96
A . M O S C O N A , O. A . T R O W E L L A N D E. N. W I L L M E R
Runnstrom, J. (1961). Effect o f pretreatment of the sea urchin egg with trypsin o f
different doses with respect to cortical changes, cleavage and further development. Exp. Cell Res. 22, 576.
Runnstrom, J., Hagstrom, B. E. and Perlmann, P. (1959). Fertilization. In " T h e
Cell" (J. Brachet and A . E. Mirsky, eds.), p . 327. Academic Press, N e w York.
St. George, S., Friedman, M . and Byers, S. O . (1954). Mass separation of reticuloendothelial and parenchymal cells o f rat liver. Science 120, 463.
Sandell, E. B. (1950). "Colorimetric Determination o f Traces o f Metals", 2nd ed.,
p . 87. Interscience Publishers Inc., N e w York.
Sanford, K . K., Earle, W . R . and Likely, G. D . (1948). T h e growth in vitro o f single
isolated tissue cells. J. nat. Cancer Inst. 9, 229.
Sanford, K . K., Likely, G. D . and Earle, W . R . (1954). T h e development o f variations in transplantability and morphology within a clone of mouse fibroblasts
transformed to sarcoma-producing cells in vitro. J. nat. Cancer Inst. 15, 215.
Sato, G., Fisher, H . W . and Puck, T . T . (1957). Molecular growth requirements of
single mammalian cells. Science 126, 961.
Schwartz, B. (1960). T h e design and performance o f a perfusion system for the
culture of the lens. Arch. Ophthal., Chicago 63, 607.
Selman, G. C. and Counce, S. J. (1953). Abnormal embryonic development in
Drosophila induced by ultrasonic treatment. Nature, Lond. 172, 503.
Sengel, P. (1958). Recherches exp^rimentales sur la differenciation des germes
plumaires et du pigment de la peau de Pembryon de poulet en culture in vitro.
Ann. Sci. Nat. gool. 20, 431.
Shaffer, B. M . (1956). T h e culture of organs from the embryonic chick on celluloseacetate fabric. Exp. Cell Res. 11, 244.
Shannon, J. E. and Earle, W . R . (1951). Qualitative comparison of the growth of
chick heart and strain-L fibroblasts planted as suspensions on pyrex glass and
perforated cellophane substrates. J. nat. Cancer Inst. 12, 155.
Sharp, J. A . (1959). A modification o f the Rose perfusion chamber. Exp. Cell Res. 17,
519.
Simms, H . S. and Stillman, N . P. (1937). Substances affecting adult tissue in vitro.
I. T h e stimulating action of trypsin on fresh adult tissues. J. gen. Physiol. 20, 603.
Singer, M . and Salpeter, M . M . (1961). T h e bodies o f Eberth and associated structures
in the skin of the frog tadpole. J. exp. Z°°l- 147, 1.
Sobel, H . (1958). T h e behaviour in vitro o f dissociated embryonic pituitary tissue.
J. Embryol. exp. Morph. 6, 518.
Spratt, N . T., Jr. (1947). A simple method for explanting and cultivating early chick
embryos in vitro. Science 106, 452.
Spratt, N . T., Jr. (1948). Development of the early chick blastoderm on synthetic
media. J. exp. Z°°l' 107, 39.
Stilwell, E. F. (1944). T h e production o f multipolar mitoses in normal somatic cells
of embryonic chick tissue grown in vitro. Anat. Rec. 90, 115.
Stilwell, E. F. (1948). T h e influence of temperature variation upon the occurrence of
multipolar mitoses in embryonic cells grown in vitro. Anat. Rec. 99, 227.
Strangeways, T . S. P. and Canti, R . G . (1927). T h e living cell in vitro as shown by
dark-field illumination and the changes induced in such cells by fixing agents.
Quart. J. micr. Sci. 71, 1.
Strangeways, T . S. P. and Fell, H . B. (1926). Experimental studies on the differentiation o f embryonic tissues growing in vivo and in vitro. I. T h e development o f the
undifferentiated limb-bud (a) when subcutaneously grafted into the postembryonic chick and (b) when cultivated in vitro. Proc. roy. Soc. B 99, 340.
