FIGURE 2 in Osteology of the feeding apparatus of Magnificent Frigatebird Fregata magnificens and Brown Booby Sula leucogaster (Aves: Suliformes)

FIGURE 2: Lateral (A, B), dorsal (C) and ventral (D) views of the skull of Brown Booby Sula leucogaster. Ramus mandibulae (rm), Zona flexoria craniofacialis (zfc), Caput ossis lacrimalis (cl), Processus descendens ossis lacrimalis (pd), Pes ossis lacrimalis (pl), Processus postorbitalis (por), Crista temporalis dorsalis (ctd), Crista nuchalis sagittalis (cns), Crista nuchalis transversae (cnt), Crista laminae externae cranii (cle), Processus squamosalis (ps), Processus orbitalis quadrati (poq), Fossa musculorum temporalium (ft), Fossa subtemporalis (fs), Regio frontalis (f), Regio parietalis (p), Processus rostralis ossis palatini (prp), Fossa ventralis partis lateralis palatini (fvp), Lamellae ventralis (lv), Angulus caudolateralis (acl), Os pterygoideus (pt).