64 PROCEEDINGS OF SOCIETIES. 



Presented by 



On the Measurement of the Striae of Diatoms. By 

 W. S Sullivant and T. G. Wormley. Also Twenty- 

 four Slides of Diatoms with the above . . The Authors. 



The Proceedings of the Academy of Natural Sciences 



of Philadelphia. 1857 . . . The Sjciety. 



The Ohio Agric. Report. 1856 . . Ditto. 



June 29tL 

 Quarterly Journal of the Geological Society, Vol. II, 



Part 2 . . . . Ditto. 



The Journal of the Royal Dublin Society, Nos. 12, 13 Ditto. 

 The Photographic Journal, No. 85 . . Ditto. 



The List of the Linnean Society. 1858 . . Ditto. 



Journal of the Proceedings of the Linnean Society. 



Supplement to Botany, No. 2 . . Ditto. 



Journal of the Proceedings of the Linnean Society, 



Vol. Ill, No. 12 . . . . Ditto. 



Transact ions of the Linnean Society, Vol. XXII, Part 3 Ditto. 

 Nine Photographs of various Microscopic Objects. 



By M. S.Legg, Esq. . . . M. S. Legg, Esq. 



June to October. 



Thoughts on Animalcules ; or, a Glimpse of the In- 

 visible World revealed by the Microscope. By G. 

 A. Mantell. 1846 . . F. C. S. Roper, Esq. 



Das Mikroskop. Von P. Harting. 1859 . Ditto. 



Some Observations on the Diatomaceseof the Thames. 

 By F. C. S. Roper. 1S54 . . . The Author. 



Notes on some New Species and Varieties of British 



Marine Diatomame. By P. C. S. Roper. 1S57 . Ditto. 



On the Genus Bii'dulp'iia and its Affinities. ByE.C. 



S. Roper. 1858 .... Ditto. 



The following have been taken in exchange for sets of the 

 original Transactions and back numbers of the Journal. 



EXCHANGES. 



Construction of Timber from its earliest Growths, explained by the Mi- 

 croscope. Bv J. M. 1). Hiil. 1724. 



Dr. HassaU's British Fresh-water Algae, 2 vols. 1845. 



Kolliker's Manual of Human Histology, 2 vols. Sydenham Society, 

 1852-54. 



Wedl's Pathological Histology. Sydenham Society. 1854-55. 



Reeherehes Chimiques et Microscopiques sur les Conferves, Bisses, Tre- 

 melles, &c. Par Girod-Chantrans. 1802. 



Cours de Microscopie complementaire des etudes medicales Anatomic 

 microscopique et Physiologie des Fluides de l'economie. Par Al. Donne. 

 1844. 



Traite auatomique de la Chenille. Par P. Lyonet. 1762. 



Species Algarum. Par F. T. Kiitzing. 1849. 



PURCHASES. 

 A Handbook of the Microscope. By W. L Notcutt. 1859. 

 Dr. Bereira's Lectures on Polarised Light. 1854. 

 The Microscope. By Dr. Lardner. 1856. 

 Professor Quekett's Lectures on HistoloErv. 1854. 



