REFERENCE TO PLATES, VOL. XV. 323 



FIGURE PAGE 



21, 22. Urocoptis bahamensis var. providentia Pils. Pils- 



bry, del 280 



DATES OP ISSUE OP VOL. XV. 



Part 57, pp. 1-48, plates 1-15, Oct. 28, 1902. 

 Part 58, pp. 49-128, plates 16-34, Dec. 20, 1902. 

 Part 59, pp. 129-208, plates 34a-55, Apr. 9, 1903. 

 Part 60, pp. 209-323, plates 56-65, July, 1903. 



