( xxur ) 
SUISSE. 
Berne. — Vaturforschende Gesellschaft. 
Société helvétique des sciences naturelles. 
Neuchâtel. — Societé des sciences naturelles. 
Schafhouse. — Vaturforschende Gesellschaft. 
AMÉRIQUE. 
ÉTATS-UNIS. 
American Association 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. — Museum of comparative zoology. 
Columbus. — 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 natural sciences. 
American philosophical Society. 
Wagner Free Institute of sciences. 
Portland. 
Salem. — 7he American Naturalist. 
Essex Institute. 
Peubody Academy of sciences. 
Natural History Society. 
San-Francisco. — Californian Academy of sciences. 
Washington. — Smithsonian Institution. 
