THE FROG 



When we push aside the alimentary canal still other organs are 

 brought into view, these are the reproductive organs, which, as they 

 differ in the two sexes, need separate description. In the male a 



hy.n. 



ly. 



FIG. 2. A male frog dissected from the ventral side. From Borradaile. 



a.ab.v., anterior abdominal vein, cut short, ligatured, and turned back ; a.musc., cut edge 

 of abdominal muscles ; bl., urinary bladder ; c.d., common duct of gall bladder and pancreas 

 d.ao., dorsal aorta ; du., duodenum ; f.b., fat body ; fem.v., femoral vein ; g.b., gall-bladder 

 ht., heart ; hy.n., hypoglossal nerve ; int., ileum ; i.v.c., inferior vena cava ; k., kidney ; k.d. 

 kidney duct with vesicula seminalis ; lr.. liver ; o., point at which c.d. enters the duodenum 

 pcs., pancreas ; pl.v., pelvic vein ; r.l., right lung ; rm., rectum ; r.p.v., renal portal vein ; 

 sar., sartorius muscle ; sm., mylohyoid muscle ; sp. t spleen ; St., stomach ; t., testis ; v.v., vesical 

 vein. 



