VI CONTENTS. 



53. Note on Geographical Distribution of North American Land Shells, 



from same, Vol. IX., p. 177, 1863. 



54. On Lingual Dentition studied by the Microscope and Photography. 



From American Journal of ConChologj'', Vol. V., p. 37, 38, pi. 

 xi., 1869, with a note by Mr. Bland. 



55. Notes sur quelques especes de mollusques fluviatiles de I'Amerique 



du Nord. From Journal de Conchologie, Vol. XX. (3d series, 

 Vol. VIL) ; Paris, 1867, p. 427—432. 



56. Catalogue of Land Shells, p. 725. From E.Kplorations in Nebraska. 



Preliminary Report of Lieut. G. K. Warren, Top. Eiig., &c. Dr. 

 F. V. Hayden's Report on Geology and Natural History. From 

 Executive Documents, printed by order of the House of Repre- 

 sentatives, during the second session of the 35th Congress, 1858-59, 

 Vol. II., Part III., p. 723. Washington, 1859. 



57. Report on the Land Shells collected on the Survey, from Reports 



of Explorations and Surveys to ascertain the most practicable and 

 economical Route from the Mississippi River to the Pacific Ocean, 

 made under the direction of the Secretary of War, in 1854-5, Vol. 

 VI., p. 111—114. Washington, 1857. 



I have also published the following works : — 



58. The Terrestrial Air-breathing Mollusks of the United States, Vol, 



IV., pp. 207, and six colored plates, lorming also Part I. of Vol. 

 VII. of the Boston Journal of Natural History. Westermaun & 

 Co. : New York, 1859. 



59. Land and Fresh-water Shells of North America. Part II. Pul- 



monata Limnophila and Thalassophila, pp. 161, and wood-cuts. 

 From Smithsonian Miscellaneous Collections. Washington, 1865. 



60. Part III. of same ; AmpuUariidae, Valvatidae, Viviparidse, Fresh- 



water Risaoidfe, Cyclophoridfe, Truncatellidse, Fresh-water Neri- 

 tidge, Helicinidse, pp. 120, and wood-cuts, 1835. 



61. Part I. of same ; Palmonata Geopliila (in connection with Mr. 



Bland), pp. 316, and wood-cuts, 1869. 



62. Report on tlie Invertebrata of Massachusetts, by A. A. Gould, M.D. 



Second edition. Boston, 1870, pp. 524, wood-cuts, and eleven 

 colored plates. 



63. The Complete Writings of Thomas Say on the Conchology of the 



United States. New York, H. Bailliere, 1858, pp. 253, 74 pi. 

 The "Descriptions of Terrestrial Shells of North America" were 

 published separately in 1856. Philadelphia : Childs & Peterson, 

 pp. 40. 



