Nature: a Weekly Illustrated Journal of Science: vol. vii., Nos. 165- 



172; vol. viii., Nos. 173-203; vol. ix., Nos. 204-215. 

 Journal of Applied Science: vol. iii., No. 35, 1872; vol. iv. No. 39, 1873. 

 Dublin — Ro_yal Geological Society: Journal, vol. iii., pt. 3, New Series, 

 1S72-3. 

 Roval Society ot Dublin : Journal, vol. vi., No. 2, 1872. 

 Belfast — The Belfast Naturalists' Field Club : 6th, 8th & 9th Annual Re- 

 ports, 1868-9, 1870-1, 1S71-2. 



SOUTH AMERICA. 



Rio Janeiro — L'Observatoire Imperial de Rio de Janeiro : Climats, Geo- 

 logie, Faune et Geographic Botanique du Bresil, par Emmanuel Liais, 

 Directeur, 8vo, Paris, 1872. 



Mexico — Sociedad de Geografia y Estadistica de la Republica Mejicana: 

 Boletin, T. i., n°. 1-2, Mdjico, 1873. 



BRITISH PROVINCES. 



Montreal — Natural History Society of Montreal : Canadian Naturalist & 

 Proc , New Series, vol. vii., Nos. 1-3, 1S73. 



Toronto — Canadian Institute : Journal, vol. xiii., Nos. 5-6, 1873; vol. xiv., 

 No. 1, 1873. 



Halifax — The Nova Scotian Institute of Natural Science: Proc. & Trans- 

 actions, 1870-71, 1871-72; vol. iii., pts. 1-3., 1872-3. 



Quebec — The Literary and Historical Society of Quebec : Transactions, 

 Sess. 1S71-72, New Series, pts. 9-10, 1872-73. 



UNITED STATES. 



Boston — American Academy of Arts and Sciences : Memoirs, New Series, 

 vol. ix., pt. 2, Cambridge, 1873; P r °c, vol. viii., pp. 409-504, 1873. 

 Boston Society of Natural History: Proc, vol. xv., pt- 2., 1872, Boston, 

 1373- 



Cambridge — Museum of Comparative Zoology: Bulletin, Fossil Cephalo- 

 pods, Embryology by Alpheus Hyatt, vol. iii., No. 5; Ornithological 

 Reconnoisance by J. A. Allen, vol. iii., No. 6, 1S72. 



Washington — Smithsonian Institution : Contributions to Knowledge, vol. 

 xviii., 4to, Washington, 1873; Smithsonian Report for 1871 ; Astro- 

 nomical and Meteorological Observations of the U. S. Naval Observa- 

 tory, Rear Admiral B. F. Sands, U. S. N., Superintendent, 410, Wash- 

 ington, 1873. 

 National Observatory : Astronomical and Meteorological Observations, 

 1S70, 4to, Washington, 1S73 ; Catalogue of Stars observed at the U. S. 

 Naval Observatory, during the years 184s to 1871, by Prof M. Yarn- 

 all, U. S. N., by order of Rear Admiral B. F. Sands, U. S. N., Sup't, 

 Washington, 1873; Appendix I., a Catalogue of 1963 Stars and 290 

 Double Stars observed at Santiago, Chili, in 1850-51-52, by the U. S. 

 Naval Expedition, by Lieut. J. M. Gilliss, LL.D., Sup't, Washington, 

 1870; Report of Difference of Longitude between Washington and St. 

 Louis, by William Harkness, Prof. U. S. N., prepared by order of Rear 

 Admiral B. F. Sands, Sup't, Washington. 1872; Equatorial Funda- 

 mental Stars, by Simon Newcomb, Prof. Math. U. S. N.. by order of 

 Rear Admiral Sands, Sup't; Report of Observations of Encke's Comet 

 in 1871, by Profs. A. Hall and Win. Harkness, U. S. N., by order of 

 Rear Admiral Sands, Sup't, Washington, 1872; Report of Total Solar 

 Eclipse of Dec. 22, 1S70, by order of Rear Admiral B. F. Sands, U. S. 

 N., Sup't, Washington, 1871. 

 The U. S. Geological Survey of the Western Territories, F. V. Hayden, 

 U. S. Geologist: Acrididae of North America, by Cyrus Thomas, Ph. 

 D. (vol. v., 1873) ; Miscellaneous Publications, No. 2 ; Meteorologi- 



