1157 
#511 Mustelai (#513 Mustela"^) xanthogenys xanthogenys (Gray, 1843, 
Ann. Mag. Nat. Hist., v. 11, 118 [Musiela]) Miller, 1912, U. S. Nat. Mus., 
Bui. 79, 99. Southern California *; Sonoran and Transition faunas of 
California, on both sides of Sierra Nevada. 
#511 Mustela i zibellina Linn., 1758a, 46. So. #521 Martes zibellina, q. v. 
§512 (515). Brain-case narrow, mastoid width less than or about equal to 
distance between basion and palation; auditory bullae not triangular in 
outline. See #513. 
#513 (514). Mustela' 55 Linn., 1758a, 45, type erminea Linn, (quotes Mustela 
vulgaris Gesner). — Stoats and weasels. Rostrum convex above; inner mar- 
gins of auditory bullae nearly parallel. Tail not bushy. Habits terrestrial. 
Form very slender; fur not modified for aquatic life. Skull without noticeably 
projecting mastoid processes; auditory bullae not triangular, the inner and 
outer borders nearly parallel; posterior border of pm^ shearing against 
anterior border of pms; other small premolars not capable of trenchant 
action. Northern hemisphere, south in the Old World to northern Africa, 
and in the New World to the Andes; in Europe to Ireland. 
#514 (513). Lutreola Wagner, 1841, Schreber's Saugthiere, SuppL, v. 2, 239, 
tat. lutreola Linn. — Minks. Rostrum flattened above; inner margins of 
auditory bullae strongly divergent posteriorly. Tail bushy. Habits semi- 
aquatic. Form moderately slender; fur modified for aquatic life. Skull 
without noticeably projecting mastoid processes; auditory bullae subtri- 
angular; premolars more prehensive than in Putorius; inner lobe of upper 
carnassial functioning against apex of pm4; anterior border of pm^ shearing; 
against posterior border of pms; point of pm^ opposed to posterior border of 
pm2. Northern portion of northern hemisphere from eastern Germany ta 
Atlantic coast of North America. Syns.: Hydromustela Bogdanow, 1871, 
Trudy Obshch, Estestvois. Kazansk. Univ., v. 1, Mem. 1, 167 [nv]; Vison 
Gray, 1843, List Spec. Mamm. Brit. Mus., pp. xx, 64, mt. tat. Vison lutreola 
Linn. syn. Mustela ' vison Brisson. 
#515 (512). Putorius Cuvier, 1817, Regne Anim., v. 1, 147, tat. Mustela putorius 
Linn. — Ferret, polecats, putois. Brain-case broad, the mastoid width 
decidedly greater than distance between basion and palation; auditory 
bullae triangular in outline. Form moderately slender. Tail bushy; fur 
not modified for aquatic life. Skull with noticeably projecting angular 
mastoid processes; inner lobe of upper carnassial functioning against para- 
conid of lower carnassial ; interrelationships of teeth essentially as in Mustela, 
but small premolars more robust and less trenchant. Mediterranean region 
and central Europe from Great Britain eastward into China; central United 
States; exact limits of range not known. Syns.: Cynomyanax'^ Elliot, 
1905, Field Columbian Mus., Pubhc. 105, Zool. ser., v. 6, 425, mt. nigripes; 
Cynomyonax Coues, 1877, Fur-bearing Anim., Wash., 99, 101, 147, mt. 
nigripes Aud. & Bach.; Faetorius Trouess., 1899c, Cat. Mamm., v. 2,. 
1394 (index); Foetorius Keyserling & Blasius, 1840, Wirbelthiere Europ.^ 
68; Pictorius"^ Gray, 1869, Cat. Carn. Pachyderm., Edent. Mamm. Brit. 
Mus., 145. 
«sSyns.: Ardogaleo Kaup, 1829, Entw.-Gesch. Naturl. Syst. Europ. Thierwelt, v. 1, 189, tsd. (1897)' 
1st sp. erminea; 
Eumustela Acloque, 1900, Faune France, Paris, 62, contains vulgaris Brisson and herminea Linn.;. 
Ga^e 0 Wagner, 1841, Schreber's Saugth., Suppl., Abth. 2, 234; 
Ictisi" Kaup, 1829, Entw.-Gesch. Naturl. Syst. Europ. Thierwelt, v. 1, 189, mt. Mustela i 
vulgaris Erxl., 1777, so. (tsd. 1901; 1912) nivalis Linn, [not #428 Ictis Schinz, 1824, viverridae]; 
Mustelina Bogdanow, 1871, Trudy Obshch. Estestvois. Kazansk. Univ., v. 1, Mem. 1, 167" 
[nv]; 
Neogale » Gray, 1865, Proc. Zool. Soc. London, no. 8, 114. 
