00351nam a22001217a 4500007001800000008004100018020001500059050002400074100001900098110002100117245001700138300007400155x, 283 p., [12] p260319b        xxu||||| |||| 00| 0 eng d  a0801608244  aQH84 .B76 1983bB76  aJAMES H. BROWN  aARTHUR C. GIBSON  aBIOGEOGRAPHY  a25 cm.cx, 283 p., [12] p. of plates : ill. (some col.) maps ; 25 cm.