. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Eigenmann: The Serrasalmin.* and Mylin^. 263 Colosoma {Waileina) nigripinnis Fowler, Proc. Acad. Nat. Sci. Phila., 1906, p. 473. fig- 55 (Peruvian Amazon). Habitat.—Amazons. Fowler makes nigripinnis a new subgenus, basing it on the fact that the 'anterior and posterior series of teeth are well-separated anteriorly in the upper jaw,' but in the description, p. 474, he says, "In upper jaw five teeth in each external series approximated with our transverse annectant ones," and again, p
. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Eigenmann: The Serrasalmin.* and Mylin^. 263 Colosoma {Waileina) nigripinnis Fowler, Proc. Acad. Nat. Sci. Phila., 1906, p. 473. fig- 55 (Peruvian Amazon). Habitat.—Amazons. Fowler makes nigripinnis a new subgenus, basing it on the fact that the 'anterior and posterior series of teeth are well-separated anteriorly in the upper jaw,' but in the description, p. 474, he says, "In upper jaw five teeth in each external series approximated with our transverse annectant ones," and again, p. 475, he says, "Cope's. Fig. II. Dentition of Piaractus nigripinnis (Cope), a, b, c, the premaxillary from below, within, and without, respectively, d and e, the dentary from within and without, f • statement, that the two posterior mandibulars are in contact with the median pair of the anterior series, and are separated by a narrow interspace from each other, evidently refers to the teeth of the upper ; Doubting whether Cope meant the upper jaw when he wrote "mandibular," it is quite evident that Fo\vler again means to say that the anterior and posterior teeth of the upper jaw are in contact.* The rays of the adipose are poorly represented in Fowler's figure, which is a fair representation of the following specimens: 5637 a-b. C. M. Two, 220 mm. Manaos, Nov. 16, 1909. Base- man. ' I have recently examined the specimens described by Fowler and find that the teeth are in contact and that the subgenus Waiteina is a pure 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 Carnegie Museum; Carnegie Museum of Natural History. [Pittsburgh] : Published by authority of the Board of Trustees of the Carnegie Institute
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