292 Fry in pools. A 



it would be if the spawning 1 



Paras. 27, 28, 29. „ , , , ., . 



. alluded to were the only ones 

 if the fry had not sometimes intermediate water 

 enough to satisfy their descending instinct. But 

 nately the fish do not all spawn by one rule, so as to 

 their fry all dependent on the accident of the succ- 

 or disastrous issue of a single arrangement. The 

 seer apparently go on spawning at different localitii 

 three months. Many will thus be below the dams 

 spawning, and many again will be below the upper < 

 and have miles of deep water in which to live be1 

 them and the lower dams. This is the case at S 

 There are four miles above and 12 miles below it, 

 gether 16 miles, without a dam across the river. "V\ 

 this space there are many deep pools, which temj 

 big fish to stay, and which shelve gradually up to 

 shallow water running over sand, gravel, or shingle, 

 shallow water at the tail of these pools is not, aftf 

 spawning time, liable to any great fluctuation in c 

 for, however low the water in the river, the water i 

 pool must necessarily rise to the same level before : 

 flow over at all. Consequently the tails of pools 

 favourable spawning beds, and being not unfreqv. 

 followed by a long scour, the fry have a very fair c 

 of escaping their devouring parents, who, after spaT 

 have returned to deep water nearer the head of the 

 a furlong or a quarter of a mile, more or less, awaj 

 Para. 20. supra. Also their fry. These are the fry 

 para. 1 1 of my former having kept out of the rice : 



