Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 332 PLATYHELMINTHES. water, and thence pass in the food into the stomach usually of herbivorous or omnivorous animals. As soon as the egg membranes are digested or burst by the action of the juices of the stomach of the new host, the embryos which have been thus set free bore their way into the gastric or intestinal vessels by means of their six (rarely four) hooks, the points of which can be approached and removed from one another over the periphery of the small globular embryonic body.
Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 332 PLATYHELMINTHES. water, and thence pass in the food into the stomach usually of herbivorous or omnivorous animals. As soon as the egg membranes are digested or burst by the action of the juices of the stomach of the new host, the embryos which have been thus set free bore their way into the gastric or intestinal vessels by means of their six (rarely four) hooks, the points of which can be approached and removed from one another over the periphery of the small globular embryonic body. When they are once within the vascular system,
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