. Journal of experimental zoology. smic defect; e., spherule bearing endoplasm; N, nucleus; , polar ectoplasm. Eggs put inninety-three parts sea-water plus seven parts 2i M KCl at 9 a. m., transferred to sea-waterat 10 A. M. Preserved ^- *•> °°^ hour and thirty-nine minutes from the beginning of theexperiment. The dotted outline represents the boundary of the spherule-bearing endoplasm; thebroken line, The ectoplasm now flows more rapidly towards the animalpole and thus forms a relatively narrow polar ring; in some casesthe opening disappears and the ectoplasm becom
. Journal of experimental zoology. smic defect; e., spherule bearing endoplasm; N, nucleus; , polar ectoplasm. Eggs put inninety-three parts sea-water plus seven parts 2i M KCl at 9 a. m., transferred to sea-waterat 10 A. M. Preserved ^- *•> °°^ hour and thirty-nine minutes from the beginning of theexperiment. The dotted outline represents the boundary of the spherule-bearing endoplasm; thebroken line, The ectoplasm now flows more rapidly towards the animalpole and thus forms a relatively narrow polar ring; in some casesthe opening disappears and the ectoplasm becomes heaped up ina mass (Fig. 59); as there is relatively little endoplasm in thispart of the egg there appear three strata (Figs. 54, 55 and 56).This occurs about two to four hours from the beginning ofthe experiment. Thus in Experiment , 1904, I put someunfertilized eggs into ninety-five parts of sea-water plus fiveparts of 5/2 M KCl at a. m., and the eggs were trans- Elementary Phenomena of Embryonic Developmefit 225. Fig. 54 Fig. 55
Size: 2364px × 1057px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904