. Bulletin - United States National Museum. Science. Figs. 38, 39.—Dictyonema filikamus, new Two small rhabdcsomes. in diameter. Branches straight or uniformly curved, mostly mm. wide, reaching mm., especially near the base; set about 40 in 25 mm. (7-9 in 5 mm., the strong radiation p r eventing counting for longer distances.) Bifurca- tions narrow, tending to V-shape. Dissepiments ex- ceedingly fine; rather uni- formly 1 mm. apart, occa- sionally two as close together as mm.; quite uniformly transverse. Meshes quite regular, rectanguhir. Too few thecte are visible to per


. Bulletin - United States National Museum. Science. Figs. 38, 39.—Dictyonema filikamus, new Two small rhabdcsomes. in diameter. Branches straight or uniformly curved, mostly mm. wide, reaching mm., especially near the base; set about 40 in 25 mm. (7-9 in 5 mm., the strong radiation p r eventing counting for longer distances.) Bifurca- tions narrow, tending to V-shape. Dissepiments ex- ceedingly fine; rather uni- formly 1 mm. apart, occa- sionally two as close together as mm.; quite uniformly transverse. Meshes quite regular, rectanguhir. Too few thecte are visible to per- mit of any accurate estimate of their number, but they seem to be something like 100 or more in 25 mm. Horizon and locality.— Xot uncommon in the dolomite and chert at fk;. 40.—dictvunema filiramus, .new species, .a Hamilton, Ontario. khabdosome of medium size. Cotype,s.—Cat. No. 55303, DICTYONEMA DESMOIDES Gurley, new species. Plate 4. figure 3. Gurley describes this species as follows: Polypary cyathiform, flabelliformly compressed, tending to spread rather widely, with branches mm. ( mm.) wide, the central ones usually straight, or only slightly undulate, the lateral ones diverging moderately, or. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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