218 



INDEX II. 



Air, rarefied, on working a steam-engine 

 with, 207. 



Air-pump, on a new, 207. 



Albatros, on the peculiar development of 

 the Vermis cerebelli in the, 133. 



Algse and other plants, on the employ- 

 ment of, in the manufacture of soaps, 

 103; on the sexuality of the, 122. 



Alison (Dr. W. P.) on the application of 

 statistics to questions of medical science, 

 particularly as to the e.Kternal causes of 

 diseases, 155. 



Alkaline earths, on the metals of the, 66. 



Allan (Robert) on the condition of the 

 Haukedalr geysers of Iceland, 75. 



Allman (Prof.) on the signification of the 

 so-called ova of the Hippocrepian poly- 

 zoa, and on the development of the pro- 

 per embryo in these animals, 118. 



Alloys, on, 50. 



Aluminium, on the thermo-electric posi- 

 tion of, 20 ; large bar of, exhibited, 64. 



Alums, on a mode of conserving the alka- 

 line sulphates contained in, 62. 



Amazon water-courses of South America, 

 on the, 155. 



America, on "equitable villages "in, 183. 



Anderson (C. J.) on late explorations in 

 Africa, 146. 



Anderson (George) on the superficial 

 deposits laid open by the cuttings on 

 the Inverness and Nairn railroad, 78. 



Andrews (Dr. Thomas) on the polar de- 

 composition of water by common and 

 atmospheric electricity, 46 ; on the allo- 

 tropic modifications of chlorine and 

 bromine analogous to the ozone from 

 oxygen, 48. 



Andrometer, on the form and dimensions 

 of the human body, as ascertained by 

 an, 127. 



Anemometrical observations, on naval, 45. 



Animals, notes on, 117; on the vertebral 

 homologies in, 128 ; on the antrum py- 

 lori in, 132; on the history of fecun- 

 dation in difierent, 139. 



Antrum pylori in man and animals, on 

 the, 132. 



Appendix, 211. 



Aquarium, marme, on the effects of an ex- 

 cess or wantof heat and light in the, 117. 



Arbroath, on the fall of rain at, 30. 



Archer (Rev. T. C.) on some peculiar 

 circumstances connected with one of 

 the coins used on the west coast of 

 Africa, 140. 



Arctic circle, on the trunk of a tree dis- 

 covered erect as it grew witliin the, 101. 



Arctic expedition, on the late, 147, 149. 



Arctic regions, on the geology of the, 211. 



Arctic searching expedition, on the disco- 

 very of Ichthyosaurus and other fossils 

 in the late, 79. 



Argonaut, on the male of the, 127. 



Arran, on a lately discovered tract of 

 granite in, 80 ; on certain trap dykes 

 in, 94, 



Arsenic, on the compounds of tin with, 64. 



Artillery and projectiles, on, 203, 



Arvicolffi, on the species of, found in 

 Nova Scotia, 110. 



Ascaris mystax, on the fecundation of the 

 ova in, 131 ; on ihe structure and for- 

 mation of the spermatozoa in, 138. 



Astronomy, 25. 



Atlantic, on wind charts of the, 39. 



Atlantic water-courses of South America, 

 on the, 155, 



Atmosphere, on the condition of the, du- 

 ring cholera, 71. 



Attraction, on a compass independent of 

 local, 207. 



Aurora borealis, on the, 42. 



Australia, on the auriferous quartz for- 

 mation of, 81 ; on the growth and com- 

 mercial progress of, 188. 



Aztec crania, on, 145. 



Babbage (Henry P.) on mechanical no- 

 tation as exemplified in the Swedish 

 calculating machine of Messrs. Scheiitz, 

 203. 



Babylon, geographical and historical re- 

 sults of the French scientific expedition 

 to, 148. 



Baikie (Dr. W, B.) on the late expedition 

 up the Niger and Tchadda rivers, 146. 



Baker (J. G.), an attempt to classify the 

 flowering plants and ferns of Great Bri- 

 tain according to their geognostic rela- 

 tions, 99; on Galium montanum,Thuill., 

 and G. commutatum, .lord., 100. 



Balfour (Dr.), specimens illustrating the 

 distribution of plants in Great Britain, 

 and remarks on the flora of Scotland, 

 100. 



Balls to be thrown from common guns, on 

 a new kind of, 206. 



Banks (Richard) on the recent discovery 

 of ichthyolites and Crustacea in the 

 tilestones of Kington, 78. 



Barklay (Robert) on an instrument for 

 sounding, 205. 



Barnett (Mr.) on photographic researches, 

 48. 



Barrett (Lucas) on the Brachiopoda ob- 

 served in a dredging tour with Mr, 

 M'Andrew on the coast of Norway in 

 the summer of the present year 1855, 

 106, 



