Frey, Roland

3 publications

Frey, Roland (detail)
1991Zur Ursache des Hoden-Descensus (descensus testiculorum) bei Säugetieren: Die Galoppunfähigkeit der Testiconda. Teil II. (On the cause of the mammalian descent of testes (descensus testiculorum): Testiconda unable to perform galloping mode of locomotion. Part II.)
Zool. Jahrb., Abt. Anat. Ontog. Tiere 121(4): 277-330. Figs. 8-11.
—Describes sir. skeletal and muscular anatomy (278-283), and compares sir. testicular anatomy and locomotion with that of other mammals, on the assumption that the sir. form of testicondy is primitive for mammals.
Frey, Roland (detail)
1994aDer Zusammenhang zwischen Lokomotionsweise, Begattungsstellung und Penislänge bei Säugetieren. I. Testiconda (Mammalia mit intraabdominaler Hodenlage).
Zs. Zool. Syst. Evol.-forsch. 32(2): 137-155. 11 figs. June 1994.
—Engl. summ. Argues that venter-to-venter copulation and a relatively long penis in sirs. and cetaceans are necessitated by their relatively short and rigid lumbar region and enlarged tail (137, 152-153).
Frey, Roland (detail)
1994bDer Zusammenhang zwischen Lokomotionsweise, Begattungsstellung und Penislänge bei Säugetieren. II. Testiphaena.... [The connection between type of locomotion, mating location, and penis length in mammals: II. Testiphaena (mammals with extraabdominal testicular position).]
Zs. Zool. Syst. Evol.-forsch. 32(3): 163-179.
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