Search results for: 'nonrigorous foraging by robbing egrets'

WERNER, Y.L. Lizards and Snakes from Transjordan, recently acquired by the British Museum (Natural History) Incl. Tax., + Shipping

ZWEIFEL, R.G. The provenance of reptiles and amphibians collected in western Mexico by J. J. Major Incl. Tax., + Shipping

BUSACK, S.D. Biogeographic Analysis of the Herpetofauna separated by the Formation of the Strait of Gibraltar Incl. Tax., + Shipping

TAKADA, M. Differentiation of Frog Skin Active Na+ Transport during Metamorphosis Is Induced by Thyroid Hormone Incl. Tax., + Shipping

THURMOND, W. Onset of Chromatophore-Stimulating Activity by the Hypothalamus and Adenohypophysis in Hyla regilla and Ambystoma tigrinum Incl. Tax., + Shipping

BALLS, M., RUBEN, L.N. The Induction of Lymphosarcoma in Xenopus laevis by Cancerous and Normal Tissues of Rana pipiens Incl. Tax., + Shipping

RICHARDS, C.M. The Alteration of Chromatophore Expression by Sex Hormones in the Kenyan Reed Frog, Hyperolius viridiflavus Incl. Tax., + Shipping

REDSHAW, M.R., NICHOLLS, T.J. Oestrogen Biosynthesis by Ovarian Tissue of the South African Clawed Toad, Xenopus laevis Daudin Incl. Tax., + Shipping

RICHMOND, M.J., POLLACK, E.D. Regulation of Tadpole Spinal Nerve Fiber Growth by the Regenerating Limb Blastema in Tissue Culture Incl. Tax., + Shipping

STRITTMATTER, C.F. Protein Synthesis in Frog Embryos and Frog Liver Preparations, and its Inhibition by Embryo Components Incl. Tax., + Shipping

YOSHIZAKI, N. Induction of the Frog Hatching Gland Cell from Explanted Presumptive Ectodermal Tissue by LiCl Incl. Tax., + Shipping

POOLE, T.J., STEINBERG, M.S. Evidence for the Guidance of Pronephric Duct Migration by a Craniocaudally Traveling Adhesion Gradient Incl. Tax., + Shipping

SUGIMOTO, K., ICHIKAWA, Y., NAKAMURA, I. Absorption of Protein Molecules by the Small Intestine of the Bullfrog Tadpole, Rana catesbeiana Incl. Tax., + Shipping

ASAKAWA, Y., KOBAYASHI, T., IWASAWA, H. Immunohistochemical Detection of the Proliferative Activity of Spermatogonia in Xenopus laevis by Application of Bromodeoxyuridine Incl. Tax., + Shipping

GRUNZ, H., TACKE, L. The Inducing Capacity of the Presumptive Endoderm of Xenopus laevis Studied by Transfilter Experiments Incl. Tax., + Shipping

MORIYA, N., UCHIYAMA, H., ASASHIMA, M. Induction of Pronephric Tubules by Activin and Retinoic Acid in Presumptive Ectoderm of Xenopus laevis Incl. Tax., + Shipping

RIDLEY, A. Secretion in the Brain of Rana catesbeiana and its Modification by Osmotic Stress and Hypophysectomy Incl. Tax., + Shipping

CAPRANICA, R.R. The Evoked Vocal Responce of the Bullfrog - A study of communication by sound Incl. Tax., + Shipping

COCHRAN, D.M. The Herpetological Collections made by Dr. Hugh M. Smith in Siam from 1923 to 1929 Incl. Tax., + Shipping

PIANKA, G., PIANKA, E.R., THOMPSON, G.G. Egg laying by thorny devils (Moloch horridus) under natural conditions in the Great Victoria Desert Incl. Tax., + Shipping

KASHIWAGA, A. Phylogenetic Relationships of the Rana esculenta Group Clarified by Electrophoretic Analyses of Serum Transferrins Incl. Tax., + Shipping

COOPER, W.E.jr., BURGHARDT, G.M. A Comparative Analysis of Scoring Methods for Chemical Discrimination of Prey by squamate Reptiles Incl. Tax., + Shipping

FRENCH ANGAS, G. Description of seven new Species of Land-Shells recently collected in Costa Rica by Mr. Adolphe Boucard Incl. Tax., + Shipping

TASHIRO, K. et al. Determination of the Rate of rRNA Synthesis in Xenopus laevis Triploid Embryos Produced by Low-Temperature Treatment Incl. Tax., + Shipping