text Cambridge University Press 1939 Ind 242 p. : ill. ; 22 cm. 242 p. : ill. ; 22 cm. Index: p. 239-242 KROGH, August AQUATIC ANIMALS OSMOREGULATION 639.6 639.6KROo INLIS000000000023982 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)