Kni 51 Krab 



KNIGHT— JONES. E. W. D.Phil. — Marine Biol. Stat., BANGOR, N. 

 Wales (U.K.) 

 a. Factors inducing metamorphosis in larvae of marine benthic invertebrates. 

 Spirorbis borealis (Polychaeta) and Balanus balanoides (Cirripedia) 



KNOUFF. R. A. Ph.D.. Prof. — Dept of Anat., Ohio State Univ., CO- 

 LUMBUS 10, Ohio, U.S.A. (no data received over two years) 



KO. Chang B.Sc. — Lab. of Developm. Physiol., Inst, of Exper. Biol., Acad. 

 Sinica, 865 Chang Ning Rd, SHANGHAI, China, 

 a. Developmental analysis of hybrids. Bombyx (Insecta) 



KOCHER, W. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Zurich, 

 Kiinstlergasse 16, ZURICH 6, Schweiz. 



a. Differentiation and regeneration of notochord. Triton (Urodela) 



b. Experimentally evocated stop of differentiation in the notochord. Triton 

 alpestris (Urodela) 



KOEVOETS, Miss T. C. M. — Zool. Lab. der Rijks Univ., Janskerkhof 3. 

 UTRECHT, Holland, 

 a. Analysis of lithium action. Limnaea stagnalis (Gastropoda) (in colla- 

 boration with W. G. BRAAMS, A. C. J. BURGERS, P. F. ELBERS. 

 W. L. M. GEILENKIRCHEN, J. ISINGS, Chr. P. RAVEN, G. 

 SCHOLTEN and M. VROMAN) 



KOLLROS, J. J. Ph.D., Prof. — Dept of Zool., State Univ. of Iowa. IOWA 

 CITY, Iowa, U.S.A. 



a. The development of the spinal cord and nerves. Xenopus laevis (Anura) 

 (Normal Table) 



b. Influence of peripheral and intracentral factors upon the growth of the 

 midbrain. Rana, Bufo, Pseudacris (Anura) 



c. Metamorphic effects of locally applied thyroxin (skin, midbrain and gut). 

 Rana, Bufo, Pseudacris, Ambystoma (Amphibia) 



d. Regeneration of the midbrain in embryos and larvae. Rana, Bufo, 

 Pseudacris, Xenopus (Anura) 



e. Development of the optic tectum following repeated crushing of the 

 optic nerve. Xenopus (Anura) (in collaboration with Mrs V. PEPER- 

 NIK) 



f. Metabolic studies of the normal and thyroxin-stimulated skin of tadpoles. 

 Rana pipiens (Anura) (in collaboration with Mrs S. BARCH) 



KONIGSBERG. I. R. A.B. Brooklyn Coll. — Dept of Biol.. The Johns 

 Hopkins Univ.. Charles and 34th Strs, BALTIMORE 18, Md, U.S.A. 

 a. Ontogeny of hormonal correlation of carbohydrate metabolism. Functio- 

 nal differentiation of the endocrine pancreas. Gallus domesticus (Aves) 



KONOPACKA, Mrs B. Dr. M.V.S.S. — Inst, of Histol. and Embryol.. 

 Acad, of Med., ul. Chatubinskicgo 5, WARSZAWA. Poland. 



a. Histochemical investigations on development. Cyprinus carpio (Tele- 

 ostei) 



b. Nucleic acids, lipides and polysaccharides in developing embryos. 

 (Teleostei) 



KOPSCH. Fr. Dr. Prof. (Emer.) — Archivstr. 9. BERLIN-DAHLEM, 

 Deutschland. (Anat. Inst, der alten Berliner Univ.) 



KRABBE. K. H. Dr Med. — Tornblad-Inst. of comp. Embryol.. Histol. 

 Dept of the Univ. of Lund, Biskopsgatan 7, LUND, Sweden, (from 

 Kommunehospitalet, COPENHAGEN, Denmark) 

 a. Morphogenesis of the brain. (Aves) 



