CONTENTS. Vil 
GENERAL APPENDIX—Continued. 
Page 
the Byvolttion of Commerce, by Gardner Hubbard :.:.....2..-22-22.-22-. 2c. ie 
The Relation of Natural Science to Art, by E. du Bois-Reymond ............. 661 
LIST OF ILLUSTRATIONS. 
STELLAR NUMBLRS AND DISTANCES: 
BT epee AMON AMCs 2 < ota aa uerelnrs joie e's te uiles 8S. sis SSeS elslwrS a's ale siaistevesice) sc ae mele 107 
GEYSERS: 
Fig. 1. Geyser and Strokr.........-... IME Soe aa lees Seauleui A Sire eee ae 174 
GULF STREAM: 
ies Clhallenver Observations ..2- Sects <o2- face seee's coats + seneen.c Reno IY 
Fig. 2, Ocean Isothermals ..--- eee ee Aes Nant ee nee eR 194 
hic. o, Oceanic Circulation (7th Century)s----- ------222«<--e45--o 5 ase- 199 
iow. uranikim’s'Chartiot theiGulf Streammcs..e- 0-2 s--eae ose Sane 200 
Fig. 5. Coast Survey Chart of the Gulf Stream.............---..--..---- 200 
BimwOsCaLlendger, OWSeRVallOUS so> eee ae eac oe cas sivele S ieee =e ates 201 
ABSOLUTE MEASUREMENT OF HARDNESS: 
Hol, eosin mvApPAataAtus! saeacccsos.. sce sweecicie ease esacti-seceece | AS 
Big.) Markings Of (Results) sos... soses 2 sss ices nots ==> o> s- 28 sG fs cee 222 
Tue FLOW or SoLipDs: 
Fig. 1. Longitudinal section of apparatus. -..........--:..---.---.-.s-.- 240 
higa2acbransverse sechion.of apparatus’). -< 22 s2-jf6-6cs-5 22 5- - sense aae 240 
Bigesy Has Oh Testi MACHINGss6 aoa i- miele x eleRele ates ete'< eee oicio snot ees 241 
Fig. 4. Diagram showing experiment....--:.----.--2.2---.2--5-5 +--+ --ee 243 
THE CORBIN GAME PARK: 
Fig. 1. View of Buffalo in the Corbin Game Park........-.-. 22.0.0. --5 422 
TESPDISSS TOAD QO) hibit els eh RS BOOB SEE US SIGS E EAN T OG OUR OD BOS ODBEo Hee DGanrneps Bales 
