46 



EXPERIMENTS IN THE BREEDING OF CERIONS. 



planted in June of the same year in a little meadow on the west side 

 of the south end of the island. The place of the planting is covered by 

 a moderate growth of Uniola paniculata and is marked by a stake bear- 

 ing a tag with the legend, "Porto Rico, 1915." 



The check series, consisting of 100 specimens, Cat. No. 334724 U. S. 

 N. M., taken at random from the collection which furnished the mate- 

 rial planted on Loggerhead Key, yields the measurements shown in 

 table 29. The specimens are figured on plates 48-50. 



TABLE No. 29. Check series of Cerion crassilabris. 



