DONATIONS AND EXCHANGES. 639 



Christiania. 



KoNGKLicE NoRSKE Frederikis Unhersitet. — Arcliiv for Mathematik og 



Naturvidenskab, T.p. & e. for xxxi. ; xxsii., 1-4 (T.p. & c.) (1911); 



xxxiii., 1-4 (T.p. & c.) (1912); xxxiv., 1-4 (T.p. & c.) (1914-1917); 



sxsv., 1-4 (T.p. & c.) (1917); xxxvi., 1-2 (1919). 

 ViDENSMAPS Selskapet I Chkistiania. — Fordhandlinger, Aar 1910, 1917, 



1918 (1917, 1918, 1919) ; Skrifter i Matematisk — Naturvidenskabelig 



IClasse, 1916, 1 & 2, 1917. 1918 (1917, 1918, 1919) . 



Cincinnati, Ohio. 



Llotd Library.— Bibliographical Contributions, iii., 2-7 (1917-1918) ; Myeol- 

 ogieal Notes, Nos. 39-47 (1915-17) ; Synopsis of the Stipitate Stereums; 

 Synopsis of the genus Cladoderris (1913) . 



Coldspring Harbour, N.Y. 



Carnegie Institution of Washington : Department of Experimental 

 Evolution. — Annual Report of the Director, 1919 (Reprint from the 

 Year Book. 1919) (1920). 



Colombo. 



Colombo Museum. — Spolia Zeylaniea, T.p. & c. for x.; xi., 41, 42. (1919- 

 1920) . 



Columbus, Ohio. 



American Chemical Society. — Journal of Industrial and Engineering 



Chemisti-y, xi., 7-12 (T.p. & c); xii.. 1-7, 9, 10 (1919-1920). 

 Ohio Academy of Science and Ohio State University Scientific Society. 

 —Ohio Journal of Science, xx., 1-8, T.p. & c. (1919-1920.). 



Copenhagen. 



AcAiiKMiE Royale des Sciences et des Lettres de Danemark. — Biologiske 



Meddolelser i., 13 (T.p. & c.) ; ii., 1 (1919). 

 Universitets Zoologiske Museum. — Danish Ingolf Expedition, v., 8 (1919) ; 



iii., 6 (1920); Publications Nos. 4-12 (1920). 

 Darwin, N".T. 



Department of Mines of the Northern Territory of AnsTRALU. — Bulletin 



of the Northern Territory, No. 19 (1919). 



Dublin. 



Royal Dublin Society. — Economic Proceedings, ii., 14 (1919) ; Scientific 

 Proceedings, N.S., xv., Nos. 35-48 (1919-1920) . 



Dunedin, N.Z. 



Otago Institute. — Transactions and Proceedings New Zealand Institute, Ii. 

 (1919). 



Durban. 



Durban Museum.— Annals, i., 1-5 (T.p. & c); ii., 1-6 (1914-1920). 



East Lansing, Michigan. 



Michigan State Agricultural College and Experiment Station, Bac- 

 teriological Laboratories. — Report of the Bactei-iologist, 1918 (1919) ; 

 Technical Bulletin No. 41 (1918), (1919); One Reprint "An Anaerobic 

 Culture Volumeter" (Northnip) (1918); One Reprint "The True Soil 

 Solution" (Northnip) (1918). 



