Read Ebook: North American Yellow Bats 'Dasypterus' and a List of the Named Kinds of the Genus Lasiurus Gray by Hall E Raymond Eugene Raymond Jones J Knox

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It could be contended that the peculiar coloration of specimens from southeastern Texas, coupled with the tendency to have a large skull and small external dimensions , justifies subspecific recognition for the animals that here are termed intergrades. But, judging by the specimens now available, such subspecific recognition would tend to obscure rather than clarify the geographic variation noted.

In the following accounts, localities of occurrence in each state are listed from north to south; if two lie in the same latitude, the westernmost is listed first. Localities that are italicized are not shown on the distribution map , either because undue crowding of symbols would result or, in several cases, because we could not precisely place the localities. Length of forearm is the average of both forearms in individuals in which both forearms could be measured.

Lasiurus intermedius intermedius

Lasiurus intermedius floridanus

Lasiurus intermedius insularis, new subspecies

The skull from San Bias was found in an owl pellet .

TABLE 1.--CRANIAL MEASUREMENTS OF THREE SUBSPECIES OF LASIURUS INTERMEDIUS

Table Legend:

Col. A: Catalogue number or number of specimens averaged Col. B: Museum Col. C: Sex Col. D: Locality Col. E: Condylocanine length Col. F: Zygomatic breadth Col. G: Interorbital breadth Col. H: Alveolar length C-M3 Col. I: Breadth of rostrum Col. J: Mastoid breadth Col. K: Length of mandibular tooth-row

"Rt. 98" and "15 mi. S Waukenna" both in Jefferson Co.

Only nine specimens.

"N Island, Grand Lake, Iberville Parish."

Some in Amer. Mus. Nat. History.

Females, 8; males, 3; unsexed, 1.

Only 11 specimens.

Lasiurus ega

Southern Yellow Bat

Lasiurus ega xanthinus

Lasiurus ega panamensis

RELATIONS BETWEEN THE SPECIES OF LASIURUS

LIST OF NAMED KINDS OF THE GENUS LASIURUS

The words "type from" indicate that a specimen or specimens served as basis for the name. The words "type locality" signify lack of knowledge as to whether a specimen was preserved.

Red Bats

Yellow Bats

Hoary Bats

EXPLANATION AND ACKNOWLEDGMENTS

LITERATURE CITED

ALLEN, H.

BAKER, R. H., and DICKERMAN, R. W.

BLAIR, W. F.

BORKHAUSEN, M. B.

CABRERA, A.

COCKRUM, E. L.

COLEMAN, R. H.

CONSTANTINE, D. G.

DALQUEST, W. W.

DAVIS, W. B.

DE BEAUFORT, L. F.

EADS, R. B., MENZIES, G. C., and WISEMAN, J. S.

FRYE, O. E., JR.

GAUMER, G. F.

GERVAIS, P.

GRAY, J. E.

GREER, J. K.

HALL, E. R., and KELSON, K. R.

HAMILTON, W. J., JR.

HANDLEY, C. O., JR.

INGLES, L. G.

IVEY, R. D.

LOWERY, G. H., JR.

MILLER, G. S., JR.

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