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are but a few samples of the chief aim of his scientific 

 studies and pursuits. Thanks to him, New Jersey has the 

 most complete and most fruitful geological survey of all 

 the States, and has become a model for others. 



Second. The other characteristic of Doctor Cook as a 

 man of science, furnishes us the clue to the form which 

 his unwearying and scientific industry took. It was his 

 religious faith. 



Science spoke to him of God, even as his Bible: and in 

 the pursuit and the application of scientific knowledge,. 

 he was ever the consistent follower of Christ. With him, 

 science was the handmaid of religion, and an instrument 

 of blessing. Because a follower of Him who went about 

 doing good, he thought himself under obligation to make 

 his knowledge, his discoveries and his attainments, a 

 source of blessing to his fellow men. Thus science be- 

 came to him a trust to be used to make men happier and 

 better. And this is the key to the peculiarly unselfish 

 and philanthropic character of so much of his scien- 

 tific work. 



Out of his Christian faith came also that honesty, 

 truthfulness and faithfulness which so characterized him 

 in all his scientific labors. He could and would not vary 

 a hairbreadth from the strict path of truth and duty. A 

 statement by him, ever carried conviction. When his 

 maps of the clay deposits were issued, lands were at once 

 sold and bought on the basis of their trustworthiness; 

 seller and purchaser accepted them as beyond all ques- 

 tion, so great confidence had he infused, not only in his 

 science, but in his honesty and truthfulness. His devo- 

 tion to the beneficent work he was doing, was such that 

 he wrought on a mere pittance of a salary. The whole 

 expense of the invaluable survey was only eight thousand 

 3 



