b Placentation and changes in reproductive tract. (Cervidae) (in collabo- 

 ration with R. J. HARRISON) 



c. The development and structure of the placenta. Homo (Primates) (in 

 collaboration with }. D. BOYD, Cambridge) , r ^. ^ a 



HAMMOND W. S. Ph.D., Prof. — Dept of Anat., Scnool of Med., State 

 UnVv of'New York, 766 Irving Ave, SYRACUSE 10, N.Y., U.S^A. 



a Development of the autonomic nervous system. Gallus domesticus (Aves) 

 (in collaboration with C. L. YNTEMA) ;, , , i 



b Develooment of the visceral skeleton. Gallus domesticus (Aves) (m col- 

 laboration with C. L. YNTEMA) ,01^ 

 HAMPE A. Lie. es Sci. — Lab. de ZooL, Inst, de Zool. et de Biol. gen.. 

 Fac. des Sci., 12 Rue de I'Universite, STRASBOURG, France 



a. Etude de la regulation des ebauches des membres. Gallus gallus (Aves) 



b. La differenciation sexuelle, par les methodes de greffes, de castration, 

 d'injections d'hormones et d'explantations. Differenciation normale et 

 inversion sexuelle des gonades, des voies genitales et des caracteres soma- 

 tiques precoces. Gallus and Anas (Aves) (en collaboration avec Et. 

 WOLFF, Mrs Y. LUTZ-OSTERTAG. Mrs D. SCHEIE— PFLEGER, 

 Miss B. SALZGEBER, et G. STRUDEL) 



HANAOKA, K. I. D.Sc, Prof. — Dept of Biol., Fac. of Lib. Arts and Sci., 

 Yamagata Univ., Kinomekoji 80, YAMAGATA, Japan 

 a. Neurosecretory hormones in relation to reproductive cycle. Potamon 

 dehaani (Decapoda, Crustacea) 



HARA, K. B.Sc, M.vSc. — Biol. Inst., Fac. of Sci., Nagoya Univ., Chigusa- 

 ku, NAGOYA, Japan 

 a. Continuation of the work done in Utrecht, 1954 (analysis of induction 

 phenomena). Gallus (Aves) 



HARDER, W. Drrer.nat. — Inst, fiir Fischereibiol. der Univ. Hamburg. 

 Holstenwall 24, HAMBURG 36, Deutschland 

 a. Post-embryonale Entwicklung, insbesondere die Umwandlungen des Ver- 

 dauungsapparates wahrend der Metamorphose. Vergleichende Unter- 

 suchungen innerhalb zweier Familien. Clupea harengus, C. sprattus, C. 

 pilchardus (Clupeidae), Engraulis encrasicholus (Engraulidae, Teleostei) 



HARDY, Miss M. H. M.Sc. Ph.D. — Div. of Anim. Health and Produc- 

 tion, C.S.I.R.O., McMaster Anim. Health Lab., Parramatta Road. 

 Glebe, SYDNEY, N.S.W., Australia (Guest-worker from C.S.I.R.O.. 

 Sheep Biol. Lab.) 



a. Induction of hair follicle formation. Mus musculus, Ovis (Mammalia) 

 (in collaboration with A. G. LYNE) 



b. Pigmentation processes in skin and hair in tissue culture. Mus musculus 

 (Rodentia) 



c. Analysis of causes of pattern and density of hair follicles in skin. Ovis 

 (Artiodactyla) (in collaboration with A. G. LYNE) 



d. Effects of the gene „Tabby" on hair follicle development, i n v i v o and 

 in vitro. Mus musculus (Rodentia) 



e. Growth of skin and hair i n v i v o and i n v i t r o. Trichosmus vulpecula, 

 Perameles nasuta (Marsupialia) (in collaboration with A. G. LYNE) 



HARKMARK, W. Cand.Med. — Anat. Inst., Univ. of Oslo, OSLO, 



Norway 

 HARRIS, J. E. M.A., Ph.D.. Prof. — Dept of Zool.. The Univ.. BRISTOL 



8, England (U.K.) 



43 



