. Sinossi delle donnole del Nord America [microformati]. La donnola; mammiferi; Belettes; Mammifères. 8 NORTH AMERICAN FAUNA. (Ko.n ilui'k aron di miiMIc di lm<"k; foro metà liiiul piedi, cinl di coda e la banda attraverso liU"e (inclndinf;: occhi) lilaek. Colore.-(I round eolor palo giallastro o butfy al di sopra e al di sotto, offuscata sulla sommità della testa (e talvolta sul collo anche) da dark-ribaltato liairs; fac(^ <n<)ssed da una banda larga di fuligginosa bla(;k, che include gli occhi; piedi, inferiore ))l'arte di le;;a, terzo terminale di coda, e rejjion prepuziale, fuligginosa nero; indietro, circa nudway tra in avanti e le zampe posteriori, ma

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. Synopsis of the weasels of North America [microform]. Weasels; Mammals; Belettes; Mammifères. 8 NORTH AMERICAN FAUNA. (Ko.n ilui'k aron in miiMIc of lm<'k; foro mid liiiul feet, cinl of tail, and band across liU'e (inclndinf;: eyes) lilaek. Color.—(I round eolor palo yellowish or butfy above and below, clouded on top of head (and sometimes on neck also) by dark-tipped liairs; fac(^ <n<)ssed by a broad band of sooty bla(;k, which includes the eyes; feet, lower ))art of le;;a, terminal third of tail, and preputial rejjion, sooty black; back, about nudway between fore and hind legs, marked by a large patcdi of dark umber-brown, which fades insensibly into the buify of surrounding parts; muzzle, lips, chin, a small spot over each eye, a iuirr(»w band behind black facial bar, and sides of head to and including ears, soiled white; anterior margin of ear near base (ilouded with dusky. Cranial rhardctrrs.—Skull large and massive, very broad between orbits, and deeply constricted behind postorbital processes, ' which are strongly developed; zygomata strongly bowed outward; audital bulhe obli(piely liattmied on outer side; a prominent bead over lachrymal opening. Compared with our American weasels, the skull of PutoriuH nigripeft may be told at a glance by its great size, the basilar length in adult males averaging about G5 mm., and in females about 02 mm. Compared with P. cversmanni of southern Siberia, it may be distinguished by the greater postmolar pro- duction of the palate, and by other minor cra- nial characteis. From the common ])olecat of luirope {Putorius putorim) it ditters in several important characters, as may be seen by reference to PI. I. In P. puto- ritis the postorbital region is very broad, the postmolar part of the palate ex(!eedingly long, and the anterior part of the audital bullae very • different. Rcmarla.—The black-footed ferret bears no resemblance whatever to any other American mammal, but is very closely related to the Sibe- ria

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1890
• booksubjectmammals
• bookyear1896