Nachdrvck verboten. 



Ueher setzungsrecht vorbehalten. 



Ein erstes authentisches Exemplar eines echten Wiesels 



aus Brasilien. 



Von 



Dr. Emil A. Ooeldi, 



Director des Museums in Parä. 



Hierzu Tafel 21. 



Der verdiente nordamerikanische Säugethierforscher C. Hart 

 Merriam schreibt in seiner werthvollen Abhandlung: „Synopsis of 

 the Weasels of North-America" (in: North American Fauna, No. 11, 

 Washington 1896) p. 27 : „In 1813 a Russian naturalist, Sewasti- 

 NOFF, gave the name ,.^Mustela hrasiUensis''^ to a weasel brought to 

 St. Petersburg by Capt. A. J. Krusenstern on his return from a 

 voyage around the world. The animal was said to have come from 

 Brazil, but no difinite locality was given. In the numerous publi- 

 cations that have since appeared relating to the mammals of Brazil 

 and adjacent territory, no weasels are raentioned as inhabiting that 

 country and the species described from the mountains to the west- 

 ward differ so widely from Sewastianoff's brasiUensis, that it is al- 

 most certain his animal did not come from Brazil. The original de- 

 scription (including measurements) agrees in every respect with 

 Putorius frenatus of Lichtenstein from the Valley of Mexico, indi- 

 cating that the two animals are identical." 



In der That erwähnt die zoologische Litteratur keinen einzigen 

 Fall von in Brasilien aufgefundenen Wieseln. Weder Natterer, noch 

 Burmeister, noch der Prinz zu Wied, noch irgend einer der spätem 

 Forscher weiss davon zu berichten, und so ist es denn begreiflich, dass 

 ich selbst in meinem kleinen Werkchen : „Mammiferos do Brazil" die 

 Existenz eines brasilianischen Wiesels ignorirte. Kein Museum der 



