Stimulus enhancement and spread of a spontaneous tool use in a colony of long-tailed macaques Klaus ZuberbühlerLorenz GygaxHans Kummer OriginalPaper Pages: 1 - 12
Scent-marking in ring-tailed lemurs: Responses to the introduction of “foreign” scent in the home range Neil F. RamsayPaul S. Giller OriginalPaper Pages: 13 - 23
Recognition of facial expressions in a Japanese monkey (Macaca fuscata) and humans (Homo sapiens) So Kanazawa OriginalPaper Pages: 25 - 38
What chimpanzees (Pan troglodytes) learn in a cooperative task Raphael ChalmeauAlain Gallo OriginalPaper Pages: 39 - 47
Morphological changes of the ovary and hormonal changes through the ovarian cycle of the common marmoset (Callithrix jacchus) Ryuzo ToriiDavid H. AbbottHideo Nigi OriginalPaper Pages: 49 - 56
Genetic polymorphism of alpha-1-antitrypsin correlates with a classification of African green monkeys Elena Samilchuk OriginalPaper Pages: 57 - 63
Taxonomy of theAlouatta seniculus group: Biochemical and chromosome data Iracilda SampaioMaria Paula Cruz SchneiderHoracio Schneider OriginalPaper Pages: 65 - 73
Birth-related behaviors in wild proboscis monkeys (Nasalis larvatus) Andrea B. Gorzitze Short Communication Pages: 75 - 78
Anticipation of conflict by chimpanzees N. F. KoyamaR. I. M. Dunbar Short Communication Pages: 79 - 86
Seed predation ofCariniana estrellensis (Lecythidaceae) by black howler monkeys,Alouatta caraya Ary T. Oliveira-FilhoMauro Galetti Short Communication Pages: 87 - 90
Taste preference thresholds for food-associated sugars in the squirrel monkey (Saimiri sciureus) Matthias Laska Short Communication Pages: 91 - 95
A multi-task assessment of hand lateralization in capuchin monkeys (Cebus apella) J. R. AndersonC. DegiorgioJ. Fagot Short Communication Pages: 97 - 103
In vitro testing of the biological activity ofRubia cordifolia leaves on primateStrongyloides species Ellen J. MessnerR. W. Wrangham Short Communication Pages: 105 - 108
Behavioral and hormonal aspects of reproduction in captive goeldi’s monkeys (Callimico goeldii) in a comparative and evolutionary context Mike H. Jurke Review Pages: 109 - 119