. The Auk. Birds. Fig. I. Basal view of the s' oi IIahia melatiocep/iala, adult i; , X 2, and mandible removed. Fig. 2. Basal view of the skull of Piplo m. mej^alonyx, adult ,^ , X 2, and mandible removed, /wx, premaxillary ; /, lacrymal; , maxillary; w/., maxillo-palatine ; //, pterygoid; spp, secondary palatine process ; z/, vomer; //, palatine ; y. jugal; , squamosal process; </, quadrate; 8, foramen for glossopharangeal and vagus nerves ; <//, quadrato-jugal. *These processes are well shown in Figure i, and as I have never met with a former description, I have designated


. The Auk. Birds. Fig. I. Basal view of the s' oi IIahia melatiocep/iala, adult i; , X 2, and mandible removed. Fig. 2. Basal view of the skull of Piplo m. mej^alonyx, adult ,^ , X 2, and mandible removed, /wx, premaxillary ; /, lacrymal; , maxillary; w/., maxillo-palatine ; //, pterygoid; spp, secondary palatine process ; z/, vomer; //, palatine ; y. jugal; , squamosal process; </, quadrate; 8, foramen for glossopharangeal and vagus nerves ; <//, quadrato-jugal. *These processes are well shown in Figure i, and as I have never met with a former description, I have designated them by the above-given name. Not having examined the young of H. melanocephala, it is just possible that these interesting projections may be developed on the part of the premaxillary, but the adult skull does not seem to so indicate. The name I have bestowed upon them will answer very well in either event. They are absent in such a form as Coccotkraustes vulgaris (See Huxley, S., 1867, p. 452, fig. 33), and very likely in our C, vespertina, though I have not ex- amined the skeleton of that 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 American Ornithologists' Union. Washington, D. C. : American Ornithologists' Union, etc.


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884