TABLE OF CONTENTS. vii 



bon as an Antiseptic, 207 ; Schonbein's Test for Nitrates, 210 ; Medico- 

 legal Examination of Arsenic, 217 ; Physical Isomerism, 215. 



E. MINERALOGY AND GEOLOGY 219 



(a.) MINERALOGY. (Ixxxiv) 



General: Thermo-electric Properties of Minerals, 219; Minute Work in 

 Mineralogj', 219 ; Mineral Statistics of the Colony of Victoria, 220. Spe- 

 cies : Daubreite, 220; Garnierite and Noumeite, 221; Siderazot, a Ncav 

 Mineral, 221 ; Friedelite, 221 ; Kaolin in Nebraslia, 221 ; Melanophlogite 

 and JSrinite, 222 ; Mexican Onyx, 222 ; Ncav Vanadium Minerals, 222 ; 

 Achrematite, 223 ; New Minerals, 223 ; Dredging for Amber, 224 ; Interest- 

 ing Iron Meteorite, 224; an Interesting Aerolite, 225; Composition of Cor- 

 al, 226 ; Volcanic Dust, 227 ; the Borax Lake of California, 223. 



(b.) GEOLOGY. (Ixxxix) 



Boring for Coal, 225; Coal-tields of Spain, 226; Sections of Coal, 226; 

 Volcanic History of Ireland, 227 ; Elevation of the Pacific Coast of South 

 America in Recent Times, 228; the Glacial Epoch in the Rocky Mount- 

 ains, 228 ; Sub-alpine Lake Basins due to Glacial Erosion, 229 ; the Dep- 

 osition of Fine Sediments, 229; Formation of Flood -marks and Gravel 

 Banks, 230. 



F. GEOGRAPHY (cv, cxx) 231 



(a.) GEODESY. 



Aneroids and Hypsomctry, 231 ; New Hypsometric Tables, 231 ; New Form 

 of Mercurial Horizon, 232 ; Correction of Assumed Altitudes in the United 

 States, 233. 



(b.) EXPLORATIONS AND RESEARCHES. 



The Bathometer of Dr. C. W. Siemens, F.R.S., 235 ; Work accomplished by 

 the Challenger, 240; Swedish Arctic Explorations to 1875, 241; Explora- 

 tions made under the Direction of F. V. Hayden in 1876, 242 ; Exploration 

 of the Rocky IMountain Region by J. W. Powell, 255 ; Explorations in 1876 

 of Lieut. George M. Wheeler, U. S. E., 263. 



G. GENERAL NATURAL HISTORY AND ZOOLOGY (cxliv) 265 



(a.) NATURAL HISTORY IN GENERAL. 



Microscopy: Prof. Abbe on the Microscope, 265 ; Limit of Visibility in the 

 Microscope, 265 ; Sorby's Apparatus for Measuring Bands in Spectra, 266 : 

 Nobert's Test-plate, 267 ; Moller's Probe-PIatte, 267 ; Nobert's Test-plates, 

 267 ; Spectroscopic Examination of Blood-stains, 270 ; Microscopic Deter- 

 mination of Blood-stains, 270 ; Air Germs, 272 ; Polarizing Crystals, 272 ; 

 Origin of the Red Clay of Deep-sea Soinidings, 273 ; Sorby on Limits of 

 Vision, 273; Helmholtz on Limits of Vision, 274; Frustula *Saa-o?'ca, 341 ; 

 Aulacodiscus Oregonus, 341 ; Eozoon Canadense, 341 ; Fusisporum Solaria, 

 341 ; Diatoms in the Cuticle of Wheat Straw, 342 ; Cleaning Foraminifera, 

 342 ; Bathybius, 342 ; Professor T. Rupert Jones on the Foraminifera, 343 ; 

 Reclamation by Dr. Carpenter, 344 ; Professor Huxley on Deep-sea Sound- 

 ings, 344 ; Cephalosiplwn and a New Infusorian, 345 ; the Fresh-water Rhiz- 

 opods, 345. Darwinism : Cope's Theory of Evolution, 276 ; Cephalization 



