Butler 19 Cas 



c. Regression (reduction) and subsequent reconstitution in Clavelina lepadi- 

 formis (Tunicata) 

 CAIRNS, J. M. Ph.D., Asst Prof. — Dept of Zool., Univ. of Texas. 

 AUSTIN 12, Texas, U.S.A. 



a. The induction of regional characteristics of feather structure. Gallus 

 domesticus (Aves) 



b. The action of genes (frizzled and silky) in the development of the 

 feather. Gallus domesticus (Aves) 



c. Study of the differentiation of the limb structure. Gallus domesticus 

 CALLAN. H. G. M.A., D.Sc, Prof. — Dept of Zool., University, ST 



ANDREWS, England. 



a. Reciprocal hybridisation of newts with a view to studying cytoplasmic 

 effects and hybrid meiosis. Triturus vulgaris, palmatus and cristatus 



b. Structure of chromosomes in newt oocytes. Triturus cristatus carnifex 

 (Amphibia) 



c. Morphological and physiological studies on germinal vesicle nucleus 

 of newt oocytes. Structure and properties of nuclear membrane, sap, etc. 

 Triturus spp., Xenopus laevis (Amphibia) 



CAMBAR, R. Dr — Fac. des Sci. de Bordeaux, 40, Rue Lamartine, TA- 

 LENCE (Gironde), France. 



a. Les facteurs de la morphogenese du mesonephros chez les Amphibiens. 



b. Developpement du systeme pronephretique chez les Amphibiens. 

 CAMPENHOUT, E. van Dr, Prof. — Inst. d'Anat., Univ. de Louvain, 38, 



Rue des Recollets, LOUVAIN, Belgique. 



a. Embryological development of the innervation of the gonads. (Birds) 



b. Regeneration of the central nervous system in the chick embryo. (Birds) 

 CARR, Miss E. B. B.Sc. — Dept of Embryol., Univ. Coll. London, Gower 



Str., LONDON W.C. 1, England, 

 a. The development of the reproductive tracts in mammals with special 

 reference to rabbit. Oryctolagus cuniculus 

 CARTER, H. B. Dr — Wool Biol. Lab., Commonwealth Sci. and Industr. 

 Res. Org., 17, Randle St, SYDNEY, N.S.W., Australia, 

 a. Morphogenesis of skin and its appendages in mammals, especially the 

 sheep. 

 CARTER, T. C. Ph.D. — Med. Res. Council, Inst, of Anim. Genet., West 

 Mains Rd, King's Buildings, EDINBURGH 9, U.K. 



a. Developmental study of the luxate (tibial hemimelia) mutant in the 

 house mouse. (Mammalia) 



b. Study of abnormal embryos induced by injecting trypan blue into preg- 

 nant mice. Mus musculus (Mammalia) (in collaboration with C. H. 

 WADDINGTON) 



CASPARI, E. Ph.D., Prof. — Dept of Biol., Wesleyan Univ., MIDDLE- 

 TOWN, Conn., U.S.A. 



a. Development of eye pigmentation in wild type, aa and wa wa Ephestia 

 kuhniella (Lepidoptera) 



b. Development of tail structure in normal, Brachyury, Kenky and Fused 

 mice. Mus musculus (Mammalia) 



CASTIGLIONI, M. C. — 1st. di Genet., Fac. di Sci., Univ. di Milano, Via 

 Celoria 10, MILANO, Italia, 

 a. Development of imaginal discs for the study of the compound eye 

 formation. Drosophila (Insecta) 



