CINCINNATI GROUP FOSSILS. 5 



Genus Streptelasma, Hall. 



Range. 



55. S. corniculum, Hall 6 — 7 



56. S. sessile, Ulrich near 8 



Genus Zaphrentis, Rafinesque. 



57. Z. ohioensis, James 4 — ? 



Family COLUMNARID^E. 



Genus Columnaria, Goldfuss. 



58. C. alveolata, Goldfuss 7—8 



Syn. — Favistella stellata, Hall. 



59. C. halli, Nicholson 7—8 



60. C. caliciua, Nicholson ..... 7 — 8 



Syn. — C. herteeri, Rominger. 



ZO ANTHARIA PERFORATA. 



Family FAVOSITID^E. 



Genus Favosites, Lamark. 



61. F. Gothlandica ( ?) Lamark* ? 



Genus Alveolites, Lamark. 



62. A. granulosus, James 5 — 7 



Genus Columnopora, Nicholson. 



63. C. crihriformis, Nicholson 7 — 8 



Syn. — Houqhtonia huronica, Rominger. 



64. C. parva, Ulrich 6—? 



Family PROTAREID^. 



Genus Protarea, Edwards & Haime. 



65. p. vetusta 5—8 ? 



66. P. vetusta, var. verneuili, Edwards & Haime. . 6? 



* That this species occurs in the Cincinnati Grroup is very doubtful. 



