16 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Conrad (Timothy Abbott) Continued. 



This work is often quoted as " Conrad's Fossils of the Medial Tertiary." The 

 dates are determined by manuscript notes of the author, for details in regard to 

 which I am indebted to a note in the American Naturalist for July, 1888, by Dr. 

 Otto Meyer. 



Descriptions of new species of fossil and recent shells and 



corals. 



In Academy of Natural Scieuces of Philadelphia ; Proceedings, vol. in, pp.23- 

 27, pi. 1-2, Feb., 1846. 



Descriptions of two new genera and new species of recent 



shells, etc. 



In Academy of Natural Sciences of Philadelphia ; Proceedings, vol. iv, p. 121, 

 Dec., 1848. 



Synopsis of the genus Cassidula Humphrey and of a proposed 



new genus, Athleta. 



In Academy of Natural Sciences of Philadelphia ; Proceedings, vol. vi, pp. 448- 

 449, Dec., 1853. 



Notes on shells, with descriptions of three recent and one fos- 

 sil species. 



In Academy of Natural Sciences of Philadelphia ; Proceedings, vol. VII, pp. 31- 

 23, March, 1854. 



Description of a new genus of the family Dreisseuidse. 



In Academy of Natural Sciences of Philadelphia ; Proceedings, new series, 1857, 

 p. 167. 



Descriptions of new fossil and recent shells of the United States. 



Iu Journal of the Academy of Natural Sciences of Philadelphia, new series, 

 vol. I, Part III, pp. 207-209, 280, pi. xxxix. 



Observations on the geology of a part of East Florida, with a 



catalogue of recent shells of the coast. 



In American Journal of Science. Ne\v Haven, B. Silliman and J. D. Dana, 

 1846. New series, vol. n, pp. 36-45, 393-398, 1846. 



Coues (Elliott, M. D.). Notes on the Natural History of Fort Macon. 

 N. C., and Vicinity. 



In Academy of Natural Sciences of Philadelphia; Proceedings of, 1871, pp. 

 120-148. This includes a synopsis of the species collected, and enumerates the 

 species collected earlier by Dr. William Stimpson, but which were not found by 

 Dr. Coues. A supplementary list appears in the same Proceedings for 1878, pp. 

 301-303. 



Ball (William Healey). Eeports on the results of dredging, under the 

 supervision of Alexander Agassiz, in the Gulf of Mexico and in the 

 Caribbean Sea, 1877-'79, by the U. S. Coast Survey steamer Blake, 

 Lieutenant-Commander Sigsbee, U. S. N., and Commander J. R. 

 Bartlett, U. S. N., commanding, xv. Preliminary report on the 

 Mollusca. Bulletin of the Museum of Comparative Zoology at Har- 

 vard College. Cambridge, for the Museum, July-December, 1881. 

 Vol. ix, No. 2, pp. 33-144. 8. This publication, separately issued as a bulletin, 

 with title on cover, appeared originally in signatures as follows: Pp. 33-48, July 

 12, 1881 ; pp. 49-64, Aug. 12, 1831 ; pp. 65-80, Aug. 25, 1881 ; pp. 81-96, Sept. 26, 1881 ; 

 pp. 97-112, Oct. 31, 1881; pp. 113-128, Nov. 26, 1881 ; pp. 129-144, Dec. 5, 1881. 



