a. Embryology. Sardinops ocellata, Trachurus trachurus, Etrumeus micro- 

 pus, Thyrsites atun, Merluccius capensis (Pisces) 

 JAGERSTEN, K. G. M. Fil.Dr., Prof. — Zool. Inst., Uppsala Univ., UPP- 

 SALA, Sweden 

 a. Larval development. (Pogonophora) 

 JAMES, D. W. M.B., B.S. — Dept. of Anat. and Embryol., Univ. Coll. of 

 London, Gower St., LONDON W.C. 1, England 

 a. Healing of skin wounds. Rattus spec, Cavia spec. (Rodentia) , Orycto- 

 lagus spec. (Lagomorpha) (in collaboration with M. ABERCROMBIE) 

 JANSEN, J. M.D., M.I. I.E. — Anat. Inst., Univ. of Oslo, Karl Johansgt. 47, 

 OSLO, Norway 

 a. Early development of the hypophysis. Balaenoptera physalus (Cetacea) 

 JELfNEK, R. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3, 

 PRAHA 2, Czechoslovakia 



a. Development of experimental exencephaly. Gallus domesticus (Aves) 



b. Experiments on the "overgrowth" phenomenon of the neural tube. Gallus 

 domesticus (Aves) 



JIT, I. M.B., M.S., Ph.D. — Dept. of Anat., Med. Coll., AMRITSAR, Pun- 

 jab, India 



a. Histogenesis of the gall-bladder. Homo sapiens (Primates) 



b. Level of termination of the spinal cord in the pre-natal period. Homo 

 sapiens (Primates) 



c. Development of the splanchnic nerves. Homo sapiens (Primates) 



d. Prenatal ossification of some bones. Homo sapiens (Primates) 



e. Development of the transverse folds of the rectum. Homo sapiens (Pri- 

 mates) 



JOCHEMS, D. J. — Div. of exper. Morphol., Anat. -Embryol. Inst., Municipal 



Univ. of Amsterdam, Mauritskade 61, AMSTERDAM O, Netherlands 

 JOHANSSON, A. S. Dr., Prof. — Zool. Lab., Univ. of Oslo, OSLO-Blin- 



dern, Norway 



(no embryological work in progress) 

 JOHANSSON, N. — Zool. Inst., Univ. of Gothenburg, Fjarde Langgatan 7B, 



GoTEBORG-SV, Sweden 

 a. Embryological studies. Homarus vulgaris (Crustacea) 

 JOHNELS, A. G. Phil.Dr. — Swedish Museum of Nat. Hist., Vertebrate 



Dept., STOCKHOLM 50, Sweden 



(no embryological work in progress) 

 JOHNEN, Miss A. G. Dr.phil. — Zool. Inst, der Univ. Koln, Kerpenerstr. 



13, KOLN-Lindenthal, Deutsche Bundesrepublik 



a. Die Wirkungsspezifitat abnormer Induktoren in der Entwicklung. (Am- 

 phibia) 



b. Die Bedeutung des Zeitfaktors beim Induktionsvorgang. Ambystoma 

 spec, Triturus spec. (Urodela) 



JOHNSON, D. C. B.S., M.S., Ph.D. — Dept. of Zool., State Univ. of Iowa, 



P.O. Box 585, IOWA City, Iowa, U.S.A. 

 JOHNSON, E. M. — Dept. of Anat., Coll. of Med., Univ. of Florida, 



GAINESVILLE, Florida, U.S.A. 

 JOHNSON, G. Dr. es Sci. — Lab. de Zool. et Biol, anim., Fac des Sci., 



POITIERS, Vienne, France 



a. Hermaphroditism. (Rhyscotidae, Isopoda, Crustacea) 



b. Sex determination, monogeny. (Oniscoidea) 



69 



