XXll 



GENERAL INDEX. 



549 



Table V. Conversion of Nautical Square Leagues into Square Kilometres 



Austrian Square Miles — Prussian Square Miles — German 



Square Miles — French Square Leagues — Geographical Square 

 Miles English Square Statute Miles — Russian Square Wersts 



" VI. Conversion of French Square Leagues into Square Kilometres 



Austrian Square Miles — Prussian Square Miles — German 



Square Miles — Nautical Square Leagues — Geographical 

 Square Miles — English Square Statute Miles — Russian Square 

 Wersts .......... 



" VI L Conversion of Geographical Square Miles into Square Kilo- 

 metres — Austrian Square Miles — Prussian Square Miles — 

 German Square Miles — Nautical Square Leagues — French 

 Square Leagues — English Square Statute Miles — Russian 

 Square Wersts ......... 



" VIII. Conversion of English Square Statute Miles into Square Kilo- 

 metres — Austrian Square Miles — Prussian Square Miles — 

 German Square Miles — Nautical Square Leagues — French 

 Square Leagues — Geographical Square Miles — Russian Square 

 Wersts .......... 



" IX. Conversion of Russian Square Wersts into Square Kilometres 

 — Austrian Square Miles — Prussian Square Miles — German 

 Square Miles — Nautical Square Leagues — French Square 

 Leagues — Geographical Square Miles — English Square Statute 

 Miles 561 



" X. Table for comparing the most important Measures of Surface . 564 



555 



558 



VI. METEOROLOGICAL TABLES FOR CORRECTING SERIES 

 OF OBSERVATIONS FOR THE PERIODIC AND NON- 

 PERIODIC VARIATIONS 



565 



Temperature Hourly Corrections for Peri 



NORTH AMERICA. 



Table I. Washington, D. C. 



" II. Philadelphia, Gijard College 



" III. " " " 



" IV. Frankfort Arsenal, Pa. 



a "y. " " " 



" VI. Toronto, Canada West 



" VII. " *' " 



" VIII. " " " 



a IX. " " " 



" X. Montreal, Canada East 



" XI. Sitka, Alaska 



odic Variations. 



579 

 579 

 580 

 581 

 582 

 583 

 584 

 585 

 586 

 586 

 587 



