282 The Naturalist of Cumbrac. 



here. There is a Mr. Taylor in Norwich, a good 

 geologist. I will try and get his address, and write 

 and inquire if he knows these Middle Glacial Beds at 

 Ipswich-road. If so, I will ask him the favour to send 

 me a parcel of it." 



At the close of this same year, through the inter- 

 vention of Mr. John Young, he was brought into 

 correspondence with that indefatigable palaeontologist, 

 the late Mr. Thomas Davidson, F.R.S., to whom he 

 writes on December 24, 1872 : 



" DEAR SIR, 



"Yours is just to hand, and I will be glad 

 if I can in any way be of service to you, but I fear, 

 from the vast knowledge you already possess of all 

 the details of the subject, that I can have nothing 

 that will be of interest to you. Last night I forwarded 

 a list of the brachiopoda I had met with in some of 

 the beds of Norway." 



In the after part of the letter he mentions the 

 dredging of Terebratula caput-serpentis and Crania 

 anomala at Oban, in Loch Fyne, and off Cumbrae, 

 with comments on their variation in size and frequency 

 at different points. 



On January 4, 1873, he writes to Dr. Dohrn, 

 and, after fully congratulating the latter on having 

 at last sailed into smooth waters, of himself he 

 says : 



"I am plodding away as usual. We have now 

 about ready our 'Monograph on the Post-Glacial 



