title: A twinning event in Macaca sylvanus of Gibraltar.
abstract: Linear measurements and body proportions for a set of free-ranging Macaca sylvanus twins are presented. Their measurements are compared to a full-term perinatal dead female. The twins are dizygous and probably 28 days premature.
mesh_terms: D000818:Animals; D004431:Ear, External / Q000033:anatomy & histology; D005260:Female; D005385:Fingers / Q000033:anatomy & histology; D006197:Hair / Q000033:anatomy & histology; D000882:Haplorhini; D008251:Macaca / Q000033:anatomy & histology*; D011247:Pregnancy; D012880:Skin Pigmentation; D013623:Tail / Q000033:anatomy & histology; D014427:Twins