GRAY jiER^iAjyOM OF HARYAJG^yNIVERSITY, 
' -■ -‘^■'BOTAXit; Gauden, Cambkimge, Mass. 
1 f+o 
/jty _ 
Sz-*rv-* - ca-A^-^C' 
7k. T’.'Tfu^zjL^ 
