ECOLOGICAL SUCCESSION. 21 



and present in the north shore streams. In addition, we find 

 several species in Hickory Creek (among these is a single specimen 

 of darter, the species probably not resident) not found in the 

 north shore streams at all. Hickory Creek is better situated 

 for fish to enter, as they may come upstream directly, while in 

 the north shore streams they must enter the lake and enter a 

 given stream by rh.mrr. A < ordingly, the larger number of 

 spent-- i- to IP.- . ted in IhVkory ("reek. 



In column III. are sho\\ n the fishes at the head of erosion or 

 th.- rit'tlt-- nearest the sour< e of the stream. A number of swift- 

 w.uer fish -darter- are -ho\vn here. Thr-e \\etv abundant. 



In column IV. tin- tx > u; , number of lishe- similar in 



habit- to tho-e shoun in column III. i- indicated. The stream 

 i- -imilar in bottom and volume of water at the localities rcpre- 

 -ented in column- III. aid IV.. and further collecting \\ould 

 probably lia\<- -ho\\ n the-e t \\ o localities to be inhabited by 

 practically the same fi-li. Tin- P-ck bass was represented by a 



single ill\ellile sp r < imell. 



1 'lunm \'. sho\\ s the li-h .u a point in the stream \\ltere the 

 volume of \\ater i- about four times that at point IV. The 

 >tivam here i- characterized b\ rillles <m ,l lar^e pools. This 

 \\a- more thoroughly studied. ( '. .llectioiis \\ere maile -e\eial 

 time- during il;< MI and dail\ for nearly a \\eek in the 



month "I ^.-ptember, [908. I It-re was taken a >inv;K- ju\enile 

 specimen ot the horiu d dat e. The retl-be!lied d.n f and Johnny 

 daiier were ii"t taken. The atldition of a number of la; 

 tislu-s lu-re is ,,f int. I .itlilition.il >i . in- character- 



i-iic of l.ii -,- streams. 



; v /' Table III. 



Table III. i- introduced to >h, ,\\ conditions intermediate be- 

 tween the north shore streams and I lickory ( "reek. The localities, 

 of study \\cre -elected to correspond to localities in Hickory Creek, 

 just so lai ditioiis in Thom-Butterfield Creek \\ould permit. 



In .general, condit i< nis at A in this suvam c.>rn-poiid to I. in 

 Hickor> Creek, but differ in that the water at A i- c. .11 fined to 

 po. .U in dry weather and is continuous at I. B corresponds to 

 111. and C to V. 



