360 



Kio. Tao. 



Plate 20. 



() Orthis circulus 5G 



7 — clegantula? far. . . 57 



S — trinuclcus 68 



it — teiiuidcns 58 



10 Atrypa gibbosa 79 



Plate 21. 



1 Lcptfena sericca 59 



2 — corrugata 59 



3 — patenta GO 



4 — profunda 01 



5 — — 1. 61 



(■) — obscura 62 



7 — orthididca 62 



8 — dcpressa 62 



9 Strophodonta prisca 63 



10 Chonctes cornuta 64 



Plate 22. 



1 Spirircr biforatus, var. lynx, 65 



2 — radiatus 66 



3 — 66 



Pl.\tb 23. 



1 Atrypa congesta 67 



2 — quadrioostata .... 68 



3 — bidens 69 



4 — neglccta 70 



5 — cqiiiradiata 70 



6 — cmaccrata 71 



7 — robusta 71 



8 — reticularis 72 



9 — plicatula 74 



10 — hemispherica 74 



11 — plano-convesa 75 



Plate 24. 



1 Atrypa naviformis 76 



2 — cyliadrica 76 



3,4 — intermedia 77 



5 — 78 



6 — cylindrica? 78 



7 Peatamcrus fornicatus 81 



Plate 2o. 



1 Pcntamcrus oblongus 79 



Plate 26. 



1 Pentamcrus oblongus 79 



Plate 27. 



1 Avicula oniaccrata 83 



2 — rhomboidea 84 



PAL.EONTOLOGY OF NEW-YORK. 



Fig. 



Tag, 



Plate 27. 



3, 12 Pyrcnonitfus cuneatus ... 87 



4 Posidonia? alata 87 



5, 6 Modiolopsis subalatus 84 



7 Telliaoiuya lata 85 



8, 9 — maclucriformis 85 



10,13 — curta 8G 



11 Orthonota curta 86 



Plate 28. 



1 Cycloncma cancellata 90 



2 — ventricosa 90 



3 — (?) ob.soleta 90 



4 Platyostoma 91 



5 Cycloncma cancellata? 91 



7 Murchisonia snbulata 91 



8 Bucania stigmosa 92 



9 — (?) bcUapuncta 93 



10 — trilobata 93 



11 Oncoccras subrectum 91 



12 Cornulites flexuosus 98 



13 Discosorus conoideus 99 



Plate 29. 



1 Ormoceras vertebratum ... 94 



2 Orthoceras virgulatum .... 96 



3 — annulatum? 96 



4 — abruptum 97 



Plate 30. 



1 Myaliiia mytiliformis 100 



2 Modiolopsis ovatus 101 



— subcarinatus 101 



TcEinomya elliptica 102 



Cyricardia? 102 



Plate 31. 



Pentamerus ovalis 103 



Leptaona obscura? 103 



Platyostoma 103 



Otboceras clavatuni 104 



Homalonotus delphinoccpha- 



lus, 104 



Iclithyodorulite (fragment), 104 

 Fragment of rib 105 



Plate 32. 



Strcptelasma calicula Ill 



Polydilasma turbinatiun. . . 112 



Caninia bilateralis 113 



Conophyllum magarensc . . 114 



Plate 33. 

 1 Diplophyllum ca;spit08tim. . 116 



Fio. Pag. 



Plate 33. 



2 — — ? 118 



3 Syringopora? multicaulis . . 119 



Plate 34. 



1 Astroccrium vcnustum 120 



2 — parasiticum 122 



Plate 34 a. 



1 Astroccrium pyrlformc 123 



2, 3 — constrictum 123 



Plate 34 a (liis). 



4 Favosites niagarensis 12J> 



5 — favosa? 126 



Plate 35. 



1 Catcnipora escharoides 127 



Plate 35 (bis). 



2 Catcnipora agglonuirata 129 



Plate 36. 



1 Heliolites elegans 130 



2 — spinipora 131 



Plate 36 a. 



1 Heliolites pyriformis 133 



2 — macrostylus 135 



Plate 37. 

 1 Stromatopora concentrica. . 136 



Plate 37 a. 



1 Stromatopora concentrica. . 136 



2 Lichenalia concentrica 171 



Plate 38. 



1 Cladopora seriata 137 



2 — cajspitosa 138 



3 — cervicomis 139 



4,5 — fibrosa 139 



Plate 39. 



1 Cladopora niultipora 140 



2 — macrophora 140 



3 — reticulata 141 



4 Limaria ramulosa 142 



5 — fruticosa? 143 



G — laminata 143 



Plate 40. 



1 Callopora elegantula 144 



2 — florida 146 



3 — laminata 146 



4 — aspcra 147 



