INLAND FISHERIES. 



41 



Leiii^th 

 in mille- 

 meters. 



Aug. 23 



June 25 38-40 

 June 25 32-41 

 Aug. 23 



Sept. 20 25-44 177 

 Average 49] 119 



36 

 124 



75 



90 



90 

 54 

 135 

 32 



46 



125 

 140 



205 

 400 

 313 

 327 



180 



108 



1 1 



CD S 

 3 O 



I 013 





,-^3; 



6 

 12 



12 

 All dead 

 22 

 80 

 12 

 24 



105 



70 



a; ;-; 3JL 



20a 

 4|- 



8^ 



433 

 55 

 134 



4f 

 10| 

 44 



55 

 322 



200 



176 269 



7 

 7 



6f 

 63 



102 



lOS 



432 



; C^ 



Remarks. 



21 per ct. 31 alive, 75 dead shells, and many more pieces 



of shells. 

 11 



15 " I Preserved June 25th. 



Shells showed two months or more of growth. 



12 per ct. 



32 " Preserved August 20th. 



19 



21 



24 per ct. 



9 per ct. 

 11 



485 

 200 

 472 

 273 



322 



603 



1861 

 1894 



69 per ct. 



29 



73 



42 



31 



60 



Seven found alive. Were twice the length of 

 those planted. 



One found alive. Dead shells showed increase in 



length of 50 per cent. 

 All dead. 



Only three alive. 



Preserved June 25th. 



Preserved June 25th. 



Four found alive. Increased in length 1}^. 



Seven found alive. Increased 2J^ times length. 

 Preserved. 



Sand-box had high sides. Compare growth with 

 next experiment. 



352' 

 213 



- See page 25. 



