ABsTRA ⊂T・ Ve considered a sku ] 1011 Canis preserved at a private h⊂, use m Yarnanashi Prefecture as that ofJapanese wolf , Cα nis hodo ρ hilax . The size was 126 . 3 min in zygornallc breddth. 107. 9 mrn in median pala し aHer 】 gth and 38 . 2 mm in Ieast breadth betweerl orbits. The ders 〔 , −ventrally smalier frollral bone alld caudo . laterally enlarged zygornadc arch cDuld be l ) bserved . The [ 10stro − cranial separation of the ros し ral alar foramen and 匸he hollow in the medlan part of

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... he posterior mallgin of the patatine b〔me were c〔 川 firrnec ] 、 The most dorsal region of the zygomaUc arch consisted of the zygomadc pllocess orthe temIx )ral bone . Bo〔 h os 〔 eometircal and non − rne 〔 曜 . lcal characters demonstrated tha し the material was the skull D [ ' th E, , extinct Japallese " ・ o [ £ In add 而 on lhe CT ( cornl コuted 匸omography )imaging analysis pomted out tha〔 the nasal meatus was separated imo lhe dorsaL media [and ventral nasal parts、 and that the meatus poss〔 tssed complica [ ed st. ructl ユre in nadl cavity as well as ln the domesticate 〔1 d⊂〕 g . The distinc [ nasal sept . 1ユm ⊂ : ar しi 】 age and dorso. ventrally rlarrov 、 ' fr〔mlal sinus c 〔 ,uld be seen in CT lmages. These CT data wi [ 1 he[ p us to discuss the olfac . tory function in 〔he japanese w ⊂ 〕 1f .