8. Intravital staining of parts of the Amnion's formation by injection of 

 dithizon. (Mammalia) 



Fleischhauer, K. & E. Horstmann — Z. f. Zcllforsch.. 1957 



Operation and marking 



9. U.V.-Strahlenstichmethode. (General) 

 Seidel. F. — Zool Anz., Suppl. 19, 371-380, 1956 



10. Insertion of transplants into the mesenchyme beneath the epithelium. 

 Kido, T. — Sci. Rep. Kanazawa Univ.. 5, I, 1957 ( Turbellada) 



11. A method for the destruction in situ of larval gonads. (Insecta) 

 Pantelouris, E. M. & D. Poggendorf — Experientia, 11, 38, 1955 



12. Use of the Mitchison-Swann elastimeter as an aid in micromanipulation. 

 Tyler, A. — Biol. Bull., 109. 369-370. 1955 (Echinodetmata) 



13. Infusion of microquantities of chemicals in solution into the embryo and 

 the regenerate. (Amphibia) 



Singer. M., D. Flinker & R. L. Sidman — J. Exp. Zool., 131, 267-300, 1956 



14. Tracing of morphogenetic movements by means of labelled cells. (Am- 

 Sirlin. J. L. — Roux'Archiv, 148, 489-493. 1956 phibia, Aves) 



15. An improved method of operating on early blastoderms in ovo. (Aves) 

 Grabowski. C. T. — J. Exp. Zool.. 133. 301-344, 1956 



16. Nouvelle technique de transplantation: la greffe intra-oculaire; application 

 a I'epiphyse. (Aves) 



May, R. M. 6 M. S. Thillard — C. R. Acad. Sci.. 244. 1553-1555. 1957 



17. Isolation of melanocytes free of other cell types; use for grafting (seeding) 

 or tissue culturing. (Aves) 



Reams, W. M.. Jr. — J. Morphol., 99, 3, 513-548, 1956 



18. A method for experimental closure of extraembryonic vessels. (Aves) 

 Rychter, Z. & L. Lemez — Cs. morfologie, 4, X'^lASl, 1956 



19. Labelling of early eggs for transplantation. (Mammalia) 



Edwards, R. G. 6 J. L. Sirlin — Proc. Sec. World Congr. Pert. Ster.. 1957 



20. Ionizing radiation as an extirpative tool in experimental embryology. 

 (Mammalia) 



Hicks. S. P.. B. L. Brown & C. J. D.'Amato — Am. J. Pathol., 33, 459-481. 



1957 



21. Labelling of sperm. (Mammalia) 



Sirlin. J. L. & R. G. Edwards — Exp. Cell Res., % 596-599, 1955 



22. Operative Entnahme und in vitro Zucht einzelner Keime. (Mammalia) 

 Wrba, H. — Verh. Deutsch. Ges. Pathol., 39 Tgg., 345-349. 1955 



195 



