Feeding strategies of Japanese monkeys against deterioration of habitat quality Naofumi Nakagawa OriginalPaper Pages: 1 - 16
How social relationships influence a monkey's choice of feeding sites in the troop of Japanese macaques (Macaca fuscata fuscata) on Koshima islet Hiroshi Ihobe OriginalPaper Pages: 17 - 25
Activity budget and diet of patas monkeys in Kala Maloue National Park, Cameroon: A preliminary report Naofumi Nakagawa OriginalPaper Pages: 27 - 34
A longitudinal investigation of gestural communication in young chimpanzees Michael TomaselloDeborah GustG. Thomas Frost OriginalPaper Pages: 35 - 50
Observations on the illness and consumption of a possibly medicinal plantVernonia amygdalina (Del.), by a wild chimpanzee in the Mahale Mountains National Park, Tanzania Michael A. HuffmanMohamedi Seifu OriginalPaper Pages: 51 - 63
New observations on the tool-behavior of chimpanzees from Mt. Assirik (Senegal, West Africa) M. BermejoG. IlleraJ. Sabater-Pí OriginalPaper Pages: 65 - 73
Immobilization with a single dose of ketamine hydrochloride and a combination of xylazine hydrochloride-ketamine hydrochloride and antagonism by yohimbine hydrochloride in the Japanese monkey (Macaca fuscata) Shin-ichi HayamaFumio TerazawaHaruhisa Inagaki OriginalPaper Pages: 75 - 79
Karyotypic study of titi monkeys,Callicebus moloch brunneus Mitsuru MinezawaOtto Carlos Jordan C.C. Jaime Valdivia B. OriginalPaper Pages: 81 - 88
Gene duplication and polymorphism at the amylase loci ofMacaca fascicularis andMacaca mulatta Jürgen Tomiuk OriginalPaper Pages: 89 - 94
Hemoglobin polymorphism in macaques with reference to the evolution ofMacaca fascicularis andMacaca mulatta Jürgen Tomiuk OriginalPaper Pages: 95 - 102
Reappraisal of the taxonomic status of the cranium Stw 53 from the Plio/Pleistocene of Sterkfontein, in South Africa Walter W. Ferguson OriginalPaper Pages: 103 - 109
Responses to urinary stimuli in pigtailed (Macaca nemestrina) and stumptailed (Macaca arctoides) macaques C. DemariaJ. J. Roeder Short Communication Pages: 111 - 115
Population growth and stabilizing age structure of the tughlaqabad rhesus Iqbal Malik Short Communication Pages: 117 - 120
Predation by the grey leaf monkey (Presbytis hosei) on the contents of a Bird's nest at Mt. Kinabalu Park, Sabah Steven M. Goodman Short Communication Pages: 127 - 128
A note on the chimpanzee ecology of the Ugalla Area, Tanzania Toshisada Nishida Research Report Pages: 129 - 138
The Yunnan National Laboratory Primate Center of China (YNLPC): An outline Information Pages: 143 - 145
