. Fresh-water biology. Freshwater biology. THE SPONGES (PORIFERA) 315 SO (48, 49) Foraminal tubule still shorter; tendrils, three to five, very long and slender Carterius tenosperma Potts 1880. Sponge forming irregular masses creeping upon and around water plants and roots, less fre- quently encrusting stones. Gemmules rather numerous. Foraminal tubules about one-fourth the diameter of the gemmules. Tendrils as much as half an inch long. Skeleton spicules slen- der, very sparsely microspined, gradually pointed. Dermal spicules slender, nearly straight, entirely spined. Birotulates with cylindr
. Fresh-water biology. Freshwater biology. THE SPONGES (PORIFERA) 315 SO (48, 49) Foraminal tubule still shorter; tendrils, three to five, very long and slender Carterius tenosperma Potts 1880. Sponge forming irregular masses creeping upon and around water plants and roots, less fre- quently encrusting stones. Gemmules rather numerous. Foraminal tubules about one-fourth the diameter of the gemmules. Tendrils as much as half an inch long. Skeleton spicules slen- der, very sparsely microspined, gradually pointed. Dermal spicules slender, nearly straight, entirely spined. Birotulates with cylindrical shafts, abundantly spined, rotules often irregular. New Jersey and Eastern 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
