288 APPENDIX C. 



1853. 275. Family of Cyprinodonts. Proc. Amcr. Acad. Arts 

 and Sc., Vol. III., pp. 42-43. Boston. June, 1853. 



1853. 276. On cell-segmentation. Proc. Amer. Acad. Arts 

 and Sc., Vol. III., pp. 46-47. Boston, June, 1853. 



1853. --277. Recent researches in a letter addressed to J. D. 

 Dana. Amer. Journ. Sc., 2d Series, Vol. XVI., pp. 134-136, July, 

 1853- 



1853. 278. Notices of works on geology. Amer. Journ. Sc., 

 2d Series, Vol. XVI., pp. 279-283, September, 1853. 



1853. 279. Notices of works on zoology. Amer. Journ. Sc., 

 2d Series, Vol. XVI., pp. 283-287, September, 1853. 



1853. 280. On viviparous fishes from California or extraordi- 

 nary fishes from California constituting a new family. Amer. 

 Journ. Sc., 2d Series, Vol. XVI., pp. 380-390, November, 1853. 

 Edinb. New Phil. Journ., Vol. LVII., pp. 214-228, 1854. 



1853. 281. On cartilaginous fishes. Proc. Amer. Acad. Arts 

 and Sc., Vol. III., pp. 63-64. Boston, November, 1853. 



1853. 282. Cestracion from China. Proc. Artier. Acad. Arts 

 and Sc., Vol. III., pp. 65-66. Boston, November, 1853. 



1853. 283. Age of the new red sandstone of Virginia and 

 North Carolina. Proc. Amer. Acad. Arts and Sc., Vol. III., p. 69. 

 Boston, December, 1853. 



1853. 284. Footmarks of the Potsdam sandstone. Proc. Amer. 

 Acad. Arts and Sc., Vol. 111., p. 70. Boston. December, 1853. 



1853. 285. Fishes found in the Tennessee River. Proc. 

 Amer. Acad. Arts and Sc., Vol. III., p. 70. Boston, December, 

 1853- 



1854. --286. Notice of a collection of Fishes from the southern 

 bend of the Tennessee River in the State of Alabama. Amer. 

 Journ. Sc., 2d Series, Vol. XVII., pp. 297-308, March, 1854; and 

 pp. 353-365, with additional notes on the Holconoti, pp. 365-369, 

 May, 1854. 



1854. 287. The primitive diversity and number of animals in 



