Addenda et Corrigenda 



Date of publication: August 23, 1932. 



All photographs of specimens figured on the plates were made hy the 

 author, with the assistance of Mr. Percy A. Morris. With the 

 exception of Plate A, and Figure 24 of Plate 1, these photo- 

 graphs are entirely without retouching. 



Page 57, column 1, line 14 from bottom, for impunctate read 

 ■punctate. 



Page 80, column 1, delete first two lines. 



Page 81, column 2, line 7, for Oxarkian read Canadian. 



Page 84, legend for Fig. 17, next to last line, for lejt read right. 



Page 88, column 2, lines 14 and 15, delete which is rather strongly 

 convex. 



Page 109, column 2, lines 4 and 5, delete We refer it doubtfully to 

 our new genus Paurorthis. 



Page 141, table 14, Aulacophoria should be derived from Schizo- 

 phorta, instead of from Orthotichia. 



