OCR Text |
Show 510 MR. D. G. ELLIOT ON THE GENUS PTILOPUS. [May 7, opposed : distinguished from Treron (with which it constitutes the subfamily Treronince) by not possessing the scallop on the inner web of the third primary. Ptilopus is well placed between Treron and Carpophaga, leading Ptilopus iogaster. Celebes. First primary only narrowing slightly ; tarsus partly bare. Fig. 3. Ptilopus fasciatus. Upolu, Samoa. First primary abruptly attenuated; tarsus partly bare. up to the latter genus through the different races of Ptilopus magnificus. It is the absence of the scallop on the third primary which is the chief distinction between Ptilopus and Treron. To any one who will study this group with ample materials, such as has fortunately been at m y disposal, I think the difficulty, nay, impossibility, of discovering any trenchant generic characters will be readily acknowledged. Those who have had but a few species before them, represented by two or three individuals of each, might easily imagine that some one character of those which I have mentioned is really |