IT! 



v///-: /,'/>////.( vv;/n* .t/'/'. i/;. i// ST. 



externally by an almost amorphous mcinlinuir \\liidi divides it into " acini." 

 or fzhiiid-granules. Separate acini are often observed on the niiiin nin;il. 

 Kuril lobule is made up of its greyish-white, soft parenchyma ruinpns* <! of 

 free nuclei and small cells, and has a minutely-distributed capillary pit \ns. 



TORTION OF TI1YMU8 

 GLAND OF CALF, 

 UNFOLDED. 



Main canal ; 6, 

 Glandular lobules ; 

 c, Isolated gland 

 granules seated on 

 the main canal. 



COURSE AND TERMINATION OF TI1K AHSOKIJI.M 

 DICTSOF THE TIIYMUS GLAND OF A CAM'. 



1, Interual jugular veins ; 2, Superior vi'iia rava : 

 3, Thoracic duct, dividing into two ln-aiirln-, 

 that, again unite before terminating in tin' iv..t 

 of the left jugular vein; 4, The two thymic 

 ducts: that on the left >\<\<- opening into the 

 thoracic duet, and the right into the root of 

 the corresponding jugular vein. 



The lymphatics terminate in two largo ducts that commence at the upper 

 extremities of the lobes of the gland, the tJiymir <lm-ts, and pass down- 

 ward to terminate tit the junction of the jugular and axillary veins at each 

 Hide.) 



DIFFERENTIAL CHARACTERS IN THE GLANDIFORM BODIES ANNEXED TO THE RESPIRATORY 

 A1TARA1US IN OTHER THAN SOWED ANIMALS. 



The thyroid body, peculiar In Mmmnals, is more developed in Jtiimiitditt*, l\i<-l,i/- 

 derm#, mid the ('i//-//'Vnm. !i..m in Siili|K-d. Tlir two lol.c.s are closer toffrthi-r, aiid 

 often juiin-d hy tin- tliymid i.->tliinii.->. In the ./'/';/ thi la very marked, and thr ^lund 

 well merit* its name, as it forms a veritable shield in front of the trachea, towards the 

 lower pnrt of the neek. 



