1871.] 



Presents. 



347 



Ballard (E.) On a localized Outbreak of Typhoid Fever in Islington, 

 during the months of July and August 1870, traced to the use of 

 impure Milk. 8vo. London 1871. The Author. 



Clausius (R.) Ueber einen auf die Warme anwendbaren mechanischen 

 Satz. 8vo. 1870. Ueber die Zuriickfiihrungdes zweitenHauptsatzes der 

 mechanischen Warmetheorie auf allgemeine mechanische Principien. 

 8vo. 1870. The Author, by Dr. Tyndall, F.R.S. 



Wilson (Erasmus), F.R.S. Lectures on Dermatology; a Synopsis of 

 Diseases of the Skin. 8vo. London 1871. The Author. 



Two Photographs of the Skeleton of the Hooded Dodo (Didus ineptus). 



The Trustees of the British Museum. 

 Engraved Portrait of Joseph Hodgson, F.R.S., from a Painting by John 

 Partridge, 1849. Prof. Partridge, F.R.S. 



Plaster Bust of Sir Francis Ronalds, F.R.S., by E. Davis. 



S. Carter, Esq. 



February 16, 1871. 



Transactions. 



Cambridge, Mass.: — American Association for the Advancement of 

 Science. Proceedings, Eighteenth Meeting, held at Salem, Mass., 

 August 1869. 8vo. Cambridge 1870. The Association. 



Harvard College. Annual Reports of the President and Treasurer, 

 1868-69. 8vo. Cambridge 1869. Report of the Board of Overseers. 

 8vo. Cambridge 1869. Catalogus Universitatis Harvardianse, 1869. 

 Catalogue of the Officers and Students, 1869-70. 12mo. Cam- 

 bridge 1869. Addresses at the Inauguration of C. W. Eliot as Pre- 

 sident. 8vo. Cambridge 1869. Catalogue of the Collection of En- 

 gravings bequeathed by Francis C. Gray, by L. Thies. 4to. Cam- 

 bridge 1869. The College. 



London : — British Pharmaceutical Conference. Year Book of Pharmacy, 

 with the Proceedings at the Seventh Annual Meeting held at 

 Liverpool, Sept. 1870. 8vo. London 1870. The Conference. 



Geological Society. Quarterly Journal. No. 103-105. 8vo. London 

 1870-71. The Society. 



Society of Antiquaries. Proceedings. Second series. Vol. IY. No. 9. 

 8vo. London 1870. The Society. 



Observations, &c. 



Dresden : — Resultate aus den meteorologischen Beobachtungen ange- 

 stellt an den fiinfundzwanzig Konigl. Sachsischen Stationen im 

 Jahre 1868, von C. Bruhns. Jahrgang 5. 4to. Dresden 1870. 



The Author. 



London : — Meteorological Office. Quarterly Weather Report. Part 3. 



4to. London 1871. The Office. 



New York : — Annual Report of the Adjutant-General. 8vo. Albany 



1870. The State of New York. 



