. Description of fourteen new species and one new genus of North American mammals. Mammals North America. Jen 1889] DESCRIPTION OF A NEW PIKA. Measurements of skulls of Lagomys schisticej)* and L. princeps. 13 Lagomyg schisticeps Merriam. 3346cf 3347 £ 3348? 5375 $ 5376/ Basilar length (from one of the occipital condyles to poste rior edffe of alveola of incisor of same side) Basilar length of Hensel (from inferior lip of foramen mag- num to posterior edge of alveola of incisor) Greatest zygomatic breadth Greatest mastoid breadth Interorbital constriction Greatest length of nasal bones JLength
. Description of fourteen new species and one new genus of North American mammals. Mammals North America. Jen 1889] DESCRIPTION OF A NEW PIKA. Measurements of skulls of Lagomys schisticej)* and L. princeps. 13 Lagomyg schisticeps Merriam. 3346cf 3347 £ 3348? 5375 $ 5376/ Basilar length (from one of the occipital condyles to poste rior edffe of alveola of incisor of same side) Basilar length of Hensel (from inferior lip of foramen mag- num to posterior edge of alveola of incisor) Greatest zygomatic breadth Greatest mastoid breadth Interorbital constriction Greatest length of nasal bones JLength of upper molar series (on alveola-) Incisor to molar Incisor to post-palatal notch Distance between alveola? of upper molar series Distance between alveola^ of upper molar series posteriorly. Foramen magnum to post-jtaiatal notch Length of mandible (symphysis to angle) Height of mandible from angle to condylar process Length of under molariform series Distance from incisor to molariform series 8 IS. 3 28 5. 5 i. * 8 13 8. a 20 27 i o 28 8 22 85 10 30 17 8 Lajomysprinceps Richardson. 52215.' 575G S"5* 5759^* 5760 Jim. Basilar lengtb (from one of the occipital condyles to pos- terior edge of alveola of incisor of same side) Basilar length of Hensel (from inferior lip of foramen mag- num to posterior edge of alveola of incisor) Greatest zygomatic breadth Greatest mastoid breadth Interorbital constriction Greatest length of nasal bones Length of upper molar series (on alveola?/ Incisor to molar Incisor to post-palatal notch Distance between alveola? of upper molar series anteriorly Distance between alveola? of upper molar series posteri- orly Foramen magnum to post-palatal notch Length of mandible (symphysis to angle) Height of mandible from ancle to condylar process Length of under molariform series Distance from incisor to mo'ariform series 38 41 35
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherwashingtongovtprin
