CINCINNATI GROUP FOSSILS. 15 



Range. 



303. O. morrowensis, James 3 — 5 



304. O. multisecta, James 0—4 



305. O. multisecta, var. cyclus, James.. near 1 



306. O. neglecta, James ? 



307. O. oithambonites, Pander 3 — 4 



308. O. occidental, Hall 4—7 



309. O. occidentalis, var. sinuata, Hall 3 — 7 



310. O. pectinella, Conrad below 



311. O. pectinella, var. semiovalis, Hall 3 — 4 



312. O. plicatella, Hall 3—5 



313. O. retrorsa, Salter near 6 



314. O. subquadrata, Hall 5 — 7 



315. O. testudinaria( ?), Dalman 



316. O. testudinaria, var. j ugosa, James 5 — 7 



317. O. (Zygospira?) sectostriata, Ulrich 3 — 5 



318. O. t rice ii aria, Conrad below 



319. O. tiiplicatella, Meek 3—4 



Family RHYNCHONELLID^E. 



Genus Rhynchonella, Fischer. 



320. R. capax, Conrad 5 — 1% 



321. R. capax, var. porlamellosa, Whitfield 6 — 7 



322. R. dentata, Hall 6—7 



Family SPIRIFERID^E. 



Genus Trematospira, Hall. 



323. T. granulifera, Meek ? 



324. T.( ?) quadriplicata, S. A. Miller below 



325. T. similis, Ulrich near 4 



Genus Zygospira, Hall. 



326. Z. cincinnatiens's, James 2 — 4 



327. Z. concentrica, Ulrich near 3.5 



328. Z. headi, Billings 6—7 



329. Z. modesta, Say through 



330. Z. modesta, var. kentuckyensis 6 — 7 



Family STROPHOMENID^E. 



Genus Strophomena, Rafinesque. 



331. S. alternata, Conrad 2 — 7 



332. S. alternata, var. alternistriata, Hall ?6 



