b Role des hormones dans la differentiation primaire du sexe. Gallus spec, Coturnix coturnix 



(Aves) 

 c Polyembryonie experimentale. (Salmonidae, Teleostei) (avec H. LUTZ) 

 d Action des ultra-sons sur l'embryon et sur differents organes. Gallus spec. (Aves) (avec 



H. LUTZ) 

 e Culture in vitro du blastoderme. (Aves) (avec H. LUTZ) 

 f Free-martinisme spontane. (Aves) (avec H. LUTZ) 

 g Hybridation. Anas spec. (Aves) 



h Action des pesticides sur le developpement de l'embryon. (Aves) 

 LYMAN, H. Ph.D., Prof. — Dept. of Biol. Sci., State Univ. of New York at Stony Brook, 



STONY BROOK, N.Y. 11790, U.S.A. 

 a Control mechanisms of chloroplast development and replication. Euglena gracilis (Eugleno- 



phyceae) 

 LYNE, A. G. Ph.D. — Div. of Anim. Physiol., C.S.I.R.O., Ian Clunies Ross Anim. Res. 



Lab., P.O.Box 144, PARRAMATTA, N.S.W. 2150, Australia 

 a Development of skin and hair. Trichosurus vulpecula, Perameles nasuta (Matsupialia) 

 b Structure and development of epidermis, hair follicles, and associated glands. Ovis spec. 



(Artiodactyla) 

 LYNN. W. G. Ph.D., Prof. — Biol. Dept., Grad. School of Arts and Sci., The Catholic 



Univ. of America, WASHINGTON, D.C. 20017, U.S.A. 

 a Melanogenesis and melanin turnover. Xenopus laevis, Rana sylvatica, R. pipiens (Anura) 

 b Skin development and ecdysis. Sceloporus occidentalis ( Lacertilia) , Chionactis occipitalis 



(Ophidia) 

 LYONS, Miss K. M. Ph.D. — Zool. Dept., King's Coll., Strand, LONDON W.C.2, 



England 

 LYSER (SHOUBY), Mrs. K. M. Ph.D., Prof. — Dept. of Biol. Sci., Hunter Coll., 695 Park 



Ave., Box 351, NEW YORK, N.Y. 10021, U.S.A. 

 a Differentiation of the central nervous system; electron microscopy. Gallus domesticus 



(Aves) 

 b Patterns of proliferation, and cytological and histological differentiation of the central 



nervous system in organ culture (light and electron microscopy). Gallus domesticus 



(Aves) 

 LYTLE, Ch. F. Ph.D., Prof. — Dept. of Zool., North Carolina State Univ., Box 5577, 



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

 MACARAK, E. J. M.S. — Dept. of Histol. and Embryol., School of Dental Med., Univ. of 



Pennsylvania, 40th and Spruce Sts., PHILADELPHIA, Pa. 19104, U.S.A. 

 a Causal analysis of the formation and control of the anterior-posterior axis of the 



unincubated blastoderm. Gallus domesticus (Aves) 

 McCAFFERTY, R. E. Ph.D., Prof. — Dept. of Anat., Med. Center, West Virginia Univ., 



MORGANTOWN, W.Va. 26506, U.S.A. 

 a Histochemistry and ultrastructure of the Harderian gland at pre- and postnatal stages. 



Rattus rattus (Rodentia), Sus scrofa (Artiodactyla) 

 b Histochemistry of the lacrimal gland from early development through patient demise; 



normal and abnormal. Homo sapiens (Primates) 

 McCALLION, D. J. Ph.D., Prof. — Dept. of Anat., Fac. of Med., McMaster Univ., 



HAMILTON, Ont., Canada • 



a Development of specific proteins in the central nervous system (fluorescence, electro- 

 phoresis) . Gallus domesticus (Aves) 

 b Heterogenous induction. Same species as a 

 c Teratological and embryotoxic effects of tissue antibodies. Gallus domesticus (Aves), 



Rattus norvegicus, Mus musculus (Rodentia) 

 McCLURE, T. Ph.D. — Dept. of Anat. Sci., Univ. of Oklahoma Med. Center, 801 NE 13th 



St., OKLAHOMA-City, Okla. 73104, U.S.A. 

 a Developmental variations in the central nervous system. Papio spec, Macaca mulatta 



(Primates) 

 McDEVITT, D. S. Ph.D. — . Dept. of Anim. Biol., School of Vet. Med., Univ. of Pennsyl- 

 vania, 3800 Spruce St., PHILADELPHIA, Pa. 19104, U.S.A. 

 a The soluble lens proteins (crystallins) in lens differentiation, as studied by column 



chromatography, electrophoresis, and immunofluorescence. Rana pipiens (Anura) 

 MacDONALD, Mrs. E. L. Ph.D. — Dept. of Biol., Wilson Coll., CHAMBERSBURG, Pa. 



17201, U.S.A. 

 a Histology of eye, heart, and somite region, stages 21-46, photomicrography. Xenopus laevis 



(Anura) . 



b Cytological differences, especially number and location of mitochondria, associated with 



developmental potentialities of intestinal epithelium cells (light and electron microscopy). 



Rana pipiens (stage 25), Xenopus laevis (stage 46) (Anura) 

 McGARRY, M. P. Ph.D. — Div. of Viral Oncol., Roswell Park Mem. Inst.. 666 Elm bt, 



BUFFALO, N.Y. 14203, U.S.A. 

 a Humoral control of eosinophil granulocyte regeneration and proliferation in vivo and 



113 



