444 



APPENDIX. 



Depth in feet. Yield in bbls. 



170 Culver— Sub. 7, R. C, L. 18, Con. 2 200 



173 Allen— Sub. 32, R. 5, L. 17, Con. 2 2000 



175 Barnes— Sub. 30, R. 5, L. 17, Con. 2 300 



178 Petit— W. | L. 19, Con. 2 3000 



180 George Gray— Sub. 32,R.I.,L. 17, Con. 2 150 



180 Holmes— Sub. 9, E. £ L. 19, Con. 2 500 



187 McColl— Sub. 37, R. 5, L. 17, Con. 2 1200 



188 Swan— E. part L. 18, Con. 2 6000 



196 Nelson— Sub. 29, R. 2, L. 17, Con. 2. 



212 Eiero— Sub. 1, R. 4, L. 19, Con. 1 6000 



237 Black & Mathewson— Sub. 12, L. 17, Con. 1 7500 



Note IX., page 396. 



The thoughts embodied in this and the five following chapters were first 

 shadowed forth by the author in the Michigan Journal of Education in 

 1860. They were more fully elaborated in the Ladies' Repository for No- 

 vember and December, 1863, and January, 1861. Many thoughts and 

 conceptions which were then original appear to be now but the echoes of 

 Mayer, Helmholtz, and others. This is particularly the case in reference 

 to the doctrine of solar refrigeration. That doctrine, then entirely new 

 to the writer, was put forth with much apprehension. The publication of 

 Mayer's papers in Silliman's Journal (vol. xxxvi., p. 261 ; xxxvii., p. 187; 

 xxxviii., p. 239, 397) in 1863 and 1861 afforded the writer the first exact 

 basis for conclusions which he had already reached. The later researches 

 of others have served to give a scientific sanction to statements which at 

 one time might have been regarded as little more than vagaries of the im- 

 agination. 



Note X. , page 404. 



Such, at least, is the generalization put forth by Miincke, Mrs. Somer- 

 ville, and other physicists. It is apparently founded on reports of obser- 

 vations made by Scoresby and Parry in the Arctic Ocean, and by James 

 Ross in the Antarctic. M. Charles Martins, however, a highly competent 

 authority, denies that any such increase of temperature in the deeper arc- 

 tic waters exists. Nothing of the kind was observed by le Contre-Amiral 

 Coupvent des Bois in the voyage of the corvettes Astrolabe and Zele'e ; 

 nor in the soundings made on the two voyages to Spitzbergen with the 

 corvette Recherche. 



On this subject, see Gehler's Physikalisches Worterbuch, t. vi., p. 1685; 

 Somerville's Connection of the Physical Sciences, Am. ed., p. 245 ; May- 



