作者: W. M. Smallwood , Mary Lovett Smallwood
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摘要: The detailed spawning habits and hatching period are described. larval is divided into the inactive, when yolk source of food, active period, food captured. rate growth transformation larvae fry described. The cell formation passes a syncytial there produced many nuclei without cytoplasm.c division. Around these nuclei, cytoplasm collects to give rise more cells. method by which mucous cells described also presence secretion masses in both syncytium mucosa.