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Show 152 counted every twelve hourso This hatchedo in Table A is considerable the in the ATTEMPT could be date the of rate of of best insect in this this been fortified with have very of in embryonic fragments normal and gators have 1961; Jones for Schneider and by to salt (1964) from In contrast, 1961; and and others and devel Drosophila several and Martignoni Maramorosch, able was maintained cultures 1956; Grace, 1962; Vago have solution and maintenance To To instance (1958) a has coats. limitedo one in material establish tissue Hirumi egg embryos proliferation, but cell resultedo if craniifer Burmeister Blaberus Cunningham, Homoptera: disc been Takami (1963, 1964) Larsen been able Lepidoptera: Wyatt, 1958; toto. extracto the only in La) embryos mori in Medium 199; development, of has recently reported successful of strain. shown ORGANS facilitated knowledge, cultured melanogaster Meigeno is in Plate XVI. graph free venture opment in culture of imaginal solutions be completely kind egg this experiments concerning organization (Bombyx an for of writer's silkworm 290C control shown development the cent, per CULTURE EMBRYOS AND in vitro embryos grow kinds 76 or TO development might grown success 91, apparently representative range Numerous and control of with the hatching spread illustrated by IVo to total closely compares and V A in saline not investi (for Chastang, and 1964; Scallion, for |