ERRATA. 



P. 11, third line from top, read PYGIDIID/E for 

 PYGIDID.E. 



P. 11, twelfth line from top, read P/jyidiiiKi' instead 

 of PjiiiliVi inc. 



P. 11, fourteenth line from top, read Sfe()oj>Iieiince 

 instead of Sfcf/op/ic/lni. 



P. 43, eleventh line from hottom, read peruvianus 

 instead of peruaniis. 



P. 53, eleventh, fifteenth and sixteenth lines from bot- 

 tom, read te'iu.inincfyicnus instead of temminh'Hinus. 



P. 317, twelfth line from top, read (PygidiiN/e) in- 

 stead of (PyGIDIN/E). 



P. 341, add tirst line Subfamily STEGOPHILIN.E. 



P. 358, twelfth line from top, read oxyrryncha instead 

 of oxyrrhynchus. 



P. 358, thirteenth line from top, read oxurvyncha in- 

 stead of oxi/rrJn/nc/ias. 



P. 392, seventh line from top, read Parotocinclus instead 

 of Hisonotus. 



