(ESOPHAGUS, STOMACH, AND INTESTINE 337 



FIG. 246. ALIMENTARY 

 CANAL OF PERCH. 



A, anus ; Ap, p3 T loric cteca ; 

 ED, rectum ; J/, stomach, 

 with caecal process (t) and 

 short pyloric region (PP) ; 

 Ml), small intestine ; Oe, 

 oesophagus. 



FIG. 247. 



FIG. 247. ALIMENTARY CANAL AND APPENDAGES OF Protopterus annectens. 

 (After W. N. Parker.) 



ap, abdominal pore; b.d, common bile duct, and b.d 1 , its aperture into the 

 intestine; b.ent, bursa entiana (anterior portion of intestine); d, cloaca; 

 d.c, cloacal caecum; c.m.a, cceliaco-mesenteric artery; cy.d, cystic duct, 

 g.b, gall-bladder; h.d, hepatic ducts ; h.p.v, hepatic portal vein; k.d, base 

 of kidney duct; lr, liver; m.a 2 , ma 3 , mesenteric arteries; ood, base of 

 oviduct ; oes, cesophagus ; py. v, pyloric valve ; re, rectum ; ap, spleen ; 

 sp.v, spiral valve; st , "stomach" ; v, vent. The pancreas is not seen, as it is 

 embedded in the walls of the stomach and anterior part of the intestine 

 on the dorsal and right side. 



Z 



