. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Peterson : Miocene Beds of Nebraska and Wyoming. 67 No. 1337. No. 1411. mm. mm. Transverse diameter of P¥ 10 11 Antero-posterior diameter of MT 13 15 Transverse diameter of MT 12 12 Antero-posterior diameter of M2 17 20 Transverse diameter of M^ 13 15 Antero-posterior diameter of M3 29 34 Transverse diameter of Mg 14 15 Merychyus minimus subsp. nov. This subspecies is based on a series of fifteen individuals from the Upper Harrison beds in Sioux County, Nebraska, now in the collection of the
. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Peterson : Miocene Beds of Nebraska and Wyoming. 67 No. 1337. No. 1411. mm. mm. Transverse diameter of P¥ 10 11 Antero-posterior diameter of MT 13 15 Transverse diameter of MT 12 12 Antero-posterior diameter of M2 17 20 Transverse diameter of M^ 13 15 Antero-posterior diameter of M3 29 34 Transverse diameter of Mg 14 15 Merychyus minimus subsp. nov. This subspecies is based on a series of fifteen individuals from the Upper Harrison beds in Sioux County, Nebraska, now in the collection of the Carnegie Museum. Of this series No. 1466 is selected as the type. It consists of the skull, lower jaws, fragments of vertebrae, limbs, and a fore foot. The remains are all smaller than the type of M. lepto- rhynchus Cope which is the next largest variety, or subspecies. Besides the smaller size there are other slight differences which are quite con- stant and which distinguish it from the larger species, viz. : the slightly more advanced position of the infraorbital foramen, the rela- tively shorter sagittal crest, the shorter symphysis and the shallower. Fig. 16. Merychyus minimus Peterson. View of right side of skull, Type, No. 1466. nat. size. horizontal ramus of the lower jaw. The second and third upper pre- molars are more complicated than in Merychyus leptorhynchus, but this. 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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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
