. Outlines of zoology. Zoology. ayg. ad Y\g. 35.—Life history of Gregarina.—After Btitscbli. Young forms emerging from intestinal cells. ad. Adult with deciduous head-cap and a cuticular partition divid- ing the cell into two. con. Two forms conjugating (G. blattarum). Spore formation. spt. Kipe spore of G. blattaruvi, within spore-case. sp-z. Spore of G. gigantea, after escaping from the spore-case, show- ing long vibratile part which breaks of and develops into the adult. constantly. The full-grown adults are visible to the naked eye. They are usually flattened worm-like cells, b
. Outlines of zoology. Zoology. ayg. ad Y\g. 35.—Life history of Gregarina.—After Btitscbli. Young forms emerging from intestinal cells. ad. Adult with deciduous head-cap and a cuticular partition divid- ing the cell into two. con. Two forms conjugating (G. blattarum). Spore formation. spt. Kipe spore of G. blattaruvi, within spore-case. sp-z. Spore of G. gigantea, after escaping from the spore-case, show- ing long vibratile part which breaks of and develops into the adult. constantly. The full-grown adults are visible to the naked eye. They are usually flattened worm-like cells, but the shape alters considerably during the sluggish movements. There is a definite contractile rind, which is sometimes nbrillated, and a more fluid medullary substance, in which the large nucleus floats. In one species there is an anterior. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Thomson, J. Arthur (John Arthur), 1861-1933. Edinburgh, Glasgow and London, H. Frowde and Hodder & Stoughton
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Keywords: ., bookauthorth, bookcentury1800, bookdecade1890, booksubjectzoology
