. Bats of Portugal : zoogeography and systematics. Bats -- Portugal. B Fig. 15. Typical shape of the tragus of A) Myotis, B) Nyctalus, C) Pipistrellus, and D) Eptesicus. 5'. Forearm longer than 45 mm Eptesicus (p. 23) Based on Cranial Characters.— 1. Three pairs of upper premolars Myotis (p. 14) 1'. One or two pairs of upper premolars 2 2. One pair of upper premolars (but see P. savii) Eptesicus (p. 23) 2'. Two pairs of upper premolars 3 3. Three pairs of lower premolars; maximal di- ameter of tympanic bulla twice as large as the distance between them Plecotus (p. 35) 3'. Two pairs of lower pr
. Bats of Portugal : zoogeography and systematics. Bats -- Portugal. B Fig. 15. Typical shape of the tragus of A) Myotis, B) Nyctalus, C) Pipistrellus, and D) Eptesicus. 5'. Forearm longer than 45 mm Eptesicus (p. 23) Based on Cranial Characters.— 1. Three pairs of upper premolars Myotis (p. 14) 1'. One or two pairs of upper premolars 2 2. One pair of upper premolars (but see P. savii) Eptesicus (p. 23) 2'. Two pairs of upper premolars 3 3. Three pairs of lower premolars; maximal di- ameter of tympanic bulla twice as large as the distance between them Plecotus (p. 35) 3'. Two pairs of lower premolars; tympanic bulla not as large as above 4 4. Condylobasal length over mm Nyctalus (p. 25) 4'. Condylobasal length less than mm 5 5. Tapered rostrum (Fig. 16) Barbastella (p. 34) 5'. Rostrum not tapered (Fig. 16) Pipistrellus (p. 28). Fig. 16. Side view of the anterior part of the skulls of Barbastella (left) and Pipistrellus (right). Note the tapered rostrum of Barbastella. Modified from Gaisler et al. (1957).. 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 Palmeirim, Jorge M. Lawrence, Kan. : University of Kansas. Museum of Natural History
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