ORCTUIHIA SCAANOP  cesesaceconecasausestie tikcleaveceas irene 14 
ORCA SOT OPUS: escassridaceseeeesesdaceerey nee eer eee 16 
OSIMOGIOSSUl DANGHIGIUDE ssidcsvssuass en teteevnsdasestena tin etaiawes 7 
POWHOFCH SCOIOTUIAONG. ~ncioatciae in dindesesvieiasiaresectueyensseis 5 
OIG FIT pcs wc ce icone tnd eax casawitesnnabeareca tease 4 
PAP INCIVS. POPUVIONY. ciicestaicerssuececesdin se eecsds daseeniasarnes 5 
Pollen grains of Mexican popcorn, and 
archeological pollen grains ca. 1600, and ca. 
PO AGS OIE | oecnsaeosdovencencuueiensecroienerianeeasaaedtaies 18 
PSCUAGCENINUIN PUIG cco sshccsuuvescxdexsinacaay eda denenies tatieies l 
PS COS, 6 ince cies ue cnyadens cus wihene so pohrwenind | 
Report of jurema by Morais in 1881] .......... 0. eee eee eee eee 39 
Report of Philippi of toxic nature of Latud ........ ccc 37 
ROOST STR: cesta ineasnats neers sess ecdseeenteeer ees 3 
DOPCOCIOINS DENQIOIGUE cessenientstiveussdicyenqenitiaseciteab vere 4 
Villavicencio’s description of the use of 
G@vandascd Wi PCUadOr CIS58)) ccocientcceciariirieeuieiteast 4() 
Von Humboldt’s identification of the source 
of the narcotic snuff, niopo, 
of the Otomac INdians. ..cssdncciwosivesnavcsavndessesecawernaaee’s 36 
Vill 
