a Role of neurosecretion in the regeneration and in the differentiation and ripening of the 



genital apparatus. Dugesia lugubris, Polycelis nigra (Turbellaria), Pasciola hepatica 



(Trematoda) 

 b Descriptive and experimental study of development and sex differentiation of genital 



apparatus. Sepia officinalis (Cephalopoda) 

 GRAU. C. R. Ph.D., Prof. — Dept. of Poultry Husbandry, Univ. of Cahfornia, DAVIS, 



Calif. 95616, U.S.A. 

 GRAY, D. J. Ph.D. — Dept. of Anat., School of Med., Stanford Univ., STANFORD, Calif. 



94305. U.S.A. 

 a Prenatal development of bone. Homo sapiens (Primates) 

 GRAY. Miss F. H. Ph.D. — Dept. of Physiol.. Univ. of Miami. P.O. Box 875, Biscayne 



Annex, MIAMI. Fla. 33152. U.S.A. 

 a Hormonal control of metachemogenesis; post-emergence maturation of insects. Apis melli- 



/era (Hymenoptera), Musca domestica (Diptera) 

 GREEN. Ch. R. Ph.D. — Dept. of Pathol., Univ. of Melbourne. PARKVILLE, Vict. 3052, 



Australia 



(no embryological work in progress) 

 GREEN. Mrs. M. C. Ph.D. — The Jackson Lab., BAR HARBOR. Me. 04609. U.S.A. 

 a Developmental genetics. Mas musculus (Rodentia) 

 GREENFIELD, Miss M. L. B.Sc. — Dept. of Zool., Univ. of Dar-Es-Salaam, DAR-ES- 



SALAAM, Tanzania 

 GREENGARD, O. Ph.D. — Dept. of Biol. Chem., Cane. Research Inst.. New England 



Deaconess Hosp., 185 Pilgrim Rd.. BOSTON, Mass. 02215, U.S.A. 

 a Prenatal and early postnatal development of specific enzymes. Rattus nocvegicus (Rodentia) 

 GREENWOOD, M. S. M.Sc. M.F.S. — Dept. of Biol., Middlebury Coll., MIDDLEBURY, 



Vermont, U.S.A. 

 a Studies on the origin and physiology of roots regenerated by hypocotyl slices from dor- 

 mant, mature embryos. Pinus lambertiana (Gymnospermae) 

 GREGG. J. H. Ph.D., Prof. — Dept. of Zool., Univ. of Florida, GAINESVILLE, Fla. 32601, 



U.S.A. 

 a Developmental physiology. (Acrasiales) 



GREGG. J. R. Ph.D., Prof. — Dept. of Zool.. Duke Univ., DURHAM, N.C. 27706. U.S.A. • 

 a Metabolism of normal animals and hybrids. Rana pipiens, R. pipiens 9 x R. sylvatica 6 



(Anura) 

 h Metabolism of normal and hybrid tissue-breis. Rana pipiens. R. pipiens 9 x R. sylvatica 6 



(Anura) 

 GRELL, K. G. Dr.rer.nat., Prof. — Zool. Inst, der Univ., Holderlinstr. 12. 74 TUBINGEN. 



W.Germany 

 GREMIGNI, V. Dr.Biol.Sci. — 1st. di Zool. e Anat. Comp. dell'Univ., Via A. Volta 4, 



PISA, Italy 

 a Cytochemistry and electron microscopy of oogenesis. (Tricladidea, Turbellaria) 

 GRIFFOND (ROGNON), Mrs. B. Lic.es Sci. — Lab. de Zool., Inst, des Sci. Nat., Fac. 



des Sci., Place Marechal Leclerc, 25 BESANQON, France 

 a Determinisme de la sexualite. Paludina vivipaca (Pcosobranchia. Gastropoda) (en col- 

 laboration avec L. GOMOT) 

 GRILLO. H. C. M.D., Prof. — Dept. of Surgery. Massachusetts Gen. Hosp., BOSTON, 



Mass. 02114, U.S.A. 

 a Biological characteristics and function of native tissue collagenases in wounds; partial 



purification and characterization. (Mammalia) 

 GRILLO, T. A. I. Prof. — Dept. of Anat., Univ. of Ibadan, IBADAN, Nigeria • 



GROBSTEIN, C. Ph.D. — Dept. of Biol., Univ. of California, San Diego, P.O. Box 109, 



LA JOLLA, Calif. 92037, U.S.A. • 



a Epithelio-mesenchymal relationships in pancreatic differentiation 

 b The nature and behavior of interface materials in inductive systems 

 GRODZWSKI, Z. D.Sc, Prof. (Emer.) — Dept. of Comp. Anat., Jagellonian Univ., ul. 



Krupnicza 50, KRAK6W, Poland • 



a Studies on yolk from the ripe egg; influence of hypo- and hypertonic NaCl solutions; 



supravital basic and acidic dyes; electron microscopy; structure of yolk platelets. Myxine 



spec. ( Agnatha) , Amia spec, Lepisosteus spec. (Holostei) 

 GROENENDIJK (HUYBERS), Mrs. M. M. M.D., D.Sc. — Anat.-Embryol. Lab., State 



Univ. of Utrecht, Janskerkhof 3A, UTRECHT, Netherlands 

 GROS, D. M.es Physiol. — Lab. de Physiol. Anim., Fac. des Sci., Univ. de Poitiers, 40 Av. 



de Recteur Pineau, 86 POITIERS, France 

 a Electrophysiological study of embryonic heart in relation with electron microscopy. Rattus 



noTvegicus (Rodentia) 

 GROSCH, D. S. Ph.D. — Dept. of Genet., North Carolina State Univ., 353 Gardner Hall, 



RALEIGH, N.C. 27607, U.S.A. 



69 



