38 Summcoy Bcvieiv of the late Jnvestigatioin 



1 3. On compensation to persons navigating the river, for pro- 

 perty destroyed, and loss of life, during the erection of 

 the bridge, and while it may remain unfinished for want 

 of money to complete it, which, at a moderate estimate, 

 may be taken to exceed the same loss arising from the 

 old bridge in the last twenty years. 

 Hence, in any view of the question, it would be unreason- 

 able to consider the cost of this bridge at less than one million 

 and a half. 



These obsei-vations may probably, through your Journal, 

 cause more inquiry to be made into this important question, 

 than the impatient deterviination, at any rate to have a new 

 bridge, has hitherto allowed. They may make the failure of 

 the proof of the expediency of removing the dam of the bridge 

 manifest; also show the deficiency of the means for building 

 the bridge, without taxes to a large amount being eventually 

 levied on the public ; and remove the general delusion, that 

 the thoroughfare over the bridge will l3e more free than it is 

 at present. They may cause some reflections on the forbear- 

 ance of the Government regarding the public dignity, but scru- 

 pulous of increasing the public expenditure, in listening for a 

 moment to such an useless and dangerous expense, which, 

 directly or indirectly, will cause taxes to be raised to pay a 

 million at least." 



X. An Account of the Observations and Experiments on the 

 Temperature of Mines, tahich have recently been made in 

 Cornwall, and the North of England ; comprising the Sub- 

 stance of' various Papers on the Subject lately pidjlished in 

 the Transactions of the Royal Geological Society of Corn- 

 wall, and other Works. 



[Continued from vol. Ixi. p. 447.] 



IV. IVTR" R- W. FOX's third communication on this sub- 

 ^^^ ject to the Cornish Geological Society " was unfor- 

 tunately too late for insertion in the second volume of Trans- 

 actions, a circumstance which the editors very much regret," 

 in a note attached to the ninth Annual Report of the Society's 

 Council, " because the facts and observations therein contained 

 form an important addition to the pajjers on that very im- 

 portant subject. The Council rejoice, however, that an op- 

 portunity for its publication is now afforded, and that it wiU ' 

 form the leading article in the first number of the Society's 

 Transactions, to be printed before the next anniversary." The 

 substance of this communication, however, we are enabled to 



present, 



