. Culture methods for invertebrate animals;. Invertebrates -- Cultures and culture media; Invertebrates -- Collection and preservation. 6 Marine Invertebrates fixed to a wooden handle. The bag usually measures about i foot in diameter at the opening and 18 inches in depth. The netting may vary from i inch mesh at the top with % inch at the bottom for larger speci- mens, to % of an inch at the top with % inch mesh at the bottom for smaller forms. For collecting minute organisms a bag made of bolting silk Nos. 12, 16, or 20 may be substituted. The handle is usually from 6 to 7 feet long, but of
. Culture methods for invertebrate animals;. Invertebrates -- Cultures and culture media; Invertebrates -- Collection and preservation. 6 Marine Invertebrates fixed to a wooden handle. The bag usually measures about i foot in diameter at the opening and 18 inches in depth. The netting may vary from i inch mesh at the top with % inch at the bottom for larger speci- mens, to % of an inch at the top with % inch mesh at the bottom for smaller forms. For collecting minute organisms a bag made of bolting silk Nos. 12, 16, or 20 may be substituted. The handle is usually from 6 to 7 feet long, but of course may be increased to any desired Fig. 2.—The pile scrape net. For picking up small specimens floating on the water a small dip net about 6 inches in diameter is sometimes preferable. The pile scrape net. This modification of the dip net is used for col- lecting organisms growing on piling and other underwater structures. The metal ring of the net is bent in such a way as to make it fit the curva- ture of the piling (Fig. 2); it is about %6 °f an mcn m thickness and 12 K-,— Ut -- It^t. 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
