IirvnEBTEBEATA. 313 



is stated to differ from M. modiolaris in having more prominent and 

 angular beaks, and a different hinge-line and ligamentary attachments, 

 and in having the muscular impression placed further in front of the 

 beak. It is from the Cincinnati group of Versailles, Indiana. H. A. N. 



MiLLEK, S. A. Monograph of the Lamellibranchiata of the Cincinnati 

 group. Cincin. Quart. Journ. Sci. vol. i. pp. 211-231, figs. 20-22. 

 Records and for the most part describes 31 previously known Bi- 

 valves from the Cincinnati group. The author also describes and figures 

 a new species as Tellinomya Ililli. A new genus, Cyclocondia, is 

 founded for the reception of a single shell ((7. rtudiocardinalis). 



H. A. N. 



Cyrtoceras VallandigTiami." Cincin. Quart. Journ. Sci. 



vol. i. p. 232, fig. 23. 

 Describes a small species of Cyrtoceras, which he believes to be new, 

 from the Cincinnati group, at Cincinnati. 



Species of BeyrichiaJ* Cincin. Quart. Journ. Sci. vol. i. 



pp. 232-234, figs. 24-27. 



Describes 3 new species of Beynchia (B. Druryi, B. stinato-margina- 



tus, and B. Chamhersi) from the Cincinnati group of Ohio and 



Indiana. H. A. N. 



. " Tentaculites Bichmondensis.'^ Cincin. Quart. Journ. Sci. 



vol. i. pp. 234, 235, fig. 28. 

 Describes a species from the Cincinnati group of Indiana. 



■ . " Butliotrephis ramuhsus." Cincin. Quart. Journ. Sci. vol. 



i. pp. 235-236, fig. 29. 

 Describes a branching fossil from the Cincinnati group of Cincinnati. 



. Monograph of the Gasteropoda of the Cincinnati group. 



Cincin. Quart. Journ. Sci. vol. i., pp. 302-321, figs. 30-34. 



Describes 21 previously recorded species of Gasteropoda from the 

 Cincinnati group. Describes as new species the following Gastero- 

 pods from the Cincinnati group — Bcllerophon Mohri, Cyrtolites eleyans, 

 C. carinata, Cyclora Hoffmanni, and Pleurotomaria Halli. H. A. N. 



" MeyalograptKS.^' Cincin. Quart. Journ. Sci. vol. i. pp. 



343-346, figs. 35-37. 



A new genus is proposed for a fossil of an obscure nature, which he 



terms M. Welchi, and apparently regards as belonging to the GrajHo- 



litidfe. The specimen is from the Cincinnati group of Chirkville, 



Clinton County, Ohio. H. A. N. 



. ''^ Lichenocrinns tuberculatusJ* Cincin. Quart. Journ. Sci. 



vol. i. pp. 346, 347, fig. 38. 

 Describes and figures a species from the Cincinnati group of Rich- 

 mond, Indiana. 



