2,i e 



860 INDEX. 



T 



Talbot (H. F.) On the Theory of Numbers, 45. 



On Fagnani's Theorem, 285. 



Telescope, Great Refracting, at Elchies, 371. 



Temperature of a Stratum of Soil, in terms of the time of year, 21. 



Temperature of Hot-Springs, 451. 



Thomson (Professor William), LL.D. On the Secular Cooling of the Earth, 157. 



Topaz, Pressure Cavities in, 39. 



Tunicata, Representative Relationships of the Fixed and Free, 171. 



Turner (Wm.) M.B. Lond., and H. S. Wilson, M.D. On the Structure of the Chondracauthus 



Lophii, with Observations on its Larval Form, 67- 

 On the Structure of Lerneopoda Dalmanni, with Observations on its Larval Form, 77. 



u 



Umbilical Cord, Anatomical Type of the Structure of, 349. 



w 



Watson (Rev. Robert BoogJ, B,A, On the Great Drift Beds with Shells, in the South of Arran, 



523. 

 Weather, Influence of, upon Disease and Mortality, 299. 

 Whytt (Professor Robert), M.D., Memoir of Life and Writings of, 99. 

 Women, Fertility and Fecundity of, according to Age, 475. 



END OF VOLUME TWENTY-THIRD. 



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