loS 



ZOOTOMY. 



io6. The spleen, a smooth, dark red body, of elongated 

 form, situated somewhat dorsal to, but not directly con- 

 nected with the stomach. 



107. The gall-bladder (Fig. 31, g-b), a large ovoid sac, 

 filled with bright green bile, situated about the middle of 

 the abdominal cavity towards the right side. 



St dm9\ ^-^ 



■ Mil 



Fig. 31. — Gadus morrhua. Dissection of the alimentaiy canal 

 and its glands, from the right side (J nat. tize). 



<2, anus : c.d.d, commcn bile duct ; <:.</, cystic duct : dm, duodenum . 

 ^il.i, gall-bladder : /;.(/, hepatic duct : ;7, ileum : /;-', right lobe of liver : 

 /r-, middle lobe of liver ; /r3, left lobe of liver ; as, cesophagus : 

 /J'.f, pyloric ca?ca ; ret, rectum : .r;', stomach : jr, aperture of bile 

 duct, below it apertures of pyloric cxca. 



108. In the male, the testes, long lobulated glands, 

 having much the appearance of fat, and extending horizon- 

 tally along a considerable proportion of the length of the 

 abdominal cavity : their size varies greatly according to the 

 season and the age of the fish. 



109. In the female, the ovaries, conical sacs, of a pink 



