REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



165 



in the first three stages at the Wickford hatchery, the followino- 

 (Table No. 11a), compiled by Mr. E. W. Barnes, Assistant Superin- 

 tendent of the Wickford Hatchery of the Rhode Island Commission 

 of Inland Fisheries, is presented. 



Table No. 11a. 

 Length of Larval Stages in 1905.* 



Rs 



Begun. 



1 jMay 21. 



2 May 24. 



3 May 24. 

 5 May 26 



8 June 5. 



9 June 5 . 



10 June 7 



11 June 9. 



12 June 10. 



13 June 12. 



June 13. 

 .June 13. 

 June 19. 

 June 23 . 

 June 19. 

 June 27. 

 June 26. 

 June 26. 

 July 1 . 

 June 29. 



14 'june 16 July 1 



Temperatdee. 



Number of Days in Dif- 

 ferent Stages. 



Average. 



Stage. 



Second 

 Stage. 



Third 

 Stage. 



53-56 



54-56 



52-70 



52-70.5 



54-77 



54-77 



54-77 



54-77 



60-77 



60-77 



62-77 



61-77 



61-77 



61-79 



61-77 



61-79 



64-79 



64-79 



64-79 



66-82 



69-82 



69-82 



69-82 



57.4 



57.6 



60. 



61.3 



63.3 



64.8 



65. 



65.9 



66.8 



67. 



68. 



68. 



70.7 



71. 



71.2 



71.4 



74.4 



75. 



74.4 



75.1 



.3 o sJo 



19 

 18 

 15 

 17 

 16 

 14 

 14 

 13 

 13 

 12 

 13 

 14 

 11 

 11 

 13 

 11 

 11 

 12 

 10 

 11 

 10 



The average number of days in the first stage was 5 and ranged from 4 to 12. 



The average number of days in the second stage was 3 and ranged from 2 to 6. 



The average number of days in the third stage was 4 and ranged from 4 to 6. 



The average number of days to reach fourth stage was 13.8 and ranged from 10 to 21. 



*It must be borne in mind that the different lots were subjected to different conditions 

 which may have had an equal or greater influence than the temperature in regulating the 

 number of days in the various stages. 



