. Bulletin - United States National Museum. Science. 264 BULLETIN 77, UNITED STATES NATIONAL Fia. 156.—ESTHONIOPOEA CXmVATA. O AHB 6, SIDE AND BASAL VIEWS OP A NORMAL EXAMPLE, KATUEAL size; C, TANGENTIAL SECTION, X20,SHOWING THE SMALL OPENING LEFT BY THE INCOMPLETE DIAPHRAGM; d, VERTICAL SECTION, X8, THEOUGH POBTIONS OF TWO LAYERS, ILLTJSTEATING THE CYSTIPHEAGMLIKE INCOMPLETE DIAPHRAGM; 6, ANOTHER VERTICAL SECTION, X20. ECHINOSPHERITES LIMESTONE (CI), DUBOVIKI, GOVERNMENT OF ST. PETESSBUBQ,. Please note that these images are extracted from scanned page images that may have been digita
. Bulletin - United States National Museum. Science. 264 BULLETIN 77, UNITED STATES NATIONAL Fia. 156.—ESTHONIOPOEA CXmVATA. O AHB 6, SIDE AND BASAL VIEWS OP A NORMAL EXAMPLE, KATUEAL size; C, TANGENTIAL SECTION, X20,SHOWING THE SMALL OPENING LEFT BY THE INCOMPLETE DIAPHRAGM; d, VERTICAL SECTION, X8, THEOUGH POBTIONS OF TWO LAYERS, ILLTJSTEATING THE CYSTIPHEAGMLIKE INCOMPLETE DIAPHRAGM; 6, ANOTHER VERTICAL SECTION, X20. ECHINOSPHERITES LIMESTONE (CI), DUBOVIKI, GOVERNMENT OF ST. PETESSBUBQ,. 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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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
