342 DR A. BTJCHAN ON SPECIFIC GRAVITIES AND OCEANIC CIRCULATION. 



APPENDIX. 



The following are the sources of information from which the specific gravities at 

 depth of 100 fathoms and greater depths have been obtained : — 



1. Eeport on the Specific Gravity of Ocean Water, observed on board H.M.S. 

 "Challenger" during the years 1873-76. By J. Y. Buchanan, M.A., F.R.S.E. (Phys. 

 Cheni. Chall. Exp., pt. ii., 1883). 



2. The Exploration of the Gulf of Guinea. By J. Y. Buchanan, F.R.S. (The Scottish 

 Geographical Magazine, vol. iv., 1888). 



3. The Norwegian North Atlantic Expedition, 1876-78 (The North Ocean : its 

 Depths, Temperature, Specific Gravities, and Circulation). By Professor H. Mohn, 

 Christiania, 1887. 



4. Report on Scientific Researches carried on during August, September, and October 

 1871 in H.M. Surveying Ship "Shearwater." By William Carpenter, M.D., LL.D., 

 F.R.S. (Proc. Roij. Soc, vol. xx. p. 535, 1871). 



5. Die Forschungsreise, S.M.S. "Gazelle" in den Jahren 1874 bis 1876, unter 

 Kommando des Kapitan zur See Freiherrn von Schleinitz ; herausgegeben von dem 

 Hydrographischen Amt des Reichs-Marine-Amts, Berlin, 1889. 



6. Journal of Hydrological Observations made by Officers of the Corvette " Vitiaz " 

 during a Voyage of Circumnavigation, 1886-89. By Admiral Makaroff, Admiralty, 

 St Petersburg, 1894. 



7. Berichte der Commission fiir Erforschung des ostlichen Mittelmeeres, Erste uud 

 Zweite Reihe (Denkschr. d. k. Akad. Wiss. Wien Bd. lix. and lx.). 



8. Observations from Soundings taken by the Indiarubber and Telegraph Works 

 Company (various years). 



9. Report on Physical Observations on the Sea to the West of Lewis in 1887. By 

 Hugh Robert Mill, D.Sc, F.R.S.E. (Fishery Report, 1888). 



10. Report on Physical Observations carried out on board H.M.S. " Jackal," 1893-94. 

 By H. N. Dickson, F.R.S.E., F.R.G.S. (Report of the Fishery Board for Scotland for 

 1893). 



11. Resultaten af den Svenska Hydrografiska Expeditionen Ar 1877 under 

 L< dning af F.L. Ekman. Efter F.L. Eckmans Dod utarbetad af Otto Pettersson, 

 Stockholm. 



