loS 



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. 



ret 



hA 



pij.c 



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 : /;.</, hepatic duct : il, ileum : //- 1 , right lobe of liver : 

 !r~, middle lobe of liver : 7;-3, left lobe of liver : as, oesophagus : 

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

 duct, below it apertures of pyloric coeca. 



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 



