DONATIONS AND EXCHANGES 901 



Depaktmkxt of rioMMRRCE : U. S, Coast and Geodetic 

 Survey — 

 Hypsometrv : " Use of mean Sea-level as the Datum for 

 Elevations." By E. Lester Jones. [Serial No. 60: Special 

 Publication No.41](1918). 



National Academy of Sciences — 



Proceedings, iii., 11-12; iv., 1-9(1917-18). 



U. S. Department of Agriculture— 



Bulletin. Nos4S0, 491. 535, 536, 564, 571, 598, G09, 616, 



640, 643, 645, 647, 671, 689, 707, 723, 731(1917-18). 

 Entomological llepiints (13) from the Journal of Agiicul- 



tural Research, xi., 3, 8: xii., 2, 5, 9; xiii., l(two), 3, 1 1 ; 



xiv., 2, 3, 5, 9(1917-18). 

 Separate, No.747 : " A wasted Sugar-Supply," hy E. F. 



Phillips [Year Book, 1917]. 

 Year Book, 1917(1918), 



U. S. National Museum- 



Bulletin. Nos.71 Pt. vi., 98,99 Pt. i., 100 Vol. i., Pts. i.-iii., 



101, 102 Pts i.-iii., vi., 104 Pt. i.(1917 18). 

 Contributions from the U. S. National Herbarium. T.p.ttc. 



of Vol. xviii.(1914-17); xx., 3(1918). 

 Proceedings. li.-liii.(1917). 

 Report for Year ending June 30th, 1916(1917). 



Wellington, N Z. 



Dkpartment of Minks: Nkw Zkalano GeolocxIcal Survky — 

 Bulletin. N.S. Nos. 19-20(1 9 I 8). 

 Palseontological Bulletin. No.6(1917). 



New Zealand IJoard of Science and Art — 

 Bulletin, Xo.l(1918). 

 N.Z. Journal of Science and Technology, i., 1 4(1918). 



New Zealand Institute — 



Transactions and Proceedings, xlix., ]., 1916-17(1917-18). 



