The Rogers Gap Fauna of Central Kentucky 149 



Description of Plate I. 



Fig 1 — Constellaria emaciata. Ulrich and Bassler — Rail- 

 road cut 58.9 miles from Ludlow. 



Yig, 2 — Zygospira recurvirostra, Hall — A, brachial view. 

 B, C, pedicel valves. At mile post 65, along the railroad, one 

 mile north of the station at Cynthiana. 



■pig, 3 — Hormotoma gracilis, Hall — Railroad cut 59.1 miles 

 from Ludlow. 



Fig 4 — Holopea incerta — Railroad cut 59.1 miles from Lud- 

 low. 



Fig. 5 — Eridorthis nicklesi, Foerste — Railroad cut 5L5 

 miles from Ludlow. A, B, bracTiial valves, the second showing 

 the median groove at beak, and anterior fold. C, pedicel valve, 

 showing the median depression. 



Fig. 6 — Cycloconcha oblonga — Right valve. 



Fig. 7 — Ohiocriniis exilis — Railroad cut 59.1 miles from Lud- 

 low. Showing the radials and brachials of the right anterior and 

 right posterior arms, with the two lower anal plates. 



Fig. 8 — Ectenocrinus grandis, Meek — A, view of right side 

 of head, showing the long, slender, straight ramules ; railroad cut 

 54.5 miles from Ludlow. B, left anterior and left posterior arms ; 

 railroad cut south of Rogers Gap. C, left anterior and left pos- 

 terior arms, with two lower anal plates. D, lower part of the col- 

 umn belonging to the same specimen as Fig. C; railroad cut 59.1 

 miles from Ludlow. 



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