(iU) 



1877. — Miscellaneous collections, vol. XIIl-XV. Washington; 

 4 vol. in-8". 



U. S. geol. and geographical Surveij. — Bulletin, vol. IV 

 n''4; vol. V, n" i. — Catalogue of the publications 

 vey, third edition. — Tenth annual report. — 

 publications, n" 11. Washington; 5 eah. ct 2 vol. in-S". 



Sociedad mexicana de historia natural. — La Naturaleza, 

 tome IV, n" 1-15. Mexico, 1878-1879; 13 cah. gr. in-8". 



Sociedad « Andres del Rio. » — Boletin, Cuaderno, 1, 2. 

 Mexico, 1878;2cah.in-8''. 



V. S. Coast Survey. — Report for the year 187o. Washing 

 ton, 1878; vol. in-4°. 



Staats-Ackerbaubehorde von Ohio. — 32. Jahresbericht. 

 Columbus, 1878; vol. in-8». 



Boston Society of natural history. — Proceedings , XIX 

 3 and 4; XX, 1, 1877-1878.— Memoirs, vol. Ill, part 1,0-" ] 

 and 2. — Guides for science-teaching, n« 1-y. Boston, 1877- 

 1879; 3 cah. in-S", 2 cah. in-i" ei, a cah in 12. 



Essex Institute. — Bulletin, vol. X.— Historical collections, 

 vol. XV, parts I-IV, 1878. Salem, 1878-1879; in-S". 



U. S. naval Observatory. — Observations made during 

 1875. — Zones of stars observed with the mural circle in the 

 years 1846, 1847, 1848 and 1849.— A catalogue of 1965 stars 

 and of 290 double stars, observed to the southern hemisphere, 

 1850-1852. — Tables of instrumental constants and correc- 

 tions for the reduction of transit observations. — Report on 

 the difference of longitude between Washington and Detroit, 

 Michigan, Carlin, Nevada and Austin. Washington; 5 vol. 

 in-4". 



Academy of natural sciences of Philadelphia. — Procee- 

 dings, 1878. Philadclphic; 3 cah. in -8°. 



American Association for the advancement of sciences. — 

 26"" and 27"* meeting. Salem, 1878, 1879; 2 vol. in-8». 



Engineer Department, U. S. Army. — Exploration of the 



