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WEBB, R.G. A Review of the Garter Snake Thamnophis elegans in Mexico Incl. Tax., + Shipping

WITSCHI, E. Testis Grafting in Tadpoles of Rana temporaria L., and its Bearing on the Hormone Theory of Sex Determination Incl. Tax., + Shipping

WOLFF, E. General Introduction. General Factors of Embryonic Differentiation Incl. Tax., + Shipping

ZACCANTI, F., TOGNATO, G., TOMMASINI, S. Proposta di un metodo di valutazione del grado di differenziamento sessuale dei corpi genitali in corso di sviluppo di Anfibi Anuri Incl. Tax., + Shipping

ZANGERL, R. Contributions to the Osteology of the Post-Cranial Skeleton of the Amphisbaenidae Incl. Tax., + Shipping

MEYER, M., GUNDERJAHN, R., FRÖHLICH, J. Über Kugelzellen und die Struktur der larvalen Epidermis von Froschlurchen. I. Ascaphus truei Stejneger Incl. Tax., + Shipping

BALDAUF, R.J., TANZER, E.C. Contributions to the Cranial Morphology of the Leptodactylid Frog, Syrrhophus marnocki Cope Incl. Tax., + Shipping

BALINSKY, J.B. Changes in the Ultrastructure of Amphibian Eggs Following Fertilization Incl. Tax., + Shipping

BENBASSAT, J. Erythroid Cell Development during Natural Amphibian Metamorphosis Incl. Tax., + Shipping

BRATTSTROM, B.H. Thermal Acclimation in Anuran Amphibians as a Function of Latitude and Altitude Incl. Tax., + Shipping

BRIGGS, R., KING, T.J., BERARDINO, M.A. Development of Nuclear-Transplant Embryos of Known Chromosome Complement Following Parabiosis with Normal Embryos Incl. Tax., + Shipping

GÜNTHER, R. Zum natürlichen Vorkommen und zur Morphologie triploider Teichfrösche,""Rana esculenta"" , L., in der DDR Incl. Tax., + Shipping

MANGIA, F., PROCICCHIANI, G., MANELLI, H. On the Development of the Blood Island in Xenopus laevis Embryos - Light and Electron Microscope Study Incl. Tax., + Shipping

MARINI, M. La rigenerazione del tessuto nervoso nella coda di Anfibi urodeli adulti Incl. Tax., + Shipping

PERCY, R. The Post-Notochordal Tail in Dipnoi and Urodela Incl. Tax., + Shipping

ROGERS, D.C. A Histological and Histochemical Study of the Carotid Labyrinth in the Anuran Amphibians, Bufo marinus, Hyla aurea and Neobatrachus pictus Incl. Tax., + Shipping

WRIGHT, M.L. et al. Modulation of Cell Cycle Phases by Various Circadian and Noncircadian Light/Dark Schedules and Evidence Implicating Melatonin Incl. Tax., + Shipping

YVROUD, M. Localisation et développement du territoire nasolacrymal présomptif chez l'embryon et la jeune larve de Discoglossus pictus Otth Incl. Tax., + Shipping

BACCAGLINI, P.I., SPITZER, N.C. Developmental Changes in the Inward Current of the Action Potential of Rohon-Beard Neurones Incl. Tax., + Shipping

BERARDINO, M.A. DI, HOFFNER, N. Origin of Chromosomal Abnormalities in Nuclear Transplants - A Reevaluation of Nuclear Differentiation and Nuclear Equivalence in Amphibians Incl. Tax., + Shipping

BÉRCZY, J. Zur Ultrastruktur der Extremitätenknospe Incl. Tax., + Shipping

BERGMANN, M., GREVEN, H., SCHINDELMEISER, J. The Fine Structure of the Testis Wall in Salamandra salamandra (L.) Incl. Tax., + Shipping

BLUEMINK, J.G. The First Cleavage of the Amphibian Egg - An Electron Microscope Study of the Onset of Cytokinesis in the Egg of Ambystoma mexicanum Incl. Tax., + Shipping

BREE, P.J.H. van Aantekeningen over het voorkomen van amfibieèn en reptielen in Zeeland en op Goeree-Overflakkee Incl. Tax., + Shipping