Sollnitz fred eds (2 Ergebnisse)

Hardcover. Zustand: VG. Zustand des Schutzumschlags: Good-VG. 1st ed. xv+287-595+33 (indices), primate classification tables on endpapers; private ex-lib.stamp fr.endpaper + lib.donation label, impressed round private ex lib.stamp + price stamp to half-title otherwise clean, tight & unmarked. Black cloth covers clean, tight & unworn; jacket clean & unclipped v. sl.edge-rubbing/nicking but sp.ends chipped. Written mainly from experimental psychology direction but one paper on 'field studies' (inc.c.20 photos of macaques and langurs). Chapter on 'affectional systems' by the Harlows (a classic study) has num.figs & photos.…

Hardcover. Zustand: VG. Zustand des Schutzumschlags: Good-VG. 1st ed. xv+239, primate classification tables on endpapers; private ex-lib.stamp fr.endpaper + lib.donation label, impressed round private ex lib.stamp otherwise clean, tight & unmarked. Black cloth covers clean, tight & unworn; jacket clean & unclipped sl.sp.end rubbing. Includes 4 chapters, 3 on chimpanzee language/communication K.J.Hayes & C.H.Nissen on 'Higher mental functions of a home-raised chimpanzee' (Viki) inc.4 figs, B.T. & R.A. Gardner on 'Two-way communicatyion with an infant chimpanzee' using sign-language (Washoe), inc. 2 photos, and D. Premack 'On assessment of language competence in the chimpanzee' (Sarah), inc. 4 photos of apparatus.…