Colwin 23 Cs 



b. Normal and experimental development. Saccoglossus (Enteropneusta) 

 (in collaboration with A. L. COLWIN) 



c. Development of Thyone. (Holothuria) 



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



N.J., U.S.A. 

 COPENHAVER, W. M. Dr, Prof. — Coll. of Phys. and Surg., Columbia 



Univ., 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. 

 a. Development of skin and sense organs of Xenopus laevis, including 



histological study of the development of the chromatophores. (Anura, 



Amphibia) (Normal Table) 

 CORNER, G. W. D.Sc, A.B., M.D., 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 of primates. Chiefly 

 Macaca rhesus (Mammalia) 



b. Embryological study of pregnancies terminated because of genetic or 

 maternal factors threatening the fetus, e.g. rubella, mongolism. Homo 

 sapiens (Mammalia) 



c. Physiology of uterine muscle. (Mammalia) 



COSTELLO, D. P. Ph.D., Prof. — Dept of Zool., Univ. of North Carolina. 

 CHAPEL HILL, N.C., U.S.A. 



a. An investigation of the cytological and morphological effects of low 

 temperature on fertilized eggs of the annelid, Chaetopterus pergamen- 

 taceus. (in collaboration with Miss C. HENLEY) 



b. Studies on the effects of radioactive phosphorus on mitosis in epithelial 

 cells of Ambly stoma punctatum larvae. (Amphibia) (in collaboration 

 with Miss C. HENLEY) 



COTRONEI, G. Dott., Prof. — 1st. di Anat. comp. dell'Univ. di Roma, 

 Fac. di Sci.. Via Borelli 50, ROMA, Italia. 

 a. Recerche su trapianti, espianti e parabiosi tra Anfibi anuvi e utodeli 

 alio scopo di indagare i processi di regolazione, differenziazione nel 

 quadro dei problemi della costituzione biologica. (in collaboration with 

 T. PERRI and Mrs L. URBANI— MISTRUZZI) 

 COURRIER, R. Prof. — Lab. de Morphol. exper. et Endocrinol., Coll. de 

 France, Place Marcelin Berthelot, PARIS Ve, France, 

 a. Endrocrinologie de la gestation. (Mammalia) 

 CRAIG, Miss M. M. — Dept of Genet., Coll. of Agric, Univ. of Connecticut, 

 Storrs Agric. Exper. Stat., STORRS, Conn., U.S.A. 

 a. Analysis, by means of tantalum-foil blocking, of the development of the 

 tail in chick embryos. Gallus domesticus (Aves) (in collaboration with 

 E. ZWILLING) 

 CROMPTON, A. W. M.Sc. — Zool. Inst., Univ. of Stellenbosch, STEL- 

 LENBOSCH, South Africa, 

 a. Cranial ontogenesis. Spheniscus demersus (Spheniscidae, Aves) 

 CSAPO, A. M.D. — Dept of Embryol., Carnegie Inst, of Washington, 

 Wolfe and Madison Strs, BALTIMORE 5, Md, U.S.A. 

 a. Physiology of uterine muscle, including developmental physiology. Sus 

 scro[a and Lepus cuniculus (Mammalia) 



