Now showing items 1-10 of 12
Patterns of tooth size variability in the dentition of primates
(Wiley Subscription Services, Inc., A Wiley Company, 1979-09)
Published data on tooth size in 48 species of non-human primates have been analyzed to determine patterns of variability in the primate dentition. Average coefficients of variation calculated for all species, with males ...
The primary vascular system of Callixylon
(Elsevier, 1979-08)
The primary vascular system of Callixylon (main stem axes of Archaeopteris) is composed of a discontinous cylinder of longitudinal bundles from some of which traces diverge radially in a regular, helical pattern. Tangential ...
Homologies of the anterior teeth in indriidae
(Wiley Subscription Services, Inc., A Wiley Company, 1979-08)
Schwartz ('74) proposed revised homologies of the deciduous and permanent anterior teeth in living lemuriform primates of the family Indriidae. Gingerich ('77) described a juvenile specimen of Avahi and emphasized the ...
How to determine the compatibility of undirected character state trees
(Elsevier, 1979-10)
Methods for cladistic character compatibility analysis have required a priori estimates of the direction of evolutionary trends among the states of a character, in order to ensure consistency. Results are presented here ...
The human mandible: Lever, link, or both?
(Wiley Subscription Services, Inc., A Wiley Company, 1979-07)
Hylander ('78) recently published important new data on bite force in humans, and showed that the human mandible cannot function purely as a link during incisal biting. He concluded instead that the mandible acts as a ...
Reconnaissance Survey and Vertebrate Paleontology of Some Paleocene and Eocene Formations in Pakistan
(Museum of Paleontology, The University of Michigan, 1979)