
Plate XVII. 
Fig.. 1; Bythocypris devonica, n. sp... 2 
Ia, 16 and Ic, right side, posterior, and ventral views of a perfect 
carapace, x 20. Falls of the Ohio. 
Fig. 2. Bythocypris punctulata, n. sp...) 
2a, 2b and 2c, right side, anterior, and ventral views of a complete 
carapace, x 20. Falls of the Ohio. 
Figs.:3 and 4. ‘ Cytherella ovatiformis, n. sp*. 2) | aaa 
*Figs. 3, 4a, 6 and c, are reversed on the plate. 
3, interior of a right valve, x 28. 
4a, 46 and 4c, three views of a complete carapace, x 28. Caldwell 
Cox, I<y. 
Fig, 5. Bairdia leguminoides, n. sp. .23) ee 
5a, 54 and 5¢, right side, ventral, and anterior views of a perfect 
carapace) x20, 1S mullevcreelka Ne Ve 
Figs. 6 and 7. Bairdia cestriensis, n. sp...) 
6a, 66 and 6c, left side, right side, and dorsal views, x 28, of an old 
example 
7a and 7, left side and ventral views of a small specimen, x 28. 
Both from Caldwell Co., Ky. 
Fig. 3. Pontocy pris\@) acumimatay i. (Speco eee + ee 
8a, 86 and &c, side, ventral, and posterior views of a left valve, x 20. 
209 
Oi 
210 
