. Chordate morphology. Morphology (Animals); Chordata. 8 CELL completion bridge ectoderm mesentoderm yolk plug. 16 CELL neurol groove blostocoel yolk plug in blastopore. 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 Jollie, Malcolm. New York, Reinhold

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity