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ERRATA ET CORRIGENDA. 



P. 64, fifth line from top, for "near base " read near top. 



P. 65, third line from top, for " P-" read P-. 



P. 69, fifteenth line from top, for " protero " read postero. 



P. 76, fifteenth line from top, for " Plate XXXVII " read Plate XXXVIII. 



P. 86, third line from bottom, for " Culbertsoni " read culbertsoni. 



P. 92, sixteenth line from top, for " a paratype of " read belonging to. 



P. 95, fourth line from top, for " A. proavus " read L. proavus. 



P. 113, third line from bottom, for " to those " read do those. 



P. 124, First footnote belongs to p. 123. 



P. 128, second line from top, for " Fig. 3 " read Fig. 6. 



P. 138, thirteenth line from top, for '' cutitalis " read cubiialis. 



P. 141, eighth line from bottom, for " 103 " read 104. 



P. 142, third line from bottom, for " type " read paratype. 



P. 144, second and fourth lines from bottom, for " paratype " read type. 



P. 148, sixth line from top, for " upper " read lower. 



P. 154, fifth to sixteenth lines from bottom, for " 30 " read 3016. 



For " Capoeta," where found, read Capoeta. 



For " Distwchodon," where found, read " DistcEchodon.'' 



