HOAR All, F. Dr.spec. — Lab. de Morphogenet. Anim., Centre Saint Charles, Univ. de 



Provence, Place Victor Hugo, 13 MARSEILLE 3e, France 

 a Analyse des territoires de regeneration. Helleria brevicornis (Isopoda, Crustacea) 

 HOBBS, M. J. Ph.D. _ Dept. of Anat. and Embryol., Univ. Coll. London Gower St 



LONDON WC IE 6BT, England ' 



a Differentiation in colonial forms. Pleodorina spp. (Volvocales, Chlorophyceae) 

 HODGETTS, R. B. Ph.D. — Dept. of Genet., Univ. of Alberta, EDMONTON 7, Alta., 



Canada 

 a Cytology and histochemistry of oogenesis in females bearing sex-limited mutant genes 



which affect normal egg production. Drosophila melanogaster (Dipteca) 

 b The role of cytoplasmic differentiation in the determination of the early cleavage nuclei. 



Drosophila melanogaster (Diptera) 

 c Correlation between puffing patterns and specific enzyme induction in the epidermal cells. 



Sarcophaga bullata (Diptera) 

 HOFMAN, Miss Lj. D.Sc. — Inst, of Biol., Univ. of Zagreb, Salata 3, 41001 ZAGREB, 



Yugoslavia 

 a Regulation of compensatory growth. Rattus norvegicus (Rodentia) 

 HOFMANN, D. K. Dr.rer.nat. — Inst, fur Entw. physiol., Univ. zu Koln, Gyrhofstr. 17. 5 



KOLN 41, W.Germany 

 a Experimental studies on the endocrine control of caudal regeneration. Platynereis dumerilii 



(Polychaeta) 

 b Neurosecretory phenomena in the central nervous system of specimens of different sexual 



development stage. Eunice viridis (Polychaeta) 

 c General and experimental investigations on reproduction and development. Eunice 



siciliensis (Polychaeta) 

 HOGLUND, L. R. Fil. kand. — Dept. of Zoophysiol., Univ. of Umea, S 901 87 UMEA, 



Sweden 

 a Polysaccharide metabolism, especially glycoproteins and mucopolysaccharides. Rana spp. 



(Anuva) 

 HOHL, H. R. Dr.sc.nat., Prof. — Cytol. Lab., Inst, of Gen. Bot, Univ. of Zurich, Birchstr. 



95, 8050 ZURICH, Switzerland 

 a Submicroscopic morphogenesis. Dictyostelium discoideum and other spp. (Acrasiales), 



Phytophthora parasitica and other spp. (Phycomycetes) 

 HOLAK, H. Dept. of Gen. Biol., Silesian Acad, of Med., K.Marksa 19, Rokitnica, ZABRZE 



8, Poland 

 HOLLAND, J. J. Ph.D., Prof. — Dept. of Biol., Univ. of California, San Diego, P.O.Box 109, 



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

 a Action of viruses on development. (Mammalia) 

 b Translational factors in cellular differentiation. (Mammalia) 

 HOLLINSHEAD, Mrs. M. B. Ph.D., Prof. — Dept. of Anat, Coll. of Med. and Dent., 100 



Bergen St., NEWARK, N.J. 07103, U.S.A. 

 a Embryology of grey lethals showing osteopetrosis and eruption failure of molars (light and 



electron microscopy) . Mus musculus (Rodentia) 

 b Embryonic development of skeletal muscle (electron microscopy) . Homo sapiens (Primates) 

 HOLLYFIELD, J. G. Ph.D. — Dept. of Ophthalmol.. Coll. of Phys. and Surg., Columbia 



Univ., 630W. 168th St., NEW YORK, N.Y. 10032, U.S.A. 

 a Retinal changes at metamorphosis. Rana pipiens, Xenopus laevis (Anura) 

 b Growth of the visual system. Xenopus laevis (Anura) 

 c Retinal differentiation and histogenesis. Fundulus heteroclitus (Teleostei) 

 HOLM, K. A. Fil.Dr. — Zool. Inst., Univ. of Uppsala, Box 561, S-75122 UPPSALA 1, 



Sweden 

 a Experimental investigation of the embryo (determination, prospective significance of 



embryonic areas). (Araneae, Arachnoidea) 

 HOLMBAKKEN, N. -^ Anat. Inst., Univ. of Bergen, Arstadvollen 19, 5000 BERGEN, 



Norway 

 a Odontogenesis. Gadus callarias, Esox lucius (Teleostei) 



HOLOWINSKY, A. W. Ph.D., Prof. — Div. of Biol, and Med. Sci., Brown Univ., PRO- 

 VIDENCE, R.I. 02912, U.S.A. 

 a Early events in light induced chloroplast development: membrane biogenesis and structural 



protein synthesis. Euglena gracilis (Euglenophyceae) 

 b Biogenesis of chloroplast membranes. Phaseolus vulgaris (Papilionaceae) 

 HOLSTEIN, A.-F. Dr.med. — Anat. Inst, der Univ. Hamburg, Martinistr. 52, 2-HAMBURG 



20, W.Germany 

 a Histologische und Elektronenmikroskopische Untersuchungen zur Entwicklung der ablei- 



tenden Samenwege. Homo sapiens (Primates) 

 b Fluoreszenzmikroskopische Untersuchungen der Spermatozoen. Oryctolagus cuniculus 



(Lagomorpha) 

 c Entwicklung des Hodens. Homo sapiens (Primates) 



79 



