^38 



REPORT 1873. 



•Clifford (Prof.) on some curves of the 



fifth class, 9; *on a surface of zero 

 - curvature and finite extent, 9. 

 Clouds and rain, J. P. Harrison on lunar 



infiuence on, 4.3. 

 Coal, Rev. J. Gunn on the probability 



of finding, in the Eastern Counties, 



81. 

 * cutting- machine, the Kant-y-glo, 



Dr. "W. J. Clapp on, 21-3. 

 * gas, A. Vernon Hareourt and F. 



W. Fison on a continuous process for 



purifying, and obtaining sulphur and 



ammonium sulphate, C4. 

 * in Cliina, Baron von Richthofen 



on the distribution of, 173. 

 measures, Prof W. C. Williamson 



on fern-stems and petioles of the, 106. 





Codeine and morphine. Dr. C. R. A. 

 Wright on new derivatives from, G7. 



Colossi, J. S. Phen^ on an age of, 147. 



Commercial panics, W, D. Henderson 

 on, 193. 



Compound pendulum apparatus, S. C. 

 Tisley on a, 48. 



Confederated homes and cooperative 

 housekeeping, Mrs. E. M. King on, 

 195. 



*Cora (G.) on the ec[uatorial lakes of 

 Africa, 167. 



Coral-caves with human bones in sta- 

 lagmite on Mangaia, South Pacific, 

 Rev. W. W. Gill on, 144. 



* Correlation between specific weight 

 and specific heat of chemical elements, 

 Prof. Zenger on the, 40. 



Correspondence between some areas of 

 apparent upheaval and the thickening 

 of subjacent beds, W. Topley on the, 

 91. ' 



*Cost of living. Prof. L. Levi on the 

 increased, and its relation to the rates 

 of wages and salaries, 196. 



*Cownley (A. D.) and Dr. Paul on the 

 valuation of commercial crude anthra- 

 cene, 65. 



Crag, W. Whitaker on the occurrence 

 of, in the S.W. part of Suftblk (Sud- 

 bury), 92. 



Craven, J. R. Dakyns on the geology of 

 part of, 78. 



, W. Gomersall on the round 



boulder hills of, 80. 



Cresol derivatives, Dr. H. E. Ai-mstrong 

 on, 63. 



Crystals in the testa and pericarp of cer- 

 tain plants. Prof. Gulliver on the, 104. 



'Curves of the fifth class, Prof. Clifford 

 on some, 9. 



Cyclones and rainfall, C. Meldrum on a 



periodicity of, in connexion with the 

 sun-spot periodicity, 43, 



Dakyns (J. R.) on the geology of part 

 of Craven, 78. 



*Dampier, the voyager, Prof. Lawson 

 on plants collected by the, 105. 



*Danchell (F. H.) on peat, 186. 



Dardanelles, Dr. Carpenter on the under- 

 currents of the Eosphorus and, 41. 



*Darwin (G. II.) on a portable globe, 

 and on some maps of the world, 107. 



*Davis (A. S.) on some abnormal effects 

 of binocular vision, 126. 



(Capt. J. E.) on an improvement 



in the sextant, 44; on the scientific 

 voyage of the ' Challenger,' 167. 



(S.) on Brain's system of mining 



by means of boring-machinerj', dyna- 

 mite, and electric blasting, 213. 



(W. S.) on some abnormal effects 



of binocular vision, 36; *on the re- 

 fraction of liquid waves, 43. 



Dawkins (W. Boyd) on the rate at 

 which stalagmite is being accumulated 

 in the Ingleborough Cave, 80 ; on the 

 northern range of the Iberians iu 

 Europe, 142. 



Decimal point, J. W. L. Glaisher on the 

 introduction of the, into arithmetic, 13. 



Devon, South, the discovery of a species 

 of starfish in the Devonian beds of, 

 A. Champernowne on, 77 ; H. Wood- 

 ward on, 77. 



*Dewar and INIacKendrick (Drs.) on the 

 action of light on the retina and other 

 tissues, 126. 



Differential resolvent.^. Rev. R. Harley 

 on the theorj' of, 17. 



*Dittiaction-grating, the Draper-Ru- 

 therford, J. N. Lockyer on, 38. 



Dimethylaniline, Dr.H. E.Armstrong on 

 the action of sulphuric acid on ethyl- 

 aniline and, 62. 



Dioiifpa musci]}tda,T)v. Burden Sanderson 

 on the electrical phenomena which 

 accompany the contractions of the leaf 

 of, 133. 



Dithyrocaris, H. Woodward and R. 

 Etheridge, jun., on some specimens of, 

 from the carboniferous limestone 

 series, East Kilbride, and from the 

 Old Red Sandstone (?) of Lanarkshire, 

 92. 



*Diverticulum of the small intestine in 

 man. Prof. C. A. Struthers on the, 

 considered as a rudimentary structure, 

 134. 



Donkin (A. E.) on an instrument for the 

 composition of two hannoniccurves,45. 



