Now showing items 71-80 of 3317
Choosing category size in a stage projection matrix
(Springer-Verlag, 1978-01)
A basic problem associated with choosing category size in a stage projection matrix is described. “Errors of estimation” are large if the category size is chosen too small and “errors of distribution” are large if the ...
Abrupt Cline For Sex Chromosomes In A Hybrid Zone Between Two Species Of Mice
(Sinauer Assoc. Inc.Wiley Periodicals, Inc., 1992-08)
The rufous-browed wrens of Chiapas, Mexico
(University of Michigan Museum of Zoology, 1943)
Comparative ultrastructural study of normal and grafted skin in the frog, Rana pipiens , with special reference to neuroepithelial connections
(Springer-Verlag, 1973-06)
Recent investigations have suggested specific differences in back and belly skin in anurans which appear to influence the quality of reflex responses obtained from various areas of the animals body. The present investigation ...
The effects of feeding on heart activity in the terrestrial slug, Limax maximus : central and peripheral control
(Springer-Verlag, 1985-07)
The role of the central nervous system (CNS) in the modulation of heart activity induced by feeding was investigated in the terrestrial slug, Limax maximus . Intact slugs and semi-intact preparations were used to examine ...
Type-specimens of reptiles in the University of Michigan Museum of Zoology
(University of Michigan Museum of Zoology, 1984)
The effects of nesting stage, sex, and type of predator on parental defense by killdeer ( Charadrius vociferous ): testing models of avian parental defense
(Springer-Verlag, 1990-03)
Two models predicting the temporal patterns of parental investment in offspring defense over the nesting cycle were tested. The first is based on offspring age, the other on the vulnerability of offspring to predation. ...
The effect of brainstem transection on blood pressure in the dog
(Elsevier, 1969-03-01)
Blood pressure was compared before and after midpontine pretrigeminal brainstem transection in the dog. Statistically significant decreases in blood pressure were observed 1/2, 1, and 1-1/2 hours after brainstem transection. ...
Arrangement and terminations of nerves in the Œsophagus of mammalia
(R. FriedlÄnder & SonWiley Periodiocals, Inc., 1900-12)
No Abstract.