1881.] 



Presents. 



55 



Transactions (continued). 



Depot de la Marine. Annales Hydrographiques. 1880. 2e 

 Semestre. 8vo. Paris 1880. The Depot. 



Ecole des Mines. Annales. 7e Serie. Tome XVIII. 8vo. Paris 

 t 1880. The School. 



Ecole Xormale Superieure. Annales. 2e Serie. Tome IX, Sup- 

 plement. Tome X. Xos. 1-4. 4to. Paris 1880-81. 



The School. 



Ecole Polytechnique. Journal. 48e Cahier. Tome XXIX. 4to. 



Paris 1880. The School. 



Ecole Pratique des Hautes Etudes. Laboratoire d'Histologie du 



College de France. Travaux 1879-80. 8vo. Paris 1880. 



The School. 



Faculte des Sciences. Theses. 4to. Paris 1880. The Faculty. 

 Societe de Geographie. Bulletin. Decembre, 1880. 8vo. Paris 



1880. ~ The Society. 



Societe Francaise de Physique. Seances. Juillet-Decembre, 1880. 



8vo. Paris 1880. Resumes, Juin, 1880— Mars, 1881. 8vo. 



The Society. 



Societe Philomathique. Bulletin. 7e Serie. Tome IV. No. 4. 

 Tome V. Xo. 1. 8vo. Paris 1880-81. The Society. 



Observations and Reports. 



Dehra Dun : — Great Trigonometrical Survey of India. Synopsis 

 of the Results. Vols. VII-IX. 4to. Dehra Dim 1878-79. 



The Survey. 



St. Petersburg : — K. Akademie der Wissenschaften. Die Tem- 



peratur-Verhaltnisse des Russischen Reiches. Halfte II. 4to. 



St. Petersburg 1881. With Atlas. The Academy. 



Toronto : — Magnetic Observatory. Tracings from Photographic 



Record of Magnetic Storm, January 30 to February 1, 1881. 



Single sheet. The Observatory. 



Abel (F. A.), F.R.S. Report on the Results of Experiments made 

 with Samples of Dust collected at Seaham Colliery. 4to. London 

 1881. The Author. 



Duncan (P. M.), F.R.S. , and W. P. Sladen. A Memoir on the Echino- 

 dermata of the Arctic Sea to the West of Greenland. 4to. London 

 1881. The Author. 



Evans (John), Treas. R.S. The Ancient Bronze Implements, Weapons 

 and Ornaments of Great Britain and Ireland. 8vo. London 1881. 



The Author. 



