6 WORKS ON NATURAL HISTORY. 



Catalogue of the papers and other works of Mr. Say, so far as ascer- 

 tained, 1835. Pamphlets, vol. 1. 

 Chemnitz. See Martini. 



Coates, B. H. A Biographical Sketch of the late Thomas Say. Phi- 

 ladelphia, 1835. Pamphlets, vol. 1st. 

 Columna, Fabius. Fabi Columnae Lyncei de Purpura, Aliisque Tes- 



taceis rarioribus. Rome, 1616 ; 8 plates, 4to. 



Conch ologist's Companion, comprising the Instincts and Construc- 

 tions of Testaceous Animals. London, 1824 ; 1 vol. 12mo. 

 Conchological Tracts, vol. 1st, 4to, contains : 



An Historical Account of Testaceological "Writers, by W. 

 G. Maton and Rev. T. Rackett. London, 1803; 125 

 pages. 



A Description of seven new species of Testacea, by W. G. 

 Maton ; 1809 ; 7 pages and 1 colored plate. 



Descriptions of five British species of the Genus Tere- 

 bella of Linne ; 1817 ; 5 pages and 3 plates. 



Remarks on the difficulty of distinguishing certain Ge- 

 nera of Testaceous Mollusca by their shells alone, &c. 

 London, 1835 j 10 pages, by J. E. Gray. 



Observations on Naticina and Dentalium, by Rev. L. 

 Guilding. London, 1831 ; 6 pages and 1 plate. 



On the Nervous System of Beroe Pileus, Lam., and on 

 the structure of its Cilia, by Robert E. Grant, London, 

 1833; 4 pages, 1 colored plate. 



On the structure and characters of Loligopsis, and an ac- 

 count of a new species by the same. London, 1833 ; 8 

 pages, and colored figures. 



On the Anatomy of the Sepiola vulgaris, Leach, and an 

 account of a new species by the same. London, 1833 ; 

 10 pages and a colored plate. 



Descriptions of some new species of Cuvier's family of 

 Brachiopoda, by W. J. Broderip. London, 1833; 4 

 pages and 2 colored plates. 



On Clavagella, by the same. London, 1834 ; 8 pages, 1 

 plate. 



On, tlie Genus C/iama, Brug. by the same. London, 1834 ; 

 6 pages, 2 colored plates. 



