THE FROG. 



k. Kidney. 



///'. Right lung. 



//". Left lung. 



/./t'. Anterior lymph-heart. 



l.h". Posterior lymph-heart. 



l.tr. Laryngo-tracheal cartilage. 



lv'. Right lobe of liver. 



/". Left lobe of liver. 



l.c. Larynx. 



lij. CircumoDsophageal lymph-sinus. 



m.o. Mesorchium. 



m.ov. Mesoarium. 



iiw. Mesentery. 



mx.t. Maxillary teeth. 



od. Oviduct. 



od'. Its uterine portion. 



od". Aperture of oviduct. 



ic. (Esophagus. 



ov. Left ovary. 



/>. Pancreas. 



/i. CM. Pulmo-cutaneous trunk. 



l>.cu'. Point of origin of the same. 



pf. Pyriformis muscle. 



l>r. So-called vesiculae-seminales. 



l>r'. Ducts of the same. 



pr.c. Vena cava superior. 



/>/.'. Vena cava inferior. 



p.v. Pulmonary vein. 



p.v'. Aperture of entry of the same. 



py. Pylangium. - 



pyl. Pylorus. 



r. Rectum. 



s/). Spleen. 



st. Stomach. 



.v. Sinus venosus. 



sy. Synangium. 



t. Tongue. 



tr. Truncns arteriosus. 



Is. Testis. 



".III. So-called urinary bladder. 



;. Ureter ? . Genito-urinary duct <J . 



ur'. Orifice of the same. 



v. Ventricle. 



v'. Cut edge of ventricle. 



ea'. Auriculo-ventricular valve. 



va". Sinu-anricular valve. 



rn.l. Longitudinal valve (septum) of pylaugium. 



v a.. Semi-lunar valves. 



v.cd. Vocal cord. 



v.ef. Efierent ducts of testis. 



v.s. Vocal sac. 



v.sf. Aperture of the left vocal sac. 



r.t. Vomerine teeth. 



I 



