30 



SMITHSONIAN j\[ISCELLANEOUS COLLECTIONS VOL. 63 



Fig. 30. — " Peanut " shells on dead stump. Key West, Florida. 

 Photograph by Bartsch. 



tendencies prevail in the adult shell, then it can be seen that the 

 somaplasm has not at once responded to the change of environment. 

 The reaction of the germ-plasm to the changed environment will 

 await interpretation until the next generation presents itself. 



Dr. Bartsch likewise kept a record of the birds seen on the various 

 Keys visited between Miami, Florida, and the Tortugas, and has pub- 

 lished this also in the Carnegie Year Book for 1913, pp. 220-222, with 

 the hope that it may prove useful to students of bird migration. 



