Ecological animal geography; an authorized, Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage ecologicalanimal00hess Year: 1937 Fig. 23 Fin. 24 Fig. 23.—Razor clam, Soleti pellucidm, of European seas, in the sand. Enlarged one and one-half times. After Meyer and Mobius. Fig. 24.—Lingula anatina in sand, seen from the edge, from the side, and with- drawn into its burrow. The opening of a burrow to the rear. After Francois. sented along the New England coast. By excavation of a space 1 meter square and 30 cm. deep at the mouth of t
Ecological animal geography; an authorized, Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage ecologicalanimal00hess Year: 1937 Fig. 23 Fin. 24 Fig. 23.—Razor clam, Soleti pellucidm, of European seas, in the sand. Enlarged one and one-half times. After Meyer and Mobius. Fig. 24.—Lingula anatina in sand, seen from the edge, from the side, and with- drawn into its burrow. The opening of a burrow to the rear. After Francois. sented along the New England coast. By excavation of a space 1 meter square and 30 cm. deep at the mouth of the Elbe, between tide marks, Dahl secured more than 800 individuals of an amphipod (Bathy- poreia). Where they occur, the horseshoe crabs bury themselves in the sand during the day, coming out at night to feed. Amphioxus must be included in this list of sand dwellers, lying in the sand with only the oral opening exposed (Fig. 26). As everywhere, the carnivores pursue their prey in this habitat also. A number of predators search actively through the sand for their prey.
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