SociETÀ ELVETICA 
DI SCIENZE NATURALI 
di Zurigo. 
LVII 
United States Patente office, and the Smithsonian Institution from the 
years 1854 to 1859 inclusive, etc. Washington, 1861; 1 vol. 4.° 
Smithsonian Contributions to Knowledge. Discussion of the Magnetic and 
Meteorological observations made at the Girard College observatory. 
Philadelphia, in 1840-45. Parts II-VI ; by A. D. Bache. Washington, 
City, 1862; 4. 
Appendix n.° 16 and 23; 4. 
Smithsonian Miscellaneous collections. Vol. I-IV. Washington, 1862; 
4 vol. 8° 
Smithsonian Museum Miscellanea. Washington , 1862 ; 8. 
Compte rendu de la 45 session de la Société Suisse des sciences natu- 
relles , réunie à Lausanne les 20 , 21 et 22 août 1861. Lausanne, 
1861; 1 vol. 8.” 
Nouveaux Mémoires de la Société helvétique des Sciences naturelles. 
Vol. XIX. Zurich, 1862; 1 vol 4^ fig. 
o 
