

570 MR. J. C. GALTON ON THE MYOLOGY OF 



A little further on, this muscle appears to enter into a more or less intimate connexion 



ical reg 



This muscle is well represented by Cuvier *, under the name of dermo-liumerien . 



Ehomboidei. — These are scarcely to be differentiated except by a slight difference in 

 the arrangement of their muscular fibres, the r. minor being coarser in texture than its 

 fellow. The r. minor takes origin from the occipital crest, and from the side of the 

 nuchal ligament, along its whole length, and is inserted into the superior angle of the 

 scapula, and into a very small adjoining portion of the base of the bone, 



This muscle is represented by Cuvier 2 under the name of " rhomboide du cou." 



The r. major arises fleshy from the spine of the " vertebra prominens " (1st dorsal), and 

 from those of the three succeeding vertebrae, also from an aponeurosis covering the deeper 

 dorsal muscles, and covered in turn by the trapezius. It is inserted along the whole of 

 the posterior costa of the scapula. 



Levator anguli scapulae. — This muscle consists of two portions, the smaller of which 

 is a slip of uniform breadth arising from the transverse process of the atlas, beneath the 

 origin of the acromio -basilar, but fused with it. It was inserted into the posterior part 

 of the fascia covering the supraspinatus . The bulk of the muscle seemed to take origin 

 from the transverse processes of the cervical vertebras, from the second to the fifth inclu- 

 sive, and was inserted into the upper angle of the base of the scapula, fusing with the 



superior portion of the inserted part of the serratus magnus, as described by Prof. 

 Humphry 3 . 



The first-mentioned factor of this muscle may answer, I think, to the occipito-scapular, 

 which I have described as having so enormous a development in Dasypus sexcinctus. 



Serratus magnus.— Had no peculiarities worthy of note, excepting that, besides taking 



from the first eight ribs, it seemed also to arise from the transverse processes 

 of the two lowest cervical vertebra?, assuming thus the appearance of a downward con- 

 tinuation of the levator anguli scapulae. It is inserted into the inner aspect of the 

 scapula, close to the basal margin. 



Acromio-basilar.— This muscle, termed by Prof. Humphry 4 " cervico-humeral," arose 



D 



from the transverse process of the atlas, and was inserted into the « metacromial pi 

 (Parker) of the scapula. During nearly the whole of its course it ran in close relation 

 to the free edge of the cervical portion (Cuvier) of the trapezius, and, just before insertion, 

 was nearly fused with it. 



Cuvier gives a very good representation of this muscle 5 , under the designation of 



ii ^ rt ™^™,'~ " 



omio- " or « omo-trachelien." It may be worth noting that in this author's fi 



of the Armadillo 6 the symbol of a factor ("portion 

 attached to the homologue of this muscle 



) of the trope 



is 



The acromio-basilar niaj-, after all, be regarded, as Meckel long ago suggested', as but 

 mlterentiated portion of the trapezius. 



K*pem..-TMa muscle appeared to take origin, as fax as I could ascertain without 



1 Op. cit. pi. 254. fig. 1, and pi. 255. 

 1 Ibid. p. 298. 



Op 



3 Loc. cit. p. 299. 



<,. , , , • , , . °P* ciL I )L -•">-*• % 2. » ibid, pL 260. fig. 8 



Syst. der vergldch. Anat.' Halle, 1328, dritt. Theil. x>. 481. 





with the under surface of the musculus ster mails, before this latter broadens out in the 















