Vol. 54.] OF THE BAGSHOT DISTRICT. 195 



Dote whicli lie had received from Dr. Irving, who was unable to be 

 present : — 



' Does this — " w situ" — mean in the position in which they were 

 formed qua rock ? If so, very interesting. If not, a loose use 

 of the phrase for the purpose of technical science. No doubt some 

 ice and snow at times carried stones. Compare my note (Quart. 

 Journ. Geol. Soc. vol. xlvi, 1890, p. 561 note) on the gravel in the 

 pit at Broadmoor, 400 feet O.D., a snow-wash, such as I have often 

 seen and walked over in the gullies of the high Alps, very likely. 

 Many angular flints are the result of rupture by frost in their 

 j)resent locality. Conditions yslyj ; laws of Nature are constant.' 



The Author, for himself, thanked the various speakers for their 

 remarks, critical and otherwise ; but as there was another paper to 

 follow, he would refrain from a detailed reply. Many of the 

 questions opened up in the course of the discussion were of 

 the highest interest, and to some extent were dealt with in the 

 paper. 



