Dedication, 



TO MY DEVOTED WIFE, 



WHOSE ZEAL FOR MY SUCCESS IS THE LIGHT WHICH GUIDES ME ALONG 



THE HIGHWAY OF MY LABORS : AND TO THOSE 

 EARNEST FRIENDS, 



MR. WALTER S. LOGAN, Judge CHARLES P. DALY, Mr. SAM 



UEL S. McCLURE, Hon. O. B. POTTER, Dr ALEXANDER 



MELVILLE BELL, Col. JOHN HAY, PROF. S. E. 



TILLMAN, Mrs. HENRY DRAPER, Mr. J. V. 



BOOREAM, Mr. G. HILTON SCRIB- 



NER, and MR. B. SCHLESINGER, 



WHO HAVE OPENED THEIR PURSES, AS THEY OPENED THEIR HEARTS, 



AND AFFORDED ME THAT AID WHICH MAKES IT 



POSSIBLE FOR ME TO CONTINUE MY RESEARCHES. WITH 



THEM I SHALL GLADLY SHARE THE 



GLORY OF ALL THAT MY EFFORTS MAY ACHIEVE. 



TO THEM, 



WITH PROFOUND AND AFFECTIONATE GRATITUDE, 



THIS FIRST CONTRIBUTION TO SCIENCE ON THIS SUBJECT IS JUSTLY 



DEDICATED BY 



THE AUTHOR. 



