XXI. August, /y//. M 



BIOLOGICAL BULLETIN 



i ' GICA1 51 CCESSK >\. 

 I ! POM FISHI s. 



!; -H!-i 



I. I 

 1 1 



I . ' i j s 



III 



IV h 



. . . 

 V I 



VI 

 V 1 1 Summan 



V! 1 1 



I. 1\ I l<" -Hi i I I- >\. 



Ill ilu- lir-i p.iprr nf tin'- ^ i l"i-ln - .ind I'h\-in- 



ihi( \n.il\-i-" . \\c (ininitd mil tli 'ii^ l"ir uixlcri.ikin^ 



thi- investigation and ed iln- inu-p" 'iini! \\liidi tlu- 

 \\ru-k h.i- Tlicrc \\.- were I-.>IU-.TMC<I \\iih ilu- \.iliu- 



nl" ilu- |)|-iiici|)!i-- !' pliN- !)> in a nu-tlunl of l ic.iiin- ilu- 



.iniin.il in ilu- t n\ inuiiiii-in .uul of (k-irrminin^ sniiu-lliin;; <!' ii- 

 character as a whole. Here we are to di--u>s ilu- \ .ihu- >f pi. mi 

 -11. . i --inn in .1 -imil.ir \\.t\- .uul to h.i\v .1 1-i-iu-r opportunity i" 

 -hn\\ ilu- \.ilidii\- <! ilu- principlr ol succession as .ipplird to 

 .iiiiin.il-. l-'iirilu-rninn-. .1- \vr pointi-d mil in the O|!UT p.i; 







logical -ii' n i- to be differentiated fn'm -colo-ii .,1 -uc- 



