HUMWSKI, S. Dr. — Chair of Zool., Coll. of Agricult., Cybulskiego 20. WROCtAW, 



Poland 

 a Influence of food, light, temperature and hormones on the male sexual apparatus during the 



resting period. Microfus arvalis, M. agtestis (Microtidae, Rodentia). Apodemus agrarius, 



A. flavicollis, Mus musculus (Muridae, Rodentia) 

 HUMPHREY, R. R. Ph.D., Prof.(Emer.) — Dept. of Zool. Indiana Univ., BLOOMING- 

 TON. Ind.. U.S.A. 

 • HUMPHREY, Miss T. M.D., Ph.D., Prof. — Dept. of Anat., Univ. of Alabama Med. 



Center, 1919 Seventh Ave. South, BIRMINGHAM, Ala. 35233, U.S.A. 

 HUMPHREYS, T. D. Ph.D. — Dept. of Biol., Univ. of Cahfornia, San Diego, P.O. Box 109, 



LA JOLLA, Calif. 92037, U.S.A. 

 a RNA and protein synthesis in embryos. Arbacia punctulata, Strong ylocentrof us purpuratus 



(Echinoidea) 

 b RNA synthesis in collagen producing cell lines (fibroblasts). Mus musculus (Rodentia) 

 c Characterization of aggregation factor. Mictociona proUfera. Haliclona acculata (Porifera) 

 d Isolation of aggregation substances. Arbacia punctulata (Echinoidea) 

 HUMPHREYS, W. J. Ph.D., Prof. — Dept. of Biochem. and Biophysics, Iowa State Univ., 



AMES, Iowa 50010, U.S.A. 

 a Ultrastructure of blastomeres in mosaic eggs. Mytilus edulis (Lamellibtanchia) 

 b Dessiccated cytoplasm of viable, encysted embryos is studied by transmission electron 



microscopy of thin sections, replicas of frozen-fractured preparations, and by scanning 



electron microscopy. Artemia salina (Anostraca) 

 c Macromolecular structures in extracellular coats of unfertilized and fertilized eggs are 



compared by electron microscopy of replicas of frozen-etched preparations. Strongylocen- 



trotus purpuratus (Echinoidea) 

 HUMPHRIES, A. A., Jr. Ph.D., Prof. — Dept. of Biol., Emory Univ., ATLANTA, Ga. 



30322, U.S.A. 

 a Oviduct-oocyte relationships. (Amphibia) 

 h Chemistry and physiology of egg jelly. (Amphibia) 

 c Ultrastructure of oocytes. (Amphibia) 

 d Fertilization. (Amphibia) 



HUMMEL, Miss K. P. Ph.D. — The Jackson Lab., BAR HARBOR. Me. 04609, U.S.A. 

 a Developmental anatomy and genetics. Mus musculus (Rodentia) 



HUNT. Miss D. M. B.A. — Worcester Found, for Exp. Biol.. 222 Maple Ave., SHREWS- 

 BURY, Mass. 01545, U.S.A. 

 a Fertilization in vivo and in vitro, gonadogenesis, and irradiational effects on 



early embryonic stages (morphology and physiology). Oryctolagus cuniculus, Lepus 



americanus, Sylvilagus transitionalis (Lagomorpha). Cavia porcellus, Mus musculus, 



Rattus rattus, Mustela furio, Mesocricetus auratus (Rodentia) 

 HUNT, E. L. Ph.D., Prof. — Dept. of Biol.. Emory Univ., ATLANTA, Ga. 30322, U.S.A. 

 a Studies on the estrus cycle and gestation in alloxan-diabetic animals. Rattus noruegicus 



(Rodentia) 

 h Developmental pathology of the endocrine pancreas. Gallus domesticus (Aves) 

 HUREAU, J. Prof. — Lab. d'Anat., Fac. de Med., 45 Rue des Sts.Peres. PARIS Vie. 



France 

 a Developpement du rein. Homo sapiens (Primates) 

 HUSON. A. M.D. — Anat.-Embryol. Lab.. Fac. of Med.. State Univ. of Leiden. Boerhaave- 



kwartier. Wassenaarseweg 62, LEIDEN, Netherlands 

 a Development of vertebral column. Homo sapiens (Primates) 

 HUVER C. W. Ph.D.. Prof. — Dept. of Zool.. Coll. of Biol. Scis.. Univ. of Minnesota. 



MINNEAPOLIS. Minn. 55455. U.S.A. 

 a Cytology of fertilization. Fundulus heteroclitus (Teleostei ) 

 b Mechanism of blastodisc formation; site and origin of blastodisc. (Teleostei) 

 c Sex differentiation. Anguilla bostoniensis (Teleostei) 

 d Hermaphroditism. Gasterosteus aculeatus (Teleostei) 

 e Cytochemistry of spermatogenesis. Fundulus diapharus (Teleostei) 

 f Growth. Perca flavescens (Teleostei) 



g Chromosome numbers. Fundulus heteroclitus, F. diaphanus (Teleostei) 

 HYODO (TAGUCHI). Mrs. Y. Dr.Sc. — Div. of Biol., Nat. Inst, of Radiol. Scis. Anagawa 



4-9, CHIBA, Japan 

 a Change in radiosensitivity of germ cells during embryonic development. Oryzias latipes 



(Teleostei) 

 h Embryology of reproductive organs. Oryzias latipes (Teleostei) 

 ICHIKAWA, A. D.Sc. Prof. — Dept. of Zool.. Fac. of Sci.. Hokkaido Univ.. North 8, 



West 5, SAPPORO, Japan 

 a Development and life-history of Japanese forms. (Rhizocephala, Crustacea) 

 b Propagation and regeneration. (Turbcllaria) 

 • ICHIKAWA, M. D.Sc, Prof. — Lab. of Developm. Biol., Zool. Inst.. Fac. of Sci., Univ. 



of Kyoto, KYOTO, Japan 



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