. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 224 ELDON E. BALL MATERIALS AND METHODS Specimens of Corymorpha palma Torrey (Fig. 1) were collected using SCUBA at depths of up to fifteen feet in Newport Bay, California. They were maintained in aquaria with either open or recirculating sea water systems at temperatures of 12°-23° C and an illumination cycle of 16 hours light and 8 hours of darkness. Artemia nauplii were added to each aquarium every day or two. Gross morphology of Corymorpha was investigated by dissection, while for cel- lular details tissue was fixed in p
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 224 ELDON E. BALL MATERIALS AND METHODS Specimens of Corymorpha palma Torrey (Fig. 1) were collected using SCUBA at depths of up to fifteen feet in Newport Bay, California. They were maintained in aquaria with either open or recirculating sea water systems at temperatures of 12°-23° C and an illumination cycle of 16 hours light and 8 hours of darkness. Artemia nauplii were added to each aquarium every day or two. Gross morphology of Corymorpha was investigated by dissection, while for cel- lular details tissue was fixed in picroformol, embedded in paraffin, sectioned, and stained with hematoxylin and triosin. Oxidized methylene blue staining for nerves was done on fresh tissue. Individual cell types were examined following macera- tion of fresh tissue in Bela Haller's macerating fluid (Gatenby and Painter, 1937). For electrical recording from a whole animal, Corymorpha was placed on sand in the bottom of a culture dish (80 X 100 mm) full of sea water adjusted to 20 ± 1 ° C by immersion in a water bath. This temperature was maintained during Distal tentacle Proboscis. roximal tentacle Proboscis .Gonophore / Peduncle Proximal tentacle Perisorc Frustule. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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