158 Royal Society. 



the crowns of the teeth, was douhtful) belonging to the same family, 

 but referable to a distinct genus or subgenus ; and he proposes the 

 name of Regnosaurus Northamptoni for that remarkable fossil saurian. 

 The communication was illustrated by several drawings of the speci- 

 mens described. 



"An Account of some Observations made on the Depth of Rain 

 which falls in the same Localities at different altitudes in the hilly 

 districts of Lancashire, Cheshire and Derbyshire." By S. C. Homer- 

 sham, C.E. Communicated by George Newport, Esq., F.R.S. &c. 



The author states, that having been present at a meeting of the 

 Royal Society when a paper was read on the Meteorology of the 

 Lake districts of Westmoreland and Cumberland, by J. Miller, Esq. 

 of Kendal, in which it was stated that the quantity of rain falling in 

 mountainous districts appears to increase from the valley upwards, to 

 the altitude of about 2000 feet, and then rapidly to decrease, he 

 wishes to lay before the Royal Society the results of his own obser- 

 vations, which lead him to a different conclusion. After stating that 

 he had been at some trouble to analyse Mr. Miller's observations 

 which have been communicated to him by that gentleman, he is of 

 opinion that they do not warrant the conclusion deduced from them, 

 and are also at variance with the recorded observations of Daines 

 Barrington, Dr.Dalton, Professor Daniell and others, as well as those 

 of Capt. Lefroy and Col. Sabine. 



The author then shows from observations very carefully made in 

 Lancashire, Cheshire and Derbyshire, from January 1846 to March 

 1848, that more rain falls at the bottom than at the tops of hills of 

 a less elevation than 2000 feet in the same locality, and that the 

 quantity diminishes in a ratio almost precisely corresponding to the 

 height. The details are given in tables of monthly observations, 

 made near Whaley and Congleton in Cheshire, and Chapel-en-le- 

 frith in Derbyshire, and also of other observations made for the Cor- 

 poration of Liverpool at Rivington and in the valley of Roddlesworth 

 near Preston in Lancashire, which have been communicated to him. 

 The whole of these observations, carefully analysed and compared, 

 have led the author to a conclusion opposite to that arrived at by 

 Mr. Miller. 



The author then proceeds to show that the details of Mr. Miller's 

 own observations are in accordance with his, and that they fully bear 

 out his views, and not those of that gentleman. Some apparent dis- 

 crepancies in the results are pointed out and their cause explained 

 by reference to peculiarities in the localities in which the observa- 

 tions were made, as shown by reference to a map accompanying this 

 paper, and to the details given by Mr. Miller ; so that the observa- 

 tions of this gentleman, when examined with reference to locality, 

 fully confirm those of the author and of the authorities he has quoted, 

 and establish the proposition, that as a general law, the quantity of 

 rain deposited in the valleys and at the bottoms of hills is greater than 

 in more elevated situations in the same locality. 



