IlfSEX II. 



263 



ture of spiral ducts in plants, and their 

 relationship to the flower, 131 ; an 

 inquii-y into the functions of colour 

 in plants dm-ing different stages of their 

 development, 131. 

 Still-buths, George Seton on the ex- 

 pediency of recording, 215, 



Stokes (Prof. G. G.) on the researches 

 of the late Eev. W. Vernon Har- 

 coiu't, 38. 



Stone-implement periods in England, 

 J. W. Flower on the relative ages of 

 the flint- and, 150. 



Stoney (G. J.) on one cause of trans- 

 parency, 41 ; on the advantage of re- 

 terring the positions of lines in the spec- 

 trum to a scale of wave-numbers, 42. 



* on the relation between British 



and metrical measm-es, 222. 



Strange (Lieut.-Colonel) on government 

 action on scientific questions, 56. 



Stratified rocks of Islay, J. Thomson on 

 the, 113. 



Struthers (Prof) on some rudimentary 

 structures recently met with in the dis- 

 section of a large fin- whale, 142 ; on 

 the cervical vertebrae in Cetacea, 142. 



* on skulls presenting sagittal 



synostosis, 160. 



Sulpho-urea, Dr. J. E. Heynolds on the 

 action of aldehyde on, 76. 



Sulphur, F. Crace-Calvert on the esti- 

 mation of, in coal and coke, 68. 



Sulphur dichloride, J. Dalzell and T. 

 E. Thoi-pe on the existence of, 68. 



Surfaces, C. W, Menifield on certain 

 families of, 18; note by Mr. Cayley,19. 



*Sutton (R.) on a new photographic 

 diy process, 44. 



Swan (Prof. W.) on the wave-lengths of 

 the specti-a of the hydrocarbons, 43. 



Sylvester (J. J.) on the theoiy of a 

 point in partitions, 23. 



Symouds (the Kev. W. S.) on the con- 

 tents of a hyaena's den on the Great 

 Dowai-d, Whitchurch, Ross, 109 ; on 

 a new fish-spine from the Lower Old 

 Red Sandstone of Hay, Breconshire, 

 110. ^ 



• , on implements found in King 



Ai-thur's Cave, near Whitchurch, 160. 



Tailless trout of Islay, C. W. Peach on 

 the so-called, 133. 



Tait (Prof. P. G.), Addi-ess to the Ma- 

 thematical and Physical Section, 1; 

 on thermo-electiicity, 48. 



Talbot (H. Fox) on a method of esti- 

 mating the distances of some of the 

 fixed stars, 34. 



*Tayler (WO on the manual labour 

 classes of England, Wales, and Scot- 

 land, 223. 

 Taylor (Commander A. D,) on the pro- 

 posed ship-canal between Ceylon and 

 India, 189. 

 'Taylor (J. S.) on the later crag-deposits 

 of Norfolk and Sufiblk, 110. 



Telegraph, Prof. Zenger on a new key 

 for the Morse printing, 48. 



Temperature-equiUbrium, Prof. Balfom- 

 Stewart on the, of an enclosure in 

 which there is a body in visible mo- 

 tion, 45. 



*Tetanometer, Dr. M'Kendrick on a new 

 form of, 140. 



Thermo-dynamics of the general oceanic 

 circulation, Dr. W. B. Carpenter on 

 the, 51. 



Thermo-electricity, Prof. Tait on, 48. 



Thermometer of translation, T. Steven- 

 son on a, for recording the daily 

 changes of temperature, 241. 



Thomson (Dr. Allen) , Address to the Bio- 

 logical Section, 114. 



Thomson (Prof J.), speculations on the 

 continuity of the fluid state of matter, 

 and on the relations between the 

 gaseous, the liquid, and the solid 

 states, 30 ; observations on water in 

 frost rising against gravity rather 

 than freezing in the pores -of moist 

 earth, 34. 



Thomson (James) on the stratified rocks 

 of Islay, 110. 



Thomson (Sir W.) on the general cano- 

 nical form of a spherical hannonic 

 of the nth order, 25. 



Thomson (W.) on a road steamer, 241. 



•Thomson (Prof. WyviUe) on the struc- 

 ture of crinoids, 134; on the palfe- 

 ontological relations of the fauna of 

 the North Atlantic, 134. 



Thorax of living birds. Dr. James Mm-ie 

 on the development of fungi within 

 the, 129. 



Thoi-pe (Dr. T. E.), contributions to the 

 histoiy of the phosphorus chlorides, 

 81. 



and J. Dalzell on the existence of 



sulphiu- dichloride, 68. 



Tichbourne (C. R. 0.) on the dissocia- 

 tion of molecules by heat, 81. 



Tides, atmospheric, the Rev. Prof. Chal- 

 lis on the mathematical theory of, 51. 



Tomlinson (Charles) on the beha-viour of 

 supersaturated saline solutions when 

 exposed to the open airf 82. 



Torpedoes, Philip Braham on an appa- 

 ratus for working, 229. 



