. Smithsonian miscellaneous collections. he possession of two lower incisorsand two lower premolars on each side. There are no facial skull in general angularity, especially the prominent sagittalcrest and outstanding paroccipital processes suggests that of Vampy-rus, but the much shorter rostrum exceeds the interorbital area inwidth, the teeth differ notably in structure and the lower premolarsin number. The teeth are 32 in number. no. 5 MAMMALS OF PANAMA—GOLDMAN 185 PHYLLOSTOMUS HASTATUS PANAMENSIS Allen Panama Spear-nosed Bat Phyllostomus hastatus panamensis Allen, Bull. Amer. M
. Smithsonian miscellaneous collections. he possession of two lower incisorsand two lower premolars on each side. There are no facial skull in general angularity, especially the prominent sagittalcrest and outstanding paroccipital processes suggests that of Vampy-rus, but the much shorter rostrum exceeds the interorbital area inwidth, the teeth differ notably in structure and the lower premolarsin number. The teeth are 32 in number. no. 5 MAMMALS OF PANAMA—GOLDMAN 185 PHYLLOSTOMUS HASTATUS PANAMENSIS Allen Panama Spear-nosed Bat Phyllostomus hastatus panamensis Allen, Bull. Amer. Mus. Nat. Hist.,Vol. 20, p. 233, June 29, 1904. Type from Boqueron, Chiriqui, Panama. With the exception of the false vampire (Vampyrns spectrum)this is the largest American bat. The forearm measures about 90millimeters. It is a robust animal, very dark brown or blackishbrown in color above, except a lighter brown area across theshoulders. A gland on the under side of the neck is conspicuousin the males, but rudimentary in the - y Fig. 8.—Phyllostomus nastatus 179732, U. S. Nat. Mus. About nat. size. The Panama race apparently differs from Phyllostomus hastatushastatus1 of Trinidad and eastern Venezuela in larger size. Speci-mens from Panama and as far north as Patuca, Honduras, are,however, equalled by examples from the Amazon and from Common, at least at low elevations, throughout Panama. In oneof the Chilibrillo caves, near Alhajuela, I found thousands sus-pended from various parts of the vaulted roof in the total darknessof the principal chamber. More than 100 were seen in a single spotover which they were so densely massed that their bodies seemed tobe touching. There was much loud squeaking, but I was allowed toapproach to within 12 or 15 feet when they vacated the place almostin a body. In flying through the resounding passages of the cavethe noise of their wings resembled the thunderous roar of a heavy 1 Type region fixed as
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