INDEX II. 



207 



^.3choniburgk (Sir Robert), a journey to 

 Xiengmai and Moiilmein, 147. 



Scott (Dr.) on the Tiu'dus torqiiatus as 

 observed in Devonshire, 100. 



Scott (W. L.) on some probable new 



. sources of thallium, 41. 



*Screw-propeller8, G. B. Galloway on 

 improvements in, 186. 



*Scythians, Due de Rousillon on the, 

 147. 



Seeley (HaiTy) on the Pterodactyle as 

 evidence of a new subclass of Vei-te- 

 brata (Sam-omia), 69 ; on the signifi- 

 cance of the sequence of rocks and 

 fossils, 69 ; on the significance of the 

 septa and siphuncles of cephalopod 

 shells, 100. 



Selwyn (Captain) on submarine tele- 

 graphy, 188. 



*Sewage, Dr. H. Bird on the utilization 

 of, 24. 



, W. Gee on the mode adopted at 



the Bradford-on-Avon Union for the 



. utilization of, 28. 



of towns, Dr. Stevenson Macadam 



on the pollution of rivers by the, 32 



Sewerage question, Dr. J. Hughes Ben- 

 nett on the physiological aspect of the, 

 117. 



Sexes, Dr. John Davy on the tempera- 

 ture of the, 121. 



.Shells, W. Pengelly on an accumidation 

 of, with human industiial remains, 

 found near the river T^ign, in Devon- 

 shire, 63. 



Shetland Islands, C. W. Peach on traces 

 of glacial drift in the, 59. 



Shetlands, Dr. J. E. Gray on the new 

 corals from the, 95. 



Ships of war. Admiral Sir E. Belcher 

 on improvements in the defence of, 

 184. 



, Captain Wheatley on improve- 

 ments in the defence of, 190. 



*Ships, plated, and their ai'mament, 

 Capt. Wheatley on, 190. 



Prof. W. .T. M. Eankine on some of 



the strains of, 187. 

 *Shortt (Dr.) on some rude tribes sup- 

 posed to be the aborigines of S. India, 



147. 

 Showers (Lieut.-Col.) on the Meenas, a 



wild tribe of Central India, 147. 

 Siberia, Alex. Michie's notes on, 145. 

 *SLlicates, aluminous. Dr. Sidlivan on 



the precipitation of, from solution, 42. 

 Silurian schist. Dr. IL. N. Eubidge on 



the relations of the, with the quartzose 



rocks of S. Afiica, 66. 

 Skulls, ancient British, Dr. J. Thurnam 



on obliteration of the sutures in one 

 class of, 128. 



Slag, Dr. B. H. Paid on useful applica- 

 tions of, from iron-smelting, 37. 



'Slavonic countries of Austria and Tur- 

 key in Eiu'ope, Miss Muir Mackenzie 

 on her journeys in the south, 145. 



Smith (Dr. Edward), his address as pre- 

 sident of the Subsection 1), 101 ; on 

 the best method of estimating the nu- 

 tritive value of foods and dietaries, 128. 



Smyth (W. W.) on the thermal water 

 of the Clifford amalgamated mines of 

 Cornwall, 70. 



Solar photosphere, Rev. W. R. Dawes 

 on the present aspect of the discussion 

 respecting the telescopic appearance 

 of the, 4. 



Somersetshire, Henry B. Brady on the 

 Foraminifera of the middle and upper 

 lias of, 50. 



W. Boyd Dawkins on the newer 



Pliocene fauna of the caverns and 

 river-deposits of, 53. 



Sorby (11. C.) on the conclusion to be 

 di-awn from the physical structure of 

 some meteorites, 70 ; on microscopical 

 photographs of various kinds of iron 

 and steel, 189. 



Sound, Dr. J. Stevelly on a mode of de- 

 termining the velocity of, 20. 



*South Wales mineral basin, A. Bassett 

 on the, 50. 



Species, Dr. Daubeny on the decay of, 

 and on the natural provisions for ex- 

 tending their duration, 87. 



Spectra of some of the heavenly bodies. 

 Prof W. A. Miller on the, 12. 



Spectroscope, J. Browning on a new 

 form of, in which direct vision is 

 obtained with a single prism, 9. 



Spence (P.) on copper-smelting, 41. 



Spender (Edward) on the " truck sys- 

 tem " in some parts of the West of 

 England, 175. 



Sphygmograph, Dr. J. Hughes Bennett 

 on Marcy's new, 119. 



Spiders, Richard Beck on the spinnerets 

 of, 88. 



, trap-door, from Corfu, R. F.W^right 



on some, 101. 



Spruce (Richard) on the physical geo- 

 gTaphy of the Peruvian coast-valleys 

 of Chira and Piura and the adjacent 

 deserts, 148 ; on the river Puriis, 148. 



St. Da\'id's, Pembrokeshire, J. W. Salter 

 on the old Pre-Cambrian (Laurentian) 

 island of, 67. 



*St. Helena, Sir C. Elliot on a recent 

 earthquake at, 143. 



