. Bulletin - United States National Museum. Science. 38 BULLETIN 17 5, UNITED STATES NATIONAL MUSEUM form, many of the trends in variation observable from affiinis outward along the lines of evolution of the vertebralis, catenifer, and sayi- 25 —L II ' ^ N L 1 K P 1 1 1 1. deppei jani lineaticollis d«ppei Figure 20.—Variation in ratio of tail length to total length in the forms of the deppei group. FiGCEE 21.—Variation in number of ventrals in the forms of the deppei group. melanoleucus groups, would necessarily pr


. Bulletin - United States National Museum. Science. 38 BULLETIN 17 5, UNITED STATES NATIONAL MUSEUM form, many of the trends in variation observable from affiinis outward along the lines of evolution of the vertebralis, catenifer, and sayi- 25 —L II ' ^ N L 1 K P 1 1 1 1. deppei jani lineaticollis d«ppei Figure 20.—Variation in ratio of tail length to total length in the forms of the deppei group. FiGCEE 21.—Variation in number of ventrals in the forms of the deppei group. melanoleucus groups, would necessarily proceed in a given direction hom deppei to affinis, from which the trend would continue along certain of the lines of dispersal unchanged, and be reversed along. 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