io8 



ZOOTOMY. 



106. 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. 



dm 9* 



ret 



\ 



h.d 



py.c 



c.b.d 



FIG. 31. Gadus morrhua. Dissection of the alimentary canal 

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



a, anus : c.b.d, common bile duct : c.d, cystic duct : dm, duodenum : 

 g.b, gall-bladder : h.d, hepatic duct : il, ileum : lr l , right lobe of liver : 

 lr 2 , middle lobe of liver : /r 3 , left lobe of liver : <xs, oesophagus : 

 py.c, pyloric caeca : ret, rectum : st, stomach ; x, aperture of bile 

 duct, below it apertures of pyloric caeca. 



1 08. 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 



