Results 241 to 250 of about 2,064 (290)

The Relationships of Rana Sylvatica and the Monophyly of the Rana Boylii Group

Systematic Biology, 1981
Post, T. J. and T. Uzzell (Department of Vertebrate Biology, Academy of Natural Sciences, Philadelphia, Pennsylvania 19103) 1980. The Relationships of Rana sylvatica and the Monophyly of the Rana boylii Group. Syst. Zool., 30:170-180.-Reciprocal immunological distances were measured using antisera to the serum albumins of Rana sylvatica and ...
Thomas J. Post, Thomas Uzzell
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Hybridization Experiments Involving Rana dunni, Rana megapoda, and Rana pipiens

Copeia, 1966
BOULENGER, G. A. 1896. Descriptions of new batrachians collected by Mr. C. F. Underwood in Costa Rica. Ann. Mag. Nat. Hist., Ser. 6, 18:341-342. DUNN, E. R. 1926. The salamanders of the family Plethodontidae. Smith College 50th Anniv. Pub., Northampton, Mass. TAYLOR, E. H. 1952. The salamanders and caecilians of Costa Rica. Univ. Kans. Sci. Bull.
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Transplantation of nuclei between Rana pipiens and Rana sylvatica

Experimental Cell Research, 1958
Abstract 1. 1. New data are offered to show that the cleavage rates of of pip × pip, (pip) × pip, pip × syl, and (pip) × syl embryos are essentially the same. 2. 2. When a diploid Rana sylvatica blastula nucleus is transferred to an enucleated Rana pipiens ovum the resulting embryo develops only to a late blastula stage and then stops. 3.
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A study on hearing in frogs (Rana pipiens and Rana clamitans)

Zeitschrift f�r Vergleichende Physiologie, 1959
Die relative Reizschwellkurve fur die Schallempfindung bei den Froschen Rana clamitans und R. pipiens wurde in dem Frequenzbereich von 30–15000 Hz bestimmt. Die Kurve ist dieselbe fur beide Geschlechter. Versuche zeigten, das Schalle entweder inhibierend oder stimulierend auf die Atmungsbewegungen wirken konnen.
Herman Kleerekoper, Kira Sibabin
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Rana esculenta - Rana lessonae - Rana ridibunda - Rana perezi

1990
National ...
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RANA REKONSTRUKCIJA RATNIH RANA ŠAKE

1998
XXX
Žic, R, Montani, Đ, Ivrlač, R, Hulina, D, Đepina, I   +4 more
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?????????????????? ???? ???????????????????? ?????????????? ?????????????? (Rana ridibunda, Rana lessonae, Rana esculenta) ?? ???????????????????? ??????????????

2009
The caryotypes of green frogs from Ukraine are described. Caryotypes show certain similarity in the representatives of all taxa, the chromosome sets includes 5 pairs of large and 8 pairs of small chromosomes. Concerning the morphology of chromosomes the following formulas are charac??teristic for each species: R. ridibunda Pallas, 1771 ??? 4 metha-(m) +
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Rana italica Dubois, 1987 (Rana appenninica)

2016
Executive summary Handbooks for monitoring species and habitats of Community interest (Council Directive 92/43/EEC) in Italy: animal species The Habitats Directive requires Member States to implement surveillance of the conservation status of habitats and species of Community Interest.
GUARINO, FABIO MARIA, Sindaco, R.
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The obsolete RANA

Veterinary Record, 1986
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The roof of the hindbrain in Rana pipiens and Rana temporaria

Brain Research, 1980
G S, Dolman, G, Brocklehurst
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