O. G. Dely szerk.: Vertebrata Hungarica 21. (Budapest, 1982)

Daravskii, I. S. ; Kupriyanova, L. A.: Rare males in parthenogenetic lizard Lacerta armeniaca Méhely 69-76. o.

LOWE, C., WRIGHT, J., COLE, C. & BEZY, R. (1970): Natural hybridization between the teiid lizards Cnemidophorus sonorae (parthenogenetic) and Cnemidophorus tigris (bisexual). - Syst. Zool., 19: 114-127. MACGREGOR , H. & UZZELL, T. (1964): Gynogenesis in Salamanders related to Ambystoma jeffersonianum. - Science, N.Y., (3610): 1043-1045. MITTWOCH, U. (1975): Chromosomes and sex differentiation. Inter sexuality. - Anim.Kingdom: 438-446. MITTWOCH, U. (1979): Sex determination and the H-Y antigen. - Br.

med.J., 616

9: 1016. NEAVES, W.B. (1971): Tetraploidy in a hybrid lizard of the genus Cnemidophorus (Teiidae). Breviora, 38

1: 1-15. PIEAU, C. (1975): Effets des variations thermiques sur la differentiation du sexe chez les vertébrés. - Bull.Soc.zool.Fr., 10

0: 67-76. PIJNACKER, L.P. & FERWERDA, M.A. (1980): Sex chromosomes and origin of males and sex mosaics of the parthenogenetic stick insect Carausius morosus Br. - Chromosoma, 7

9: 105-114. PIO, K. (1973): The development of gonad of embryos of two species of turtles Emys orbicularis and Testudo graeca in different temperature. - Ontogenese, 4: 15-21. ROSENFELD, R.G., LUZZATTI, L., HINTZ, R.L., MILLER, O., KOO, G. & WACHTEL, S. (1979): Sexual and somatic determinants of the human Y chromosome: studies in a 46 XYpphenotypic female. - Am.J.hum.Genet., 31; 458-468. SIMPSON, J.L. (1979): Mise au point sur les anomalies de la différenciation sexuelle. - Tempo méd., 40: 53-60. UZZELL, T. (1970): Meiotic mechanismus of naturally-occurring unisexual vertebrates. - Am. Nat., J^4: 433-445. WACHTEL, S. (1979): H-Y antigen in the mammalian female. - Annls Biol.anim.Biochim.Biophys.

, 19: 1231-1237. WOLF, U. (1980): H-Y antigen and gonadal differentiation. - Clin.Genet., 17: 95. WRIGHT, J.W. (1973): Evolution of the XXY sex chromosome mechanism in the scincid lizard Scincella laterale (Say). - Chromosoma, 43: 101-108. WUNDER, P.A. (1980): Endocrinology of sex. - Moskva (In Russian). ZABORSKI, P. (1979): Sur la constance de l'expression de l'antigène H-Y chez le sexe hétérogamétique de quelques Amphibiens et sur la mise en évidence d'un dimorphisme sexuel de l'expression de cet antigène chez 1'

Amphibien Anoure Pelodytes punctatus D. - C.R.hebd. Séanc

. Acad

.Sel

., Paris, D 289: 1153-1156. Authors' address: Prof. Dr. I.

S. DAREVSKIÏ and L. A. KUPRIYANOVA Zoologicheskiï Institut AN SSSR 199164 Leningrad. V-164 SSSR