. Fresh-water biology. Freshwater biology. 314 FRESH-WATER BIOLOGY 48 (49, 50) Foraminal tubule very long and slender, tendrils short, irregu- larly waving Carterius lubisperma Mills 1881. Sponge massive. Gemmules numerous. Length of foraminal tubule one-half to once diam- eter of gemmule. Skeleton spicules rather slender, gradually pointed, sparsely spined. Der- mal spicules long, slender, entirely spined. Gemmule birotulates abundant, irregular in length, suggesting genus Heteromeyenia, shaft smooth or with one or more spines, rotules arched, rays numerous, long, incurved. Assigned by Annand
. Fresh-water biology. Freshwater biology. 314 FRESH-WATER BIOLOGY 48 (49, 50) Foraminal tubule very long and slender, tendrils short, irregu- larly waving Carterius lubisperma Mills 1881. Sponge massive. Gemmules numerous. Length of foraminal tubule one-half to once diam- eter of gemmule. Skeleton spicules rather slender, gradually pointed, sparsely spined. Der- mal spicules long, slender, entirely spined. Gemmule birotulates abundant, irregular in length, suggesting genus Heteromeyenia, shaft smooth or with one or more spines, rotules arched, rays numerous, long, incurved. Assigned by Annandale to genus Heteromeyenia. In Niagara River, N. Y., Massachusetts, and 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
