Additions to the Libra)-}'. XXIX 



Wisconsin.— Greo^o^icaZ and natural history survey. 



Bulletin. 23-4. 

 Natural history society. 



Bulletin. IX, 3-4. 1911. 

 'WoKiHG.— South-eastern union of scientific societies. 



South-eastern naturalist. 1911. 

 "Worcester, Mass. — America7i antiquarian society. 



Transactions and collections. IX-X, XII. 1909-11. 



Proceedings. XXI, 2. 1911. 

 Zurich. — Naturforschende Gesellschaft. 



Vierteljahrsschrift. LV, 3-LVI, 3. 1911. 



