376 LOUIS AGASSIZ. 



Rectory, York. I am delighted with the 

 bright results of your comparison of the 

 Sheppy fossils with recent forms. You ap- 

 pear to have opened out an entirely new 

 field of investigation, likely to be productive 

 of most brilliant results. Should any acci- 

 dent delay the arrival of your monograph for 

 the York meeting, I shall make a point of 

 communicating to our scientific friends the 

 contents of your letter, as I know they will 

 rejoice to hear of the progress of fossil ich- 

 thyology in your masterly hands. When 

 next you come, I wish you could spend a few 

 days here. We are surrounded on all sides 

 by the debris of the moraines of the ancient 

 glaciers that descended the flank of Ben 

 Wyvis, and I think you would find much to 

 interest you in tracing their relations. We 

 have also the Cromarty Fish-beds within a 

 few miles, and many other objects of geolog- 

 ical interest. ... I shall see Lord Enniskillen 

 at York, and will tell him of your success. We 

 shall, of course, procure all the Sheppy fish 

 we can either by purchase or exchange. . . . 



The pressure of work upon his various pub- 

 lications detained Agassiz at home during the 

 Summer of 1844. For the first time he was 



