768 



Till: A7.7/17X 



are very slight nnd nrc to be ascribed to the diflference iu form of the regions to which 

 the nerves un> di.-trihuted. 



The .shoulder of Man being short, and tho other rays of tin- limb lonjr iunl well 

 detached, the branches of the hiachiiil plexus can In- di\ iid-il intocullateral and terminal. 



The colla ttnil Imiiiches are: 1, Tho mhcliirinii l>run<-li, which is nut foiniil in our 

 animals, they having no subclavian muscle; '_', Tin m rve of the an<jiil<n-i* . 

 the rhomboiili iif ; t, Sttpt/ncajndaT >trrte ; 5, The turrnliio iitaijnttx ( ;*<>/ rinr tin 

 nerve; 6, Btlbtoyfvitu\ which is divided at its origin into two bran -ho as in tin- Sin. p 

 and (.'arnivora ; 7, Tho nerves of the (/rat/ and small {H-i-turul* (<int> riur thoracic); 8, Tho 



TIH; M.iivis OF Tin: AXILLA OF MAN. 



1, Scalenus metlius : 2, Scidonus nnticus; .">, Cord t'ormed by 5th and 6th cervical 

 nerves; 4, Seventh cervical nerve ; 5, Superscapular nerve; 6, Subclavian artery. 

 cut; 7, Insertion of snbclavius; 8, Cord formed by 8th cervical and 1-t dorsal 

 nerves; 9, Pectoralis major, reflected ; 10, Internal anterior thoracic iirnv ; ]_'. 

 Origin of subclavius ; 13, Pcctoralis minor, reflected; 14, Internal cutancdiu 

 nerve; 15, Axillary artery, cut; 16, Posterior thoracic nerve; 17, Musculo- 

 ciitaneous nerve ; 18, Origin of pectoral is minor; 19, Median nerve; 'Jo, NYm- 

 of Wrisberg ; 21, Coraco-brachialis ; 22, Intercosto-humeral nerve; 23, Ulnar 

 nerve ; 24, Subscnpularis ; 25, Krachi.il artery ; 26, Lateral cutaneous branch of 

 3rd intercostal nerve; 27, Middle subscapular nerve; 28, Short subscjijuilar 

 nerve; 29, Pectoralis major, cut; 31, Basilic vein; 32, Serratus mngnus ; 33, 

 Latissimus dorsi. 



accessory nerve of the internal cutan"ous, represented in quadrupeds by the subcutaneous 

 thoracic ; 9, The nerve of the great donal ; 10, The nerve of the teres major. 

 The terminal branches go to the arm, fore-arm, nnd hand. They arc : 

 1. The internal cutaneous, which in the Horse iu furnished l>y the uhiar norve. It 

 becomes subcutaneous at the upper third of the arm. and a little alxive tho elbow bifur- 

 cates ; the anterior is spnadon the fiont face of the arm to the wrist; the posterior 



