Sceloporus jarrovii

Evolutionary biologists often view sexual size dimorphism (SSD) as a fixed genetic consequence of sexually an- tagonistic… Expand

SummaryIn many vertebrates, seasonal activation of sexual and territorial behaviors coincides with seasonal gonadal activation… Expand

SummaryThe role of the parietal eye was investigated in Yarrow's spiny lizard, Sceloporus jarrovi. Three groups of lizards were… Expand

We investigated maternal-fetal hormone transfer in the mountain spiny lizard, Sceloporus jarrovi, a viviparous species with a… Expand

Hormonal manipulations with implants allow examination of the costs and benefits of behaviors and physiologic states mediated by… Expand

Female Sceloporous jarrovi in late pregnancy given an ip injection of progesterone (50 ng/g body wt) or indomethacin (4… Expand

Abstract Corpus luteum development, placentation, and embryonic development were observed in pregnant viviparous lizards… Expand

Abstract We examined the role of tongue extrusions for the detection of chemicals in the iguanid lizard Sceloporus jarrovi… Expand

Abstract Pregnant, adult female Sceloporus jarrovi were randomly partitioned into three groups. The control subjects received a… Expand

Several large new collections of early Eocene Adapidae have been made in recent years from stratified sediments in the Big Horn… Expand