. Bulletin - United States National Museum. Science. CATFISH GENUS NOTURUS RAFINESQUE 149. Map 10.—The distribution of Noturus albater, new species. Circles represent material examined. Unverified records which appear to be based on A^. albater lie well within the indicated range. (c) ; preoperculomandibular pores (a) , (b) , (c) ; anal rays (a) , (b) , (c) ; lower-half caudal rays (a) , (b) , (c) ; upper-half caudal rays (range: (a) 23 to 28; (b) 22 to 26) (a) , (b) , (c) ; total caudal rays (a) , (b) , (c) ; verte
. Bulletin - United States National Museum. Science. CATFISH GENUS NOTURUS RAFINESQUE 149. Map 10.—The distribution of Noturus albater, new species. Circles represent material examined. Unverified records which appear to be based on A^. albater lie well within the indicated range. (c) ; preoperculomandibular pores (a) , (b) , (c) ; anal rays (a) , (b) , (c) ; lower-half caudal rays (a) , (b) , (c) ; upper-half caudal rays (range: (a) 23 to 28; (b) 22 to 26) (a) , (b) , (c) ; total caudal rays (a) , (b) , (c) ; vertebrae (a) , (b) , (c) Only pectoral and pelvic rays were counted from four Saint Francis River specimens. These coincide with counts from White River specimens. Considering the small size of the Black River sample, no important differences are evident. Relationships.—Noturus cdbater is a distinctive species without close aflfinity to any other species of the subgenus Rabida. The increased number of pectoral rays and the shortening of the anterior pectoral. 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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