65 



1. Last molar of upper jaw (M -7-) transverse; (with the inner ledge 

 compressed). 



ZOKILLINAH. (B.) 



D. Auditory bulla little inflated, transversely constricted behind the rnea- 

 tus auditorius externus and thence inwards ; in front flattened forwards : 

 periotic region expanded outwards and backwards. Palate deeply 

 emarginated. 



1. Last molar of upper jaw (M--J quadrangular, wide, but with an 



MEPHITI1TAB. (D.) 



extended outer incisorial ledge. 



II. Skull with the cerebral portion swollen backwards and outwards ; and 

 with the rostral portion abbreviated, high and truncated forwards, and 

 widened and depressed above : anteorbital foramen enlarged and pro- 

 duced downwards and backwards. Fe*et with well-developed iuterdigital 

 membrane, and adapted for swimming. 



A. Teeth normal, 36 (M , PM f, C i, I *X-): sectorial tooth 



normal, efficient, with an expanded inner ledge ; the other molars 

 submusteliue. Posterior feet with normally long digits. 



LUTRIlfAE. (Q.) 



B. Teeth very aberrant, 32 (M i, PM I, C |, I f the lower inner incisors 

 being lost X-0 : sectorial tooth (PM-^-) defunctionalized as such, 

 compressed from before backwards ; the other molars also' with blunted 

 cusps. Posterior feet with elongated digits. 



SNHYDHIKTAB, (H.) 



A. ^ 



5.1. 



(Digitigrade.) 



Slu&tela L., Cuv.=.l/artes Gray (Les Martes Mustela Cuv). 

 Putorius Cu.v.=Foetorius Keys, and Bias. 



Putorius Gray. 



Gymnopus Gray. 



Gale Wa,gner=Mustela Gray, not Cuv. 



Lutreola Wagner= Vison Gray. 



. 2. 



(Plantigrade.) 

 Galictis ~Bell=Eirara Lund. 



Galera Gray. Grisonia Gray. 



. 3. 



(Sub-plantigrade.) 

 Gulo Storr. 



B. MBLINAE. 



Taxidca Waterh. 



Meles Storr=7 7 aa:us Cuv. 



Mydaus F. Cuv. 



Arctonyx F. Cuv.=*S' i z/narc^MS Gloger. 



August, 1871. 



