Coll 22 Corn 



COLLISTER, Miss R. M. Arts — Anat.-Embryol. Lab. of the Univ. of 



Leyden, Fac. of Med., Wassenaarseweg, Boerhaavekwartier, LEIDEN, 



Holland, 

 a. Investigations on congenital heartmalformations. X-ray and anatomical 



dissection. Collateral circulations. Homo (Primates) (in collaboration 



with J. DANKMEIJER and H. A. SNELLEN) 

 COLOMBO, G. Dr Biol. Sci — 1st. di Zool. e Anat. comp. dell'Univ., Via 



Loredan 6, PADOVA, Italia. 



a. Chromosomes in early development. (Amphibia) 



b. Effects of hormones on cleavage and early development. (Amphibia) 



c. Caryometry in spermatogenesis. ( Arthropoda) 



COLWIN, A. L. Ph.D., Prof. — Dept of Biol., Queens Coll., Flushing, L.I., 

 NEW YORK, N.Y.. U.S.A. 



a. Fertihzation reaction. Saccoglossus (Enteropneusta) (in collaboration 

 with Mrs L. H. COLWIN) 



b. Normal and experimental development. Saccoglossus (Enteropneusta) 

 (in collaboration with Mrs L. H. COLWIN) 



c. Effect of certain chemicals on development. Mogula, dona and Styela 

 (Tunicata. Urochordata) 



COLWIN, Mrs L. H. Ph.D.. Prof. — Dept of Biol.. Queens Coll.. Flushing, 

 L.I., NEW YORK, N.Y., U.S.A. 



a. Fertihzation reaction. Saccoglossus (Enteropneusta) (in collaboration 

 with A. L. COLWIN) 



b. Normal and experimental development. Saccoglossus (Enteropneusta) 

 (in collaboration with A. L. COLWIN) 



c. Study of the development. Thyone (Holothuria) 



CONINCK, L. A. P. De Dr Sc, Prof. — Lab. voor Zool., Afd. Morphol., 

 Universiteitstraat 14, GENT, Belgie. 



a. Action of alkaline growth-promoting beef anterior pituitary extract on 

 regeneration of hmbs and tail, with special consideration of ribonucleic 

 acids and alkaline phosphatase. (Urodela) (in collaboration with J. M. 

 DENUCe and Fr. DIERCKS) 



b. Action of growth-inhibiting substances on: 1. development. (Nematoda), 

 2. regeneration. Planaria (Turbellaria) (in collaboration with coworkers) 



c. Post-embryonic development. Anguillula silusiae (Nematoda) 



d. Biology of reproduction. Protohydra leuckarti (Hydroidea, Hydrozoa) 

 CONKLIN, E. G. Dr, Prof. (Emer.) — Princeton Univ., PRINCETON, 



N.J., U.S.A. 

 COPENHAVER, W. M. Dr, Prof. — College of Physicians and Surgeons, 



Columbia University. 632 West 168th Str., NEW YORK City, N.Y., 



U.S.A. 



(no data received) 

 CORDIER, J. Dr, Prof. — Inst. d'Histol., Fac. de Med., 97 Rue aux Laines, 



BRUXELLES, Belgique. 



(no embryological work in progress) 

 CORNER, G. W. A.B.. M.D.. D.Sc, Prof. — Dept of Embryol.. Carnegie 



Inst, of Washington, Wolfe and Madison Strs, BALTIMORE 5, Md. 



U.S.A. 



a. Histology of uterus and ovaries in reproductive cycle. Chiefly Macacus 

 rhesus (Primates) 



b. Physiology of uterine muscle. (Mammalia) 



