( il06 ) 



report of Ihe royal coal commission. Londres, 1875; br. in-8**, 

 3 vol. pet. in-4" et atlas in-fol. 



American Journal of Science and Ai^ts : vol. X, No. 60, and 

 Swpplementary , december, 4875; vol. XI, No. 61 , january 

 4876. New Haven; 5 liv. in-8°. 



U. S. geological Survey of the Territories at Washi?igton. 

 — Map. of the Lower Geyser Basin on the Upper Madison 

 River. — Map of the sources of Snake River v^^ith its tribu- 

 taries. — Map of the Upper Geyser Basin on the Upper 

 Madison River, Montana terr. — Montana and Wyoming terri- 

 tories embracing raosl of the country drained by the Ma- 

 dison, Gallatin and Upper Yellov^^stone Rivers. — Preliminary 

 map of central Colorado Showing the Région Surveyved in 

 1873 und 1874. Washington; 6 cartes in-fol. 



Fin ou Tome XL de la '2'^' série. 



