2 



Prof. Tyndall on the 



Action of Free Molecules on 





Table Y. {continued'). 









Boiling- 



Mean -water- 



Character 





Name of Liquid. 



point. 



o 



pressure, 

 niillim. 



of sound. 



20. 



Iodide of ethyl 



. 72 



148 



Moderate. 



21. 



Bromide of butyl . 



. 92 



134 



jj 



22. 



Dutch liquid . . 



. 85 



127 



JJ 



23. 



Acetate of butyl . 



. 114 



120 



JJ 



24. 



Benzol .... 



. 81 



117 



JJ 



25. 



Carbonic ether 



. 126 



108 



JJ 



26. 



Chloride of amyl . 



. 102 



105 



JJ 



27. 



Chloropicrin . 



. . 112 



94 



JJ 



28. 



Iodide of allyl . . 



. 101 



92 



JJ 



29. 



Chloroform 



. 61 



89 



JJ 



30. 



Iodide of butyl . 



. . 121 



88 



JJ 



31. 



Allylic alcohol 



. 97 



84 



JJ 



32. 



Bisulphide of carbon 



. 43 



81 



)i 



33. 



Bromide of amyl . 



. 119 



78 



JJ 



34. 



Cyanide of ethyl . 



. . 98 



77 



JJ 



35. 



Butyl alcohol . . 



. . 110 



72 



Weak. 



36. 



Nitrate of amyl . 



. . 147 



67 



jj 



37. 



Oxalate of ethyl . 



. — 



66 



jj 



38. 



Cyanide of methyl 



. . 82 



64 



jj 



39. 



Tetrachloride of carb 



on . 77 



58 



jj 



40. 



Bromoform . . 



. . 150 



44 



jj 



41. 



Xylol .... 



. 140 



44 



ji 



42. 



Amylic alcohol . 



. . 130 



42 



jj 



43. 



Iodide of amyl 



. 146 



42 



j» 



44. 



Terebine . . . 



. . 160 



39 



jj 



45. 



Cymole .... 



. . 175 



38 



jj 



46. 



Butyric acid . . 



. 163^ 







47. 



Butyrate of amyl. 



. 176 







48. 



Caprylic alcohol . 



. 180 







49. 



Valerianic acid . . 



. 175 







50. 



Pure aniline . . . 



. 184 







51. 



CEnanthic ether . 



. 188 



Yery small 



absorptions 



52. 



Valerianate of amyl 



. 196 



andvery 



eeble sounds 



53. 



Salicylous acid . 



. 196 



at ordinary tempera- 



54. 



Caproic acid . . 



. 205 



> tures. 



Sounds in 



55. 



Nitro-benzol . . 



. 205 



most cases very strong 



56. 



Kreosote .... 



. 210 



■when liquid is heated 



57. 



Menthol .... 



. 213 



to its boi. 



ing-point. 



58. 



Chinoline .... 



. 238 







59. 



Eugenol .... 



. 247 







60. 



Nicotine .... 



. 250 







61. 



Monobromnaphthalir 



e . 277 







62. 



Sebacic ether . . . 



. 308 







