52S THE RABBIT chap. 



llie xiphistciniini lo the pelvic symphysis, so as Lo open up the 

 abdominal crt^"ity. From the anleiior extremity of the incision mal;e 

 trans\erse cuts, anil turn back the na|:is of muscle.^ Note : — 



1. (/, Tile p<-i-iloih:uiii ; />, tile iHaplira^^ni , \\'\^\\ its muscles ami 

 central tendon; ,, the pink li(ii;^s, seen through the latter; make a 

 small apertine in the diaphray;nr on one side of the median line and 

 note the collapse of the corresponding lung. 



2. <(, The Uvc)-, sloiiiatit, small ii!li'stiiii\ c<ciitiii^ t'oloii, and rcduNi 

 (pp. 495-499) ; /<, the urinary hladdi-r ; ,-, tlie scrotal sacs in the male ; 

 and — by turning aside the intestines — d, the kidneys ; and c, the ovaries 

 and ovidnels {var)ing much in size according to age) in the female, 



3. II, The characters and relations of the lobes of the liver (compare 

 Fig. 128), and the folds of peritoneum which attach the liver to the 

 diaphragm ; /', the gall-hladder : e, ihcgiillet, and its entrance into — e, 

 the sloniacJi (cardiac and pylofic portions) ; /", the spleen, 



4. «, The parietal and visceral lajevs of the peritoneum and the 

 various subdivisions of the mesentery ; b, the U-shaped duodenum, 

 passing into the ileum, and the connection of the latter with the 

 proximal end of — i, the eieeiim, at the distal end of which_ is the 

 vermiform appendix, while proxinially it passes into — d, the colon, 

 continuous with— ^Z", the /■«.•(////«, which enters the pelvic cavity to open by 

 the anus. 



II. Turn over the stomach lo the animal's right side and make 

 out — 



1. u. The postcai'al vein, passing from the pelvis forv\ards, iiear the 

 ventral surface of the backbruie, through a notch in the liver to the 

 diaphragm; /', the dorsal aorta, running partly above, partly alongside, the 

 postcaval ; e, the ca-liac artery, given off from the aorta about an inch 

 posterior to the diaphragm — trace its main branches; d, the anterior 

 mesenteric artery, arising about half an inch further back than the 

 cceliac — trace its main branches. 



2. a. The left kidney, with its artery, vein, and ureter : b, the 

 yellowish left adrenal, anterior to the origin of the renal artery and 

 vein ; (', the left 07'ary, Fallopian tube, and uterus in the female. 



1 \'ou will very probably notice a number of transparent, rounded 

 vesicles, about \ inch in diameter, in the abdomen. These are tape- 

 worms (phylum Platyhelininlhes, p. 397) in the encysted stage, which 

 develop into the adult form when swallowed by a dog. 



