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Show 282 MR. 'tV. P. PYCRAFT ON THE [Mar. 17, RharnphococcVx , Rhinococcyx, and Piaya; it i slnall in Rhopodytes and Taccoco~fJa, ( nd ve tigial or wanting in other genera. The fovea l'lfJrnbalis is very mall, and the fovea ischiadica an pudendalis are confluent. There is a well-marked iliac rece ,'. Text-fig. 46. Text-fig. 48. Text-fig. 47. Text-fig. 46.-Dor al a pect of the pelvi of GeococcyJ.· mexicanus, howing the narrow preacetabular ilia, extremely broad post acetabular dor al plane, and large pectineal proce . Text-fig. 47.-Side view of arne, to how the broad ledge-like plate of the po t acetabular ilium, the hort pubi , and large pectineal process. Text-fig. 48.-Ventral a pect of arne, showing the great overhanging ledge of the dorsal plane. All figures of natural size. The pelvis of the Musophagi resemble ' that of the more specialised Cuculi. Though relatively wide, it breadth is due rather to the great length of the synsacral transverse proces e than to the dorsal plane of the postacetabular ilium. The preacetabular region of the ilium differs con picuously from that of the Cuculi, inasmuch as in thi group the lor al aspect is 0 much cut away as to lie far below the level of the yn acral crest, ave where it ri e at the extrelne antero-lol' al angle. In the Mu,o- |