232 TRANSACTIONS OF THE [MAY 21, 
I. Porspam. 
Obolella prima, Conrad & Hall, (1847:) 30. 
II. CALcIFEROUS. 
Ophileta uniangulata, Hall, 185. 
III. Cuazy. 
Maclurea magna, LeSeur, 23, 24, 56, 58, 59, 60, 65, 66, 54, 70. 
Orthoceras sp.? 23, 24, 26, 54, 65, 60, 138. 
? Monticulipora lycopodites, Vanuxem, 23, 24, 26. 
Orthis borealis, Billings, 23, 24, 26, 28, 62, 61. 
‘““ imperator, Billings, 24. 
? ©  eostalis, Hall, 24. 
? “ perveta, Conrad, 23, 62. 
‘“* platys, Billings, 23, 24, 51, 62, 61. 
Strophomena incrassata, Hall, 62. 
# alternata, Conrad, 61. 
Solenopora compacta, Billings, 54, 57, 64. 
Stenopora fibrosa, Goldfuss, 63, 61. 
?Ophileta complanata, Vanuxem, 138. 
Lituites sp.? 138. 
Bolboporites Americanus, Billings, 138. 
Camerella varians, Billings, 138, 62. 
a sp.? 57. 
Asaphus, sp.? fragments, 62, 61. 
Trilobite, fragments, 54. 
Zaphrentis, 54. 
Encrinal columns, 61, 63. 
Globular masses containing as nuclei minute lamellar fors- 
miniferal skeletons, 50, 60. 
TRENTON. 
Bellerophon bilobatus, Sowerby, 14, 15, 136. 
Trinucleus concentricus, Eaton, 136. 
Asaphus gigas, DeKay, 14, 15, 97, 125, 136. 
Calymene senaria, Conrad, 14, 15, 97, 98, 125, 136. 
Ceraurus pleurexanthemus, Green, 136. 
Dalmanites callicephalus, Hall, 15, 136. 
Ambonychia bellistriata, Hall, 136. 
Tellinomya dubia, Hall, 136. 
Strophomena alternata, Conrad, 136. 
as deltoidea, Conrad, 136. 
