. Culture methods for invertebrate animals;. Invertebrates -- Cultures and culture media; Invertebrates -- Collection and preservation. Fig. 6.—The basket rake. operated either by wading or from a boat. The shape and dimensions of the basket and the mesh of the wire netting vary greatly depending upon the locality and depth of the water in which the implement is to be used. The type of basket rake used for collecting Venus in the deep water of Cape Cod consists of an iron framework forming a curved bowl, the under edge of which is set with 20 steel teeth about 2% inches in length (Fig. 7). The
. Culture methods for invertebrate animals;. Invertebrates -- Cultures and culture media; Invertebrates -- Collection and preservation. Fig. 6.—The basket rake. operated either by wading or from a boat. The shape and dimensions of the basket and the mesh of the wire netting vary greatly depending upon the locality and depth of the water in which the implement is to be used. The type of basket rake used for collecting Venus in the deep water of Cape Cod consists of an iron framework forming a curved bowl, the under edge of which is set with 20 steel teeth about 2% inches in length (Fig. 7). The bowl of the rake, strengthened by side and cross. Fig. 7.—The basket rake, Cape Cod type. pieces of iron, is covered with a twine net dragging behind it. Sometimes teeth about 4 inches long are used. The rake weighs from 15 to 20 pounds. There is great variety in the styles and sizes of basket rakes used by fishermen. The handles of the rakes vary from 23 to 65 feet according to the prevailing depth of the water. The rakes are often pro- vided with several detachable handles of various lengths. Although the handles are made of strong wood they break very easily when operated by inexperienced collectors, since they are flexible and very thin, not exceeding 1% inches in diameter. Operation of long rakes (65 feet) requires great 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 Galtsoff, Paul Simon, 1887-. update forthcoming
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
