426 Biographical Memoir of William C. Redjleld. 



17 to 22. Foraminifera (magnified), . . . Montreal. 



23. Natica helicoides ? . . . . . Do. 



24. Amicula vestita, two anterior valves, . Do. 



25. Opercular Valves of Balanus Hameri. 



26. Opercular Valves of Balanus crenatus, three times natural size. 

 2*1. Trichotropis arctica. 



28. Serpula vermicularis. 



29. Lacuna neritoidea. 



30. Fusus scalariformis. 



ARTICLE XXXVIL— Biographical Memoir of William C. 

 Redfield ; by Professor Denison Olmsted, L.L.D., of Yale 

 College. 



[From an Address delivered before the American Association for the 

 Advancement of Science, at Montreal, August 14th, 1857.] 



Gentlemen of the Association. 



Since last we met, tlie Destroyer has been very busy in our ranks. 

 Besides other beloved and respected associates, our earliest and 

 our latest Presidents have suddenly vanished from our midst ; — 

 Redfield, w\\o was the first to suggest the idea of the American 

 Association on its preseut comprehensive plan, and the first to 

 preside over its deliberations, and Bailey who, we tbndly hoped, 

 would occupy the same distinguished position on the present 

 occasion. From the vision of both, as we humbly trust, tlie veil 

 which permits us here to see only through a glass darkly, is 

 removed, and the grand laws of Nature, and the infinitessimal no 

 less than the infinite in God's works, are revealed to them in the 

 clear light of heaven. 



With Mr. Redfield my acquaintance has been long and inti- 

 mate. I was conversant with his earliest researches on the sub" 

 ject which is so closely associated with his name, and I have been 

 constantly a witness of his untiring self-sacrificing labors in the 

 cause of science, through all the subsequent years of his life. I 

 respected him as a man, I admired him as a philosopher, I loved 

 him as a friend. We miss him here, always the earliest to come 

 and the latest to depart. We miss his gentle tones, his kindly 

 greetings. We miss still more the radiance which his clear mind 

 cast upon our pathway up the hill of science. I am thankful for 

 the opportunity of presenting before this learned assembly a 



