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. The embryology of the honey bee. Honeybee; Bees. 194 THE EMBRYOLOGY OF THE HONEY BEE Ht DDph DLMcl- iF<; ;::.*:. VLMc VDph Gng Fig. 75. Transverse section through the 6th trunk segment of a newly hatched larva, x 387. in the middle of each segment its lateral walls are sharply infolded, reducing the lumen at these points to a narrow vertical slit. These folds evidently correspond to the ostia, or lateral valvular openings (see Snodgrass, 1910, p. 107), although no opening in the lateral walls was observed at Stage XV. In tranverse sections an exceedingly delicate membrane is seen to
. The embryology of the honey bee. Honeybee; Bees. 194 THE EMBRYOLOGY OF THE HONEY BEE Ht DDph DLMcl- iF<; ;::.*:. VLMc VDph Gng Fig. 75. Transverse section through the 6th trunk segment of a newly hatched larva, x 387. in the middle of each segment its lateral walls are sharply infolded, reducing the lumen at these points to a narrow vertical slit. These folds evidently correspond to the ostia, or lateral valvular openings (see Snodgrass, 1910, p. 107), although no opening in the lateral walls was observed at Stage XV. In tranverse sections an exceedingly delicate membrane is seen to extend right and left from the ventral wall of the heart, the dorsal diaphragm (Figs. 75 and 76, DDph). This ends free in the. 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 Nelson, James Allen. Princeton : Princeton University Press
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectbees, bookyear1915