Hubl 44 Hunt 



HUBL H. Drrer. nat. — Zool. Inst, der Univ., Naturw. Fak., Rontgen- 



ring 10, WORZBURG, Deutschland. 

 a. Einfluss des Colchicins auf die Regeneration. Lumbricus und Tubifex 



(Oligochaeta) 

 h. Untersuchungen iiber die neurosekretorischen Zellen im Gehirn und 



deren Einfluss auf die Regeneration. (Lumbricidae, Oligochaeta) 

 HUBLfi, J. Lie. Zool. — Afd. Morphol., Lab. voor Zool., Universiteitstraat 



14, GENT, Belgie. 



(no data received on Nov. I'*'. 1952) 

 HUGOSSON, R. Med. kand. — Tornblad-Inst. of comp. Embryo!., Biskops- 



gatan 7, LUND, Sweden. 

 a. Development of rhombencephalic nuclei. Mus muscu/us (Rodentia) (team 



work with S. BENGMARK and B. KaLLeN) 

 HULTIN, J. M. T. Fil.lic. — Wenner-Grens Inst, for experimental Biology, 



Norrtullsgatan 16. STOCKHOLM Va., Sweden, 

 a. Isotope studies of the metabolism during early development. (Echinoidea) 

 HUMMEL, Miss K. P. Ph.D. — Jackson Memorial Lab., Box 558, BAR 



HARBOR, Me.. U.S.A. 



(no data received on Nov. 1^', 1952) 

 HUMPHREY, R. R. F.I.I. E., A.M.. Ph.D., ProL — Dept. of Anat., School 



of Med., Univ. of Buffalo, 24 High Str., BUFFALO, N.Y.. U.S.A. 



a. Studies on spontaneous haploidy and polyploidy. Ambystoma mexicanum 

 (Urodela) (in collaboration with G. FANKHAUSER) 



b. The offspring of polyploids; their chromosome number, mortality, patho- 

 logy etc. Ambystoma mexicanum (Urodela) (in collaboration with G. 

 FANKHAUSER) 



c. Matings especially of dark 2n x white 2n to obtain haploids (white) to 

 determine whether they are androgenetic or gynogenetic. Ambystoma 

 mexicanum (Urodela) 



d. Triploid, tetraploid and other heteroploid females are mated with 2n 

 males, and the offspring studied. Ambystoma mexicanum (Urodela) 



e. Genetic factors in metamorphosis. Ambystoma mexicanum (Urodela) 



f. Modification of a lethal trait by the genotype of the mother. Ambystoma 

 mexicanum (Urodela) 



HUMPHREY. Miss T. M.D., Ph.D. — Dept of Anat., School of Med., 

 Univ. of Pittsburgh. PITTSBURGH 13. Pa. U.S.A. 



a. Further studies on the descending root fibers of the trigeminal nerve in 

 embryos during 7.5 to 8.5 weeks age period. Morphological study based 

 on serially sectioned, pyridine silver impregnated embryos. Correlation of 

 the anatomical findings on embryos with neurological observations and 

 neurosurgical procedures. Homo (Primates) 



b. Pancreatic developmental studies. Homo (Primates) 



c. Relation of anoxia to action of different types of reflex arcs and to the 

 observations on fetal behavior. A study deahng with the apphcation of 

 neurophysiological data to fetal behavior studies. (Mammalia) 



d. Diplomyeha in embryos: cases with one spinal cord located dorsal to 

 the other. Homo (Primates) 



HUNT. E. L. Ph.D., Prof. — Dept of Biol., Emory University, ATLAN- 

 TA, Ga.. U.S.A. 

 a. Studies on the distribution of certain radio-isotopes in the embryo. Gallus 

 (Aves) 



