DONATIONS AND EXCHANGES. 921 



Colorado Springs, U.S.A. 

 Colorado College — 



Studies. Science Series. Nos. 47-50(1 906-07); Engineering 

 Series. i.l-2(1906). 



Copenhagen. 



AcademieRoyale DEs Sciences etdesLettres deDanemark — 



Bulletin. 1906,4-6(1906); 1907,1-2(1907). 

 Naturhistoriske Forening I Kjobenhavn — 



Videnskabelige Meddelelser for Aaret 1906(1906). 



Dublin. 



Royal Dublin Society — 



Economic Proceedings. i.8-9( 1906-07). 



Scientific Proceedings. New Series, xi. 10-1 5(1906-07). 



Scientific Transactions. Second Series, ix. 4-5(1 907). 

 Royal Irish Academy — 



Proceedings, xxvi. Section B. Nos.6-9(1906-07). 



Transactions, xxxiii. Section B. T.p.&c. 



Edinburgh. 



Royal Physical Society — 



Proceedings. xvi.7-8,T.p.(fec.; xvii. 2-3(1907) 

 Royal Society op Edinburgh — 



Proceedings, xxvi. 5-6; xxvii.l-4(1906-07). 



Transactions. xli.:3; xlv. 1(1906). 

 Scottish Microscopical Society — 



Proceedings, iv.2-3, 1904-06(1906). 



Florence. 



Societa Entomologica Italiana — 

 Bullettino. xxxviii. 1-2(1 906). 



Frankfurt am Main. 



Senckenbergische Naturporschende Gesellschaft 



Abhandlungen. xxix.2(1907). 

 Bericht, 1906(1906). 



