NuMBER 7 (January 17, 1949) 
Maize Granaries in Mexico 
By Erraim HERNANDEZ Nouocorz!. . . . . 158 
Numer 8 (March 4, 1949) 
New Archaeological Evidence on Evolution in Maize 
g£ 
By Pau C. MANGELSDORF AND C. EARLE 
SMITH JR. ....... 6 ee ww ew ww 6218 
NuMBER 9 (April 18, 1949) 
Plantae Austro-Americanae V 
By Ricoarp Evans ScuuLTES ...... . 261 
NuMBER 10 (June 24, 1949) 
Plantae Colombianae XI 
By Ricnarp Evans ScHuLres ...... . 298 
New Concepts in Styrax from Eastern Colombia 
By Jesus M. Iproso anp Ricuarp Evans 
MCHULTES: «4 «+» ¢ +s *% » a % & do ,s BS 
[ vi J 
