pag. 
Plate 13. 
1, 3 Lituites undatus . 52 
2 — convolvans .... 53 
Plate 13 (bis). 
1 Lituites undatus ........ 52 
r 
Plate 14. 
1 Gonioceras anceps. 54 
Plate 15. 
1 Ormoceras tenuifilum ... 55 
Plate 16. 
1 Ormoceras tenuifilum ... 56 
Plate 17. 
1 Ormoceras tenuifilum ... 57 
2 — — var. distans, 53 
3 — ? gracile. 58 
4 Endoceras subcentrale... 59 
Plate 18. 
1 Endoceras longissimum .. 59 
2 — multitubulatum. 59 
Plate 19. 
1 Endoceras gemelliparum, 60 
Plate 20. 
1 Orthoceras fusiforme .... 60 
Plate 21. 
1 Buthotrephis gracilis.... 62 
2 Palaeophycus rugosus.... 63 
Plate 22. 
1 Palaeophycus simplex.... 63 
2 Buthotrephis succulens.. 62 
Plate 23. 
1, 2, 3 Chaetetes lycoperdon .. 64 
4 — columnaris. 68 
Plate 24. 
1 Chaetetes lycoperdon .... 66 
2 — rugosus.. 67 
3 Receptaculites neptunii ? 68 
Plate 25. 
1 Streptoplasma corniculum, 69 
2 — crassa ........ 70 
3 — multilamellosa.. 70 
4 — parvula. 71 
5 Porites ? vetusta ........ 71 
6 (Genus ? ) cyathiformis... 71 
Plate 26. 
1 Escharopora recta ...... 73 
2 — — var. nodosa, 73 
LIST OF PLATES. 
Fig. Pag. 
Plate 26. 
3 Stictopora ? acuta . 74 
4 — elegantula ..... 75 
5 Gorgonia perantiqua .... 76 
6 Aulopora arachnoidea ... 76 
7 Alecto inflata .. 77 
8 Intricaria ? reticulata.... 77 
9 Retepora ? foliacea. 78 
10 Stellipora antheloidea ... 79 
11 Graptolithus amplexicaule, 79 
Plate 27. 
1 Schizocrinus nodosus.... 81 
Plate 28. 
1 Poteriocrinus 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 anatiformis, 89 
5 Asterias matutina. 91 
6 Tentaculites flexuosa ... 92 
Plate 30. 
1 Lingula attenuata ?. 94 
2 — riciniformis .... 95 
3 — aequalis. 95 
4 — quadrata. 96 
5 — elongata. 97 
6 — 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 Leptaena alternata . 104 
2 — camerata . 106 
3 — deltoidea . 106 
4 — tenuistriata .. . 108 
Plate 31 b. 
1 Leptaena alternistriata ... 109 
2 — sericea . 110 
3 — filitexta........ Ill 
4 — planumbona .... 112 
335 
Fig. Pag. 
Plate 31 b. 
5 Leptaena deflecta.113 
6 — recta. 113 
7 — planoconvexa .. 114 
8 — tenuilineata .... 115 
9 — subtenta.. 115 
10 — (sp. indet.) .... 116 
Plate 32. 
1 Orthis testudinaria. 117 
2 — subsequata. 118 
3 — bellarugosa .... 118 
4 — disparilis . 119 
5 — perveta.120 
6 — aequivalvis. 120 
7 — fissicosta. 121 
8 — tricenaria. 121 
9 — plicatella. 122 
10 — pectinella. 123 
11 — — var. semiovalis, 
124 
12 — insculpta . 125 
13 — dichotoma. 125 
Plate 32 a. 
1 Orthis subquadrata. 126 
2 — occidentals .... 127 
Plate 32 b. 
1 Orthis occidentals. 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 — recurvirostra ... 140 
6 — exigua. 141 
7 — circulus. 142 
8, 9 — ambigua.143 
10 — hemiplicata .... 144 
11 — (sp. indet.) .... 145 
12 — subtrigonalis .. . 145 
13 — increbescens.... 146 
14 — dentata. 148 
15 — modesta. 141 
16 — sordida. 148 
