SMITHSONIAN 



CONTRIBUTIONS TO KNOWLEDGE 



VOL. XXXIV 



VKKY MAN IS A VAT.rABL.K MKMUKR OF SOCIKTV WHO, BY HIS 0BSKKVATI0N8, RKSKARCHKS, AM> KXI'KIII.M KNTS, PROCURKS 



KSilWI.KDfiK FOR MEN — SMITHSON 



(No. 1739) 



CITY OF WASH lX(i TUX 



PUBLISH KD BY T II IC SMITHSOXIAN IXSTinTI'tX 



19 7 



