Glossary of Abbreviations 



Trans. Am. inst. mining engrs. — Transactions of the American institute 



of mining engineers. 

 Trans. Can. S. C. E. — Transactions of the Canadian society of civil 



engineers. 

 Trans. Edin. geol. soc. — Transactions of the Edinburgh geological 



society. 

 Trans. Am. philos. soc. — Transactions of the American philosophical 



society. 

 U. S. Calh. hist. mag. — United States Catholic historical magazine. 

 U. S. geol. surv. — United States geological survey. 

 W. elec. — Western electrician. 

 West. lit. mess'gr. — Western literary mes?engcr. 

 Wld. today. — World today. 

 Wld's work. — World's work. 

 Yale sci. mo. — Yale science monthly. 



