PLATE XLV. 



Class AMPHIBIA continued. 

 THE FROG continued. 



FIG. 1. VISCERA IN POSITION, x 1. 



h. head of the humerus : a. aorta : v. ventricle with the auricles 

 above it: lg. l ,lg. 2 right and left lungs: L l -l. 3 lobes of the 

 liver : g. gall-bladder : sp. spleen : I. large intestine : i. coils of 

 the small intestine: fr. 1 ,^ 2 lobes of the cloacal bladder: 

 /. femoral vein : a. p. anterior pelvic veins uniting to form 

 the anterior abdominal vein : t. left testis : s. stomach : 

 dn. duodenum. 



FIG. 2. LIVER AND STOMACH, x 1J. 



I. 1 -I. 3 lobes of the liver: g. gall-bladder: b. bile duct: p. outline of 

 the pancreas : s. stomach : py. pylorus : dn. duodenum. 



FIG. 3. ALIMENTARY TRACT, x 1. 



ce. oesophagus : s. stomach laid over to the right side : p. pancreas : 

 sp. spleen : i. coils of the small intestine : r. rectum. 



FIG. 4. TRANSVERSE SECTION OF THE LUNG, x 3. 



FIG. 5. TRANSVERSE SECTION OF THE STOMACH, x 4 



FIG. 6. TRANSVERSE SECTION OF THE SMALL INTESTINE, x 4. 



