NOTES ON REGENERATION. 



i6g 



end of the abdomen. There is no trace of further regeneration 

 within the stumps of the legs. At most, the bases of the legs 

 and the abdomen, or part of the latter, have regenerated. 



FIG. i. 



The second case is shown in Fig. 2, in which there is only a 

 bulging out of the end of the body. The cut had been made in 

 this case between the second and third pairs of legs. Sections 

 of this individual do not show any indications of the development 



FK;. 2. 



of legs or of a rudimentary abdomen in the new tissue of the 

 bulging portion, and there is nothing to indicate that the develop- 

 ment would ever have gone any further. The digestive tract 

 ends blindly and is not connected with the ectoderm. 



In looking over a large number of individuals I found a few 

 cases in which a leg on one side was much smaller than its 



