. Biology of the Heteromyidae. Heteromyidae. Fig. 8.—The major carotid arteries of Hetero- mys desmarestianus. Top: dorsal view of crani- um with top of skull and brain removed; Bottom: ventral view with superficial neck muscles re- moved. Legend: Ba, basilar artery, CA, ant. ce- rebral; CC, common carotid; CM, medial cere- bral; CP, posterior cerebral; EC, external carotid; IC, internal carotid; IM, internal maxilary; lO, infraoribital; Fa, facial; Li, lingual; M, mandib- ular (=inferior alveolar); Mas, masseteric; N, na- sal; Op, ophthalmic; PA, posterior auricular; PCo, posterior communicat
. Biology of the Heteromyidae. Heteromyidae. Fig. 8.—The major carotid arteries of Hetero- mys desmarestianus. Top: dorsal view of crani- um with top of skull and brain removed; Bottom: ventral view with superficial neck muscles re- moved. Legend: Ba, basilar artery, CA, ant. ce- rebral; CC, common carotid; CM, medial cere- bral; CP, posterior cerebral; EC, external carotid; IC, internal carotid; IM, internal maxilary; lO, infraoribital; Fa, facial; Li, lingual; M, mandib- ular (=inferior alveolar); Mas, masseteric; N, na- sal; Op, ophthalmic; PA, posterior auricular; PCo, posterior communicating; PSA, posterior supe- rior alveolar; Pt, pterygoid; TF, transverse facial; TS, superficial temporal (from Brylski, 1990).. Fig. 9.—The major cephalic carotid arteries of Dipodomys, based on D. deserti, D. merriami, D. ordii, and D. panamintinus. Top: dorsal view of arteries of the cranium (with brain removed); Bottom: ventral view with superficial neck mus- cles removed. St, stapedial. See Figure 8 for leg- end of remaining abbreviations (from Brylski, 1990). within the three heteromyid subfamilies, and between perognathines and heteromyines, is body size-dependent (Hafner and Hafner, 1984). Dipodomyines, however, have larger brains relative to their body weight and, in particular, have enlarged cerebral cortices. In addition, there are some smaller inter-. 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 Brown, James H; Genoways, Hugh H. [Stillwater, Okla. ?] : American Society of Mammalogists
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