34 



Lamarck. An illustrated enlarged edition of Lamarck's spe- 

 cies of Shells. 12mo. cloth. London, 1862, 



Lea, Isaac. Observations on the genus Unio, &c. 4to, 1866, 

 vol. 11th. From the Author. 

 Index to Vols. I — XI of Observations on the Genus Unio. 

 From the Author. 



Lessers, Friedrich Christian. Testaceo-Theologia. 12mo. 

 Leipzig, 1756. From Geo. W. Tryon, Jr. 



Lewis, James. Suggestions to Collectors. 8vo. paper. From 

 the Author. 



London. Proceedings of the Scientific Meetings of the Zoolog- 

 ical Society of London, for the year 1866. Parts II and 

 III. 1867 Part I. From the Society. 



Loven, S. Berattelse om framstegen i Molluskernas, Crusta- 

 ceernas och de lagre SkelettliJsa djurens Naturhistoria 

 under Aren 1845 — 1849 till. K.Vetenskaps-Akademien. 

 8vo. Stockholm, 1852. From Geo. W. Tryon, Jr 



McAndrew, R. Note of the MoUusca observed during a short 

 visit to the Canary and Madeira Islands in the months of 

 April and May, 1862. 8vo. pamphlet. From the 

 Author. 

 On the geographical distribution of Testaceous Mollusca in 

 the North Atlantic and neighboring seas, 1854. 8vo. 

 pamphlet. From the Author. 

 Notes on the Distribution and Range in depth of Mollusca 

 and other Marine Animals observed on the coasts of 

 Spain, Portugal, Barbary, Malta and Southern Italy, in 

 1849. 8vo. pamphlet. From the Author. 

 Report on the Marine Testaceous Mollusca of the North- 

 east Atlantic and neighboring seas, and the physical con- 

 ditions effecting their development. 8vo. pamphlet, 1856. 

 From the Author. 



Meek, F. B. Check List of the Invertebrate Fossils of North 

 America. Eocene and Oligocene, by T. A. Conrad. 

 Miocene, Cretaceous and Jurassic, by F. B. Meek. From 

 the Smithsonian Inst. 

 Palaeontology of the Upper Missouri. Invertebrates, by F. 

 B. Meek and F. V. Hayden, M.D. Part 1. From the 

 Smithsonian Inst. 

 Geological Survey of California. Palaeontology. 4to, 1864. 

 From Geo. W, Tryon, Jr. 



Mighels, J. W. Catalogue of Shells of Maine. One vol., 8vo. 

 From Geo. W. Tryon, Jr. 



Milne, Edwards. Sur la Circulation chez les Mollusques. From 

 Geo. W. Tryon, Jr. 



