But. U. S. B. F., 1908. 



Plate LXXXVII. 



Fig. 21. — Spawutakiiig operations, Baird, Cal. The fish (chinook saliuon) are dipped from the pen, killed by a blow 

 on the head, and passed to the spawntakers. The eggs are taken by opening the abdomen, and the strean'i of eggs 

 may be seen in the picture following the hand making the incision. 



Fig. 22.— One method m1 -tnppmu' ^t.-rllu-.i-l tf.nl ^m. - lln- ii^h n..nii.il!v .l.x.- 11..L ^Ip- alUi ^m tunin- 

 the ripe fish are not killed as are the salmon, and they are su large, and so powerful in Ih'eir strug- 

 gles, that the strait-jacket here shown is sometimes resorted to. 



