ECOLOGICAL SUCCESSION. 23 



TABLE XXIV. 



.THY up FOOD; THE RATING OF THE PONDS FOR THE DIFFERENT SPECIFS. 



* shows distribution of ti<h. 



i 



I'tuhrn .in<l Esox vernncnlatus all fairly .ilumdani. h 

 .idem ili.it pond I. contains fewer fish per unit \olmne, still 

 it ha- less Kntomostraca. Evidently con-umpiiun l.\ \\-\\ <\ 

 not -iv.it!> .illt-ct Entomostraca. 1 The i-oudiiimi \\iih rc~|H 

 to Kntonn.Mi.il .1 is paralleled by other elements oi ii-li loud. 



(//' ( "omprtition of Species. On this poini \\c h.i\r ln-rn ,i1>l< 

 i" -< -i mi -.tlmo-t no data. The golden shiner is absent trum pund 

 I. Su I'.ir .1- the conditions are concerned, ii should \n- 

 in iiuinlu i-. It is an important article of dirt for ni.ni\ !" 

 ti-lir- fuiind there, which suggests that it h.i-> ln-< 11 cliniin.ued 

 I >\ i In- oilier ti-hes. 



;,. /\(7.://.-v Importance of the Brccdi* '. 'iritics and General 

 The activities will be separated into ^i in-r.il and hn-ed- 



( '.riu-ral Activities. This will be taken up with reference 

 to the depth of water, kind of bottom and surrounding \ 



1 My >t.iti-im-llt (Slu-llord. 'lO) to tin- rtt.vt th.it thf .ilimuni 

 xini! ..ut tin- same in all the i . w;i- 



.- iK-en (liaiiu-il. Tal'N- XX 



