Full resolution (JPEG) - On this page / på denna sida - On the Systematic Position of Æluropus Melanoleucus
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| The two distal condyles of femur reach nearly equally far behind. | | | | |
The two distal condyles reach nearly equally far behind. | | | | | The inner condyle reaches somewhat behind the outer one. |
| The groove on the distal end of the tibia for articulation with the astragalus shallow. | | | | | The groove on the distal end of the tibia shallow. | | | | | The groove on the distal end of the tibia not very shallow. |
| Fibula greatly expanded at the two extremities. | | | | Fibula greatly expanded at the two extremities. | | | | Fibula not greatly expanded at the two extremities. |
| Tarsale IV—V antero- posteriorly elongated (also in Procyon.) | | | | | Tarsale IV—V antero- posteriorly elongated. | | | | | Tarsale IV—V transversely elongated. |
| A very large pointed sesamoid is articulated to the inner side of the centrale (absent in Procyon.) | | | | | | A large somewhat pointed sesamoid is articulated to the inner side of the centrale. | | | | | | Tibial sesamoid (not always?) present, nearly as large as in Æluropus (cfr. fig. 3). |
| Metatarsals long, slender (also in Procyon). | | | | Metatarsals rather short and stout. | | | | Metatarsals rather long and slender. |
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| Fig. 3. Tarsus of Ursus arctos. (½). c = centrale, f = fibulare (calcaneus), t. i. = tibiale-intermedium (astragalus), t.s. = tibial sesamoid. t I—V = 1st to 5th tarsal, I—V = 1st to 5th metatarsal. |
| No rhomboid area visible in the front region of the brain. | | | | A distinct rhomboid area present. | | | | A distinct rhomboid area present. |
| General form of the brain mostly procyonoid. | | | | | General form mostly arctoid. | | | | | The arctoid form of the brain very different from the procyonoid one. |
| Lobi olfactorii short. | | | | Lobi olfactorii extremely long. | | | | Lobi olfactorii short. |
| Cerebellum mostly overlapped by cerebrum. | | | | Cerebellum mostly free. | | | | Cerebellum somewhat concealed. |
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