. Bulletin - United States National Museum. Science. 52 NATIONAL MUSEUM BULLETIN 29 5. Figure IS.—Paranesidea spongicola, n. sp.: A-D, Male USNM 121302; E,F, female USNM 121303. A,B) Carapace interiors; C, copulatory organ and furca; D, maxilla; E,F, carapace exteriors. A,B,E,F, X 43; C,D, X 301. Diagnosis.—Carapace exterior with abundant fine pits and bearing rather numerous small spines, these located mainly in anterior, posterior, and ventral regions and absent from the dorsomedian and median areas. Posterior siphonate indentation of selvage very con- spicuous on both valves. Anterior
. Bulletin - United States National Museum. Science. 52 NATIONAL MUSEUM BULLETIN 29 5. Figure IS.—Paranesidea spongicola, n. sp.: A-D, Male USNM 121302; E,F, female USNM 121303. A,B) Carapace interiors; C, copulatory organ and furca; D, maxilla; E,F, carapace exteriors. A,B,E,F, X 43; C,D, X 301. Diagnosis.—Carapace exterior with abundant fine pits and bearing rather numerous small spines, these located mainly in anterior, posterior, and ventral regions and absent from the dorsomedian and median areas. Posterior siphonate indentation of selvage very con- spicuous on both valves. Anterior and posterior margins of both valves with striate frill. Muscle-scar pattern as usual for the genus; anterior to adductor scars is a conspicuous raised crescentic projection similar to the fulcra! point found in some 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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