38 



EXPERIMENTS IN THE BREEDING OF CERIONS. 



individuals planted on the seaward side of the ditch seemed to have 

 become completely lost in the very rank and dense growth of Uniola 

 paniculata. It will be necessary to cut this down before a report can 

 be made on this colony. 



TABLE No. 21. Measurements of the first generation of Florida-grown Cerion casablancce 



from Bahia Honda Key. 



Bahia Honda was not visited in 1917 or 1918. 



On January 20, 1919, the planting along the sides of the ditch was 

 doing well, and also that on the sea side of the ditch, but we were not 

 certain whether the unmarked specimens here consisted of second 

 generation Florida-grown material or whether these might be first- 

 generation specimens which had crossed the ditch. It seemed as if the 

 ditch might have been crossed, judging from specimens found in such 

 locations. We were therefore unable to give these any status or to 

 make a positive statement regarding the second generation on Bahia 

 Honda. 



COLONIES OF CERION CASABLANCCE ON LOGGERHEAD KEY. 



On this key seven plantings have been made of this species. These 

 represent the Cerion colonies A, B, C, H, I, J, and 0. 



THE LOGGERHEAD KEY COLONY A. 



The first planting of Cerion casablancce was made on June 8, 1912, 

 when 500 specimens were placed in a meadow covered with a sparse 

 growth of Sporobolus virginicus, Cyperus brunneus, and cacti on the 



