203 



REPORT 1864, 



*Heiglits, M. Moggiidge on an easy- 

 mode of measiuing, 4. 

 *Henderson (Captain A.) on the prac- 

 tical progress of naval architectui'e in 

 ocean and river steamers, &c., 18G. 



Hennessy (Prof.) on the possible con- 

 nexion between the ellipticity of 

 Mars and the general appearance of 

 its surface, 5 ; on the regression of 

 temperature during the month of May, 

 17 ; on the possible conditions of geo- 

 logical climate, 55. 



Herapath (Dr. W. Bird) on the pedicel- 

 lariae of the Echinodermata, 95 ; on 

 the genus Synapta, 97 ; on tlie occur- 

 rence of indigo m piu-ident discharges, 

 124. 



*Herbert (R.) on the statistics of live 

 stock, 167. 



Heywood (James) on the recommenda- 

 tions of the Public Schools Commis- 

 sioners for the distribution of school- 

 time, 1G7. 



*Higgins (E. S.) on otolites, 57. 



Highley (Samuel) on a cheap form of 

 automatic regulator for the electric 

 light, 13 ; on the apphcation of pho- 

 togTaphy and the magic lantern to 

 class demonstrations in microscopic 

 science and natural history, 98. 



*Hincks (Rev. Thomas) on some new 

 hydroid zoophytes, and on the classi- 

 fication and terminology of the hy- 

 droida, 98 ; on the medusoid tubu- 

 larian zoophyte, and its return to a 

 fixed condition after the liberation of 

 the ova, 99. 



Ilippius (M. Alexander) on Russian 

 trade with Bokhara, 145. 



Hirst (T. A.) on a generalization of the 

 method of geometrical inversion, 3. 



*Hodge (H. C.) on the origin of certain 

 rocks, and on the ossiferous caverns of 

 the south of Devonshire, 57. 



*Hodgkin (Dr. T.) on some geological 

 appearances in the N.W. of Morocco, 

 58. 



Horse-chestnut, Dr. John Davy on the, 

 121. ^ > 



Hot spiing in Wheal Clifford, Cornwall, 

 Dr. W. A. Miller's chemical exami- 

 nation of a, 35. 



Huggins (W.) on the spectra of some of 

 the heavenly bodies, 12. 



*Hume (Rev. Dr.) on the locality of the 

 various religious bodies inlreland, 169. 



*H\mt (SteiTy) on organic remains in 

 Laurentian rocks in Canada, 58. 



Hybrids or crosses, John Crawfurd on the 

 supposed infecundity of human, 142. 



*Hydrogen, Thomas Fairley on the ac- 

 tion of, on polycyanides, 26. 



*- , sulphuretted, MaxweU Lyte on 



an apparatus for the preservation or 

 disengagement of, 32. 



Hydroid zoophytes, Rev. ThomasHincks 

 on some new, 98. 



Iberian population of Asia Minor ante- 

 rior to the Greeks, Hyde Clarke on 

 the, 140. 



*Ice, Rev. C. F. Browne on the forma- 

 tion and condition of the, in certain 

 ice-caves of the Jura, Vosgian Jura, 

 Dauphine, and Savoy, 52. 



, Rev. G. Browne on the prismatic 



formation of, in cei-tain ice-caves and 

 glaciers, 24. 



*India, Southern, Dr. Shortt on some 

 rude tribes supposed to be the abori- 

 gines of, 147. 



, Samuel Brown on the rates of 



mortality and maraage amongst Eu- 

 ropeans in, 163. 



Indigo, Dr. W. Bird Herapath on the 

 occurrence of, in purulent discharges, 



I,i4. 



*Insanity, Dr. R. Boyd on the measure- 

 ments of the head and weight of the 

 brain in 696 cases of, 1 19. 



Inversion, geometrical, T. A. Hirst on a 

 generalization of the method of, 3. 



Iranian race, M. Nicolas de Klianikof on 

 the ethnology of the, 145. 



Ireland, J. Wilson on registration of 

 births and deaths in, 180. 



Iris, J. J. Walker on a recent descrip- 

 tion of an, seen in the Lake of Lu- 

 cerne, 13. 



Iron age of society, John Crawfurd on 

 the supposed, 143. 



Iron and steel, H. C. Sorhj' on micro- 

 scopical photographs of various kinds 

 of, 189. 



Iron, James Williams on the elasticity 

 of, 190. 



Iron-smelting, Dr. B. H. Paid on usefid 

 applications of slag from, 37. 



Ischia, Dr. T. L. Phipson on the medi- 

 cinal muds of the island of, 38. 



*IsGmorphism, Dr. W^iUiamson on, 45. 



Jefireys (J. Gwyn) on Stilifer, a genus 

 of quasi-parasitic mollusks, with par- 

 ticulars of the European species, S, 

 Turtoni, 99. 



Jenkin (Tleeming) on the retardation 

 of electrical signals on land-lines, 13 ; 

 on an electric-resistance balance con- 

 structed by Prof, W. Thomson, 14. 



I 



