566 



Chas. W. Hargitt. 



Of 226 small adults collected at Waquoit Bay, May, 1905, 

 there were 55 variants, or 24.3 per cent. The general features of 

 variation are tabulated as follows: 



Table VI. 



No. OF 

 Specimens. 



Gastric 

 Lobes. 



Oral 

 Lobes. 



Rhotaua. 



Canal System. 



3 

 26 



7 

 5 



12 



J Perradial . . 

 I^Interradial 

 J Perradial . , 

 |lntcrradial 

 J Perradial . , 

 ]^Interradial 

 j Perradial . . 

 I^Interradial 

 J Perradial . , 

 l^lnterradial 

 J Perradial . . 

 [^Interradial 



Perradial . 



Interradial 

 j Perradial . , 

 [^Interradial 

 J Perradial . , 

 1^ Interradial 



Perradial . 



Interradial 

 r Perradial . 

 [^Interradial 

 j Perradial . 

 [Interradial 



Perradial . 



Interradial 

 r Perradial . 

 [Interradial 



