ERRATA. 
Page 178, top line, for villicollis read vitticollis. 
», 9303, line 24 from the bottom, for p. 208 read p. 298. 
» 503, ,, 26 from the bottom, for macroscelis read macrocelis. 
» 682, ,, 24 from the bottom, for jussoni read gussont. 
683, ,, 8 from the bottom, for tetragoaa read tetragona. 
