PILLERI,G. - INVESTIGATIONS ON BEAVERS vol.1

Berne 1983,114 pp.,b&w photos and tables,contents Pilleri,G:Central nervous system, cranio-cerebral topography and cerebral hierarchy of the Canadian Beaver(Castor canadensis) / Pilleri,G. The occurence of extra premolar teeth in Castor canadesis / Pilleri,G. a.o. Vocalisation and behaviour in the young beaver(Castor canadesis) / Aesbacher,A. a.o. Observation on the building behaviour of the Canadian Beaver in captivity / Pilleri,G. Ingenious tool use by the canadian Beaver in captivity / Bishir,J. a.o. Beaver family organisation:its implications for colony size (code P-12) (code A-77)