THE BATEACHIA OF NORTH AMERICA. 



495 



H. Heart. 



Hv. Hepatic vein. 



Hyp, Hy. Hypophysis (pitiaitarybody). 



I, i. Intestiue. 



K. Kidney. 



1. Lung. 



11., liv. Liver. 



1. ant. Anterior lobe of liver. 



1. in. Large intestine. 



M. Mouth. 



ME. Mesencephalon. 



MD. Miillerian duct. 



Med. Mediastinuro. 



Mes. Mesentery. 



MO. Mouth of oviduct in cloaca. 



n. Nerves. 



O. Oviducts. 



O'. Fontanelle of oviduct. 



Oes. (Esophagus. 



Ov. Ovary. 



P. Pancreas. 



P. c. Plexus choroideus. 



Pe. 

 Pf. 

 Ph. 

 Pp. 

 Py. 



Prosencephalon. 

 Peritoneal fold. 

 Pharynx. 

 Pappillse cloacae. 

 Pylorus. 



r. Rectum. 



Rh. Rhiuencephalon. 



S. in. Small intestine. 



Sp. Spleen. 



Spx. Sapraplexus. 



St., Stom. Stomach. 



Sv. Sinus venosus. 



T, t. Testis. 



TE. Thalamencephalon. 



Ur. Ureter. 



Ut. Urethra. 



V. Ventricle of head. 



V. B. Vena brauchialis. 

 Vca. Vena cava ascendens. 

 Vd. Vas deferens. 



Ve., Vek. Vena effereus of the kidney. 

 Vet. Vena etferens of the testis. 



VI. Left ventricle. 

 VM. Vena mesenterica. 

 VP. Vena portae. 



Vp. Vena pulmonalis. 



Vr. Right ventricle. 



Viv. Fourth ventricle. 



Ventricles of the brain I, II, III, IV. V. 



V. 1. Lateral ventricle. 



Vre. Vena3 revehentes renales. 