A . M O S C O N A , O. A . T R O W E L L A N D E. N. W I L L M E R
Runnstrom, J. (1961). Effect o f pretreatment of the sea urchin egg with trypsin o f
different doses with respect to cortical changes, cleavage and further development. Exp. Cell Res. 22, 576.
Runnstrom, J., Hagstrom, B. E. and Perlmann, P. (1959). Fertilization. In " T h e
Cell" (J. Brachet and A . E. Mirsky, eds.), p . 327. Academic Press, N e w York.
St. George, S., Friedman, M . and Byers, S. O . (1954). Mass separation of reticuloendothelial and parenchymal cells o f rat liver. Science 120, 463.
Sandell, E. B. (1950). "Colorimetric Determination o f Traces o f Metals", 2nd ed.,
p . 87. Interscience Publishers Inc., N e w York.
Sanford, K . K., Earle, W . R . and Likely, G. D . (1948). T h e growth in vitro o f single
isolated tissue cells. J. nat. Cancer Inst. 9, 229.
Sanford, K . K., Likely, G. D . and Earle, W . R . (1954). T h e development o f variations in transplantability and morphology within a clone of mouse fibroblasts
transformed to sarcoma-producing cells in vitro. J. nat. Cancer Inst. 15, 215.
Sato, G., Fisher, H . W . and Puck, T . T . (1957). Molecular growth requirements of
single mammalian cells. Science 126, 961.
Schwartz, B. (1960). T h e design and performance o f a perfusion system for the
culture of the lens. Arch. Ophthal., Chicago 63, 607.
Selman, G. C. and Counce, S. J. (1953). Abnormal embryonic development in
Drosophila induced by ultrasonic treatment. Nature, Lond. 172, 503.
Sengel, P. (1958). Recherches exp^rimentales sur la differenciation des germes
plumaires et du pigment de la peau de Pembryon de poulet en culture in vitro.
Ann. Sci. Nat. gool. 20, 431.
Shaffer, B. M . (1956). T h e culture of organs from the embryonic chick on celluloseacetate fabric. Exp. Cell Res. 11, 244.
Shannon, J. E. and Earle, W . R . (1951). Qualitative comparison of the growth of
chick heart and strain-L fibroblasts planted as suspensions on pyrex glass and
perforated cellophane substrates. J. nat. Cancer Inst. 12, 155.
Sharp, J. A . (1959). A modification o f the Rose perfusion chamber. Exp. Cell Res. 17,
519.
Simms, H . S. and Stillman, N . P. (1937). Substances affecting adult tissue in vitro.
I. T h e stimulating action of trypsin on fresh adult tissues. J. gen. Physiol. 20, 603.
Singer, M . and Salpeter, M . M . (1961). T h e bodies o f Eberth and associated structures
in the skin of the frog tadpole. J. exp. Z°°l- 147, 1.
Sobel, H . (1958). T h e behaviour in vitro o f dissociated embryonic pituitary tissue.
J. Embryol. exp. Morph. 6, 518.
Spratt, N . T., Jr. (1947). A simple method for explanting and cultivating early chick
embryos in vitro. Science 106, 452.
Spratt, N . T., Jr. (1948). Development of the early chick blastoderm on synthetic
media. J. exp. Z°°l' 107, 39.
Stilwell, E. F. (1944). T h e production o f multipolar mitoses in normal somatic cells
of embryonic chick tissue grown in vitro. Anat. Rec. 90, 115.
Stilwell, E. F. (1948). T h e influence of temperature variation upon the occurrence of
multipolar mitoses in embryonic cells grown in vitro. Anat. Rec. 99, 227.
Strangeways, T . S. P. and Canti, R . G . (1927). T h e living cell in vitro as shown by
dark-field illumination and the changes induced in such cells by fixing agents.
Quart. J. micr. Sci. 71, 1.
Strangeways, T . S. P. and Fell, H . B. (1926). Experimental studies on the differentiation o f embryonic tissues growing in vivo and in vitro. I. T h e development o f the
undifferentiated limb-bud (a) when subcutaneously grafted into the postembryonic chick and (b) when cultivated in vitro. Proc. roy. Soc. B 99, 340.