ERRATA. 



Page 19, fifth line from bottom, for A. G. Barrett read A. M. Barrett. 



Page 45, foot-note, for Mary E. Rathbun read Mary J. Rathbun 



Page 50, fourteenth line from bottom, for Malf/iiis read Malthe. 



Page 51, twentieth line from top, for C. camftocera read M. camptocera. 



Page 77, seventh line from top, for Libinia read Temtwnotus. 



Page 84, seventh line from bottom, Pliobatlius read Pliobothrus. 



Page 88, first and thirteenth lines from top, for Lafoca read Lafoca. 



Page 125, fifteenth line from top, for Achelons read AcheJous. 



Page 179, fifth line from top, for gaya read gnyi. 



Page 215, ninth line from top, for E. /otirticforfi read E. iiiiincata. 



