BY II. II. SM OT r \M> I i.l\ i: E. LORD. 105 



THE CLAVICLES. 



The clavicles of N. mitchelli agree in outline exactly 

 with those attributed to Diprotodon, and depart, in con- 

 tour from thus,- of lite Leptocerathim Nototherian group, in 

 exactly the way noted in the monograph upon Xototherium 

 tasmanicum. Owing to this variation in shape, it is not 

 easy to give comparative contour measurements, but the 

 following may ].. ful. 



CLAVICL 



In every wi both Diprotodon and 



Nototherium mitchelli are i 

 from the Lepi They art widi 



- the 

 Ap] renl 

 thinning of th I inl rodui weak- 



oken clavicl ■ of X . mitchelli 

 snappi [n at- 



tempt 



he width 

 of tie time it contracted its 



mm. 



[E SOAPUL. 



Be. ';>' an' n 



This i 



lima! t>> wind and for many 



; I the 



being 



above in for unfair treatment. The 



mm., the complete h 



■ mm. That of X. tasmanicum is 



430 mm. in an in n, so we ma; the 



animal's shoulder blade !0 mm. L 



b of the nearly perfect left scapula is 253 mm. 



pt in the matter of age, the scapule fairly 



well with I, and di Lonograph 



upon Notothei lanicum (vidt page -•*'>, and plate 



factor, of course, omits the supero.-sification 



due '<) matured muscular attachment. The ercat fossa 



