— XXI — 
SUISSE. 
Nalurf{orschende Gesellschaft. 
Société helvétique des sciences naturelles. 
Berne. 
Neuchâtel. — Societé des sciences naturelles. 
Schafhouse. — Vaturforschende Gesellschaft. 
AMERIQUE. 
ETATS-UNIS. 
American Associalion for advancement of sciences. 
Baltimore. — American Journal of mathematics. 
Johns Hopkins University : Circulars. 
Boston. 
American Academy of arts and sciences. 
Society of natural History. 
Cambridge. — HMuseuin of comparative zoology. 
Coilumbus. — Ohio State agricultural Society. 
Madison. — Wisconsin Academy of sciences, letters and arts. 
New-Haven. 
Connecticut Academy of arts and sciences. 
Newport. — Orleans County Society of natural sciences. 
New-York. — Academy of sciences. 
Philadelphie. — Academy of nutural sciences. 
American philosophical Society. 
Wagner Free Instilute of sciences. 
Portland. — Vatural History Society. 
Salem. — 7Zhe American Naturalist. 
Essex Institute. 
Peabody Academy of sciences. 
San-Franeisco. — Californian Academy of sciences. 
Washington. — Smithsonian Institution. 
GUATEMALA. 
Guatemala. — Sociedad economic. 
