234 



REPORT — 1860. 



rays produced by the action of mag- 

 netism, 54. 



Verloren (Dr.) on the effect of tempera- 

 ture and periodicity on the develop- 

 ment of certain lepidoptera, 123. 



Vertebrata, terrestrial, P. L. Sclater on 

 the geographical distribution of, 121. 



Vision, binocular, experiments and con- 

 clusions on, by Prof. W. B. Rogers, 17. 



Vivian (E.), results of his new self-regis- 

 tering hygrometers, 55. 



Voelcker (Prof.) on poisonous metals in 

 cheese, 73. 



Volcano fthe Kbtlugja) in Iceland, W. 

 L. Lindsay on an irruption of, 86. 



Volcanos, Dr. Daubeny on the elevation 

 theory of, 75. 



Volume theory, CM. von Bose on the, 71. 



Volutor, Rev. Dr. Booth on an improved 

 instrument for describing spirals, GO. 



Wallace (Dr. W.) on the causes of fire 

 in Turkey-red stoves, 73. 



Washing machine, atmospheric, by J. 

 Parker, 210. 



Washington, Smithsonian Institution at, 

 P. P. Carpenter on the principles and 

 working of the, 109. 



Water, D. Chadwick on a meter for the 

 correct measurement of, 204. 



Water-meters, D. Chadwick on, 204. 



Weeds, exposed to a temperature of 198° 

 below zero of Fahrenheit's scale not 

 losing the power of germination, Prof. 

 Wartmann on, 110. 



Weld (Rev. A.), results of ten years' me- 

 teorological observations at Stonyhurst, 

 56. 



Werner and Siemens (Messrs.), outline 

 of the principles and practice involved 

 in dealing with the electrical conditions 

 of submarine electric telegraphs, 32 ; 



on a mode of covering wires with india- 

 rubber, 215. 



Westwood (J. O.) on mummy beetles, 

 123 ; on a lepidopterous parasite on the 

 body of the Fulgora candelaria, 124. 



Wexford, iron pyrites connected with fos- 

 sil graptolites from Tinnaglough in the 

 county of, A. Gages on, 79. 



Wheat, mummy, Prof. Henslow on the 

 supposed germination of, 110. 



Whelk, common {Buccinnm undatum), on 

 specimens having double opercula, 117. 



Whin-sill of Cumberland and Northum- 

 berland, J. A. Knipe on the, 86. 



Whiteaves (J. F.) on the invertebrate 

 fauna of the lower oolites of Oxfordshire, 

 104. 



Wiers's (Mr.) alkalimeters, 72. 



Wilsdruff, Saxony, Dr. Geinitz on the 

 Silurian formation in the district of, 79. 



Wolverhampton, Rev. W. Lister on rep- 

 tilian foot-prints in the new red sand- 

 stone north of, 87. 



Woodall (Captain) on the intermittent 

 springs of the chalk and oolite of the 

 neighbourhood of Scarborough, 108. 



Woodward's solar camera, A. Claudet on, 

 62. 



Wright (Dr. E. P.) on Tomopteris onisci- 

 formis, 124. 



Wright (Dr. Thomas) on the Avicula con- 

 torta beds and lower lias in the south 

 of England, 108. 



Wright (T.) on the excavations on the 

 site of the Roman city of Uriconium at 

 Wroxeter, 181. 



Zoology, systematic, Prof. Collingwood 

 on recurrent animal form, 1 14 ; Prof. 

 V. Carus on the value of development 

 in, 125. 



