( xxvIN ) 
Société helvétique des sciences naturelles. 
Neuchâtel. 
Societe des sciences naturelles. 
Schafhouse. 
Naturforschende Gesellschaft. 
AMÉRIQUE. 
ETATS-UNIS. 
American Association for advancement of sciences. 
Proceedings of the twenty- Third meeting, held at Hartford, Conn. 
August. 187%. 
Boston. 
American Academy of arts and sciences. 
Proceedings. New series; vol. El. Whol series; vol. X. 
Society of natural History. 
Cambridge. 
Museum of comparative zoology. 
Together with the report of the Committee on the museum; for 1874 
et 1875. 
Columbus. Ohio State agricultural Society. 
Madison, — Wisconsin Academy of sciences, letters and arts. 
New-Haven. 
Connecticut Academy of arts and sciences. 
Transactions. Vol. IT; part. I. 
Newport. — Orleans County Society of natural Sciences. 
Transactions, 
