Lesley.] 40*^ [November C. 



the occnpatioiis of an active business life, he was seldom absent 

 from the regular meetings both in ]3road street and in this Hall, 

 and no man ever enjoyed more thoroughly, or gave himself up 

 more vivaciously to the society of those who dealt exclusively 

 in science. On the broad fishing banks of this sublime ocean 

 of the unknown and marvelous, he seldom cast the line, but his 

 hand was habituated to an equally important task — he was of 

 those who knew well how to steer. No man need desire for 

 himself a purer fame than that of an executive genius in the 

 active world of science. To have been the principal agent in 

 setting on foot and seeing safely off an Arctic expedition, is 

 sufficient of itself to justify the self-satisfaction of any private 

 citizen. In one of his letters to Prof. Bache, dated June 30th, 

 1860, he modestly alludes to the sailing of the Expedition 

 as " the end of three years of serious and often perplexed 

 effort." 



But I am wrong in saying that he left no name in special 

 science. His name is forever joined with one of the most re- 

 markable discoveries in Paltieontology, that of the huge Saurian 

 of the Cretaceous rocks of New Jersey, the Hadrosaurus 

 Foidkei; and to a new shell, the Corhula Foidkei, found in the 

 same stratum. The history of this discover}^ is given in full in 

 the Proceedings of the Academy of Natural Sciences of Phila- 

 delphia, under date of December 14th, 1858; and it need not 

 here be repeated in detail. It illustrates however his capacity 

 for that persevering and intelligent research, to which modern 

 science owes its triumphs, too well to be passed over with a 

 mere verbal allusion. 



Mr. Foulke was living at a country house in Haddonfield, 

 New Jersey, about six miles south-east from Philadelphia, in 

 the summer and autumn of 1858. Hearing of fossil bones 

 thrown out from the neighboring marl pits of Mr. Hopkins, 

 twenty years before, and not succeeding in his attempt to 

 recover them, he obtained permission to reopen the old pit to 

 search for more. It w^as no easy matter to find the pit itself; 

 and after it had been found, many trials must be made to iden- 

 tify the exact place where bones had been discovered. At last 

 success crowned the undertaking. In the west wall of the pit, 

 under eight feet of surface rock, la}^ a thin stratum of decom- 

 posed shells, and two feet beneath this another, in and on which 



