ERRATA. 
VOLUME TV. PART IT 
ILLUSTRATIONS. 
Plates.Liv and tv, for Phoca geronimensis, read Phoca r. geronimensis. 
TEXT 
Page 543, 20th line from top, for Gallapagos, read Galapagos. 
Page 619, 12th line from top, for M.r. iropidorhynchus, read M. iropidorhynchus. 
xiii 
