ERRATA 



In the article by James H. Gardner, published in No. 8, 1910, 

 of this Journal, the following errata should be noted: 



Plate I, between pages 702 and 703, belongs to the preceding 

 paper, by Messrs. Ball and Shaler. 



Plate II, between pages 742 and 743 in the paper by Mr. Robin- 

 son, belongs between pages 708 and 709. 



Label for Fig. 3, p. 716, is for Fig. 7, p. 724. 



Label for Fig. 4, p. 718, is for Fig 

 Label for Fig. 5, p. 720, is for Fig 

 Label for Fig. 6, p. 722, is for Fig 

 Label for Fig. 7, p. 724, is for Fig 



3, p. 716. 



4, p. 718. 



5, p. 720. 



6, p. 722. 



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