. Bulletin - United States National Museum. Science. 10 BULLETIN 208, UNITED STATES NATIONAL MUSEUM at its anterior end and almost disappears posteriorly. While I have examined only a single example of each of these two, my observations on Indicator xanthonotus bear out exactly what Stoliczka (1873, p. 426) described many years ago for another specimen, writing that the "keel is moderately elevated in front, but after a short distance rapidly diminishes in height, and becomes almost obsolete before Prodotiscus regulus Prodotiscus insignis Prodotiscus Melichneutes robusfus Indicator indica
. Bulletin - United States National Museum. Science. 10 BULLETIN 208, UNITED STATES NATIONAL MUSEUM at its anterior end and almost disappears posteriorly. While I have examined only a single example of each of these two, my observations on Indicator xanthonotus bear out exactly what Stoliczka (1873, p. 426) described many years ago for another specimen, writing that the "keel is moderately elevated in front, but after a short distance rapidly diminishes in height, and becomes almost obsolete before Prodotiscus regulus Prodotiscus insignis Prodotiscus Melichneutes robusfus Indicator indicator Indicator exiiis. Melignomon Figure 1.—Phylogenetic tree of the honey-guides. it reaches the end of the ; Bates (1909b, p. 27) commented on the remarkably depressed body form of Melichneutes, and noted that the sternal keel was shallow; I find it is less weU developed in that species than in any of the other members of the family ex- amined. The aberrant genus Prodotiscus, on the contrary, has a remarkably deep keel. In order to clarify the great differences. 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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