212 MAYNIE E. CURTIS. 



PLATE III. 



FIG. i. Contents of dwarf egg No. 3. Note normal yolk and hard-shelled 

 dwarf egg which is enclosed only in the outer albumen layers of the normal egg. 



FIG. 2. Photograph of the shells of both included and including egg of double 

 egg No. 12. 



FIG. 3. Photograph of eggs which were in separate egg membranes but which 

 had been flattened against each other before the shell was deposited so that they 

 were lightly held together by the thin layer of shell which was continuous over 

 their exposed surfaces. Egg at the right was a normal egg. Egg at the left con- 

 tained a normal yolk but there was no albumen present. 



