as subspecies of a single species.

As understood now, the Mexican _Rhogeessa_ are as follows:

=Rhogeessa parvula parvula= H. Allen

1866. _Rhogeessa parvula_ H. Allen, Proc. Acad. Nat. Sci.
Philadelphia, p. 285, type from Tres Marias Islands.

_Range._--Tres Marias Islands and western mainland of Mexico from
Alamos, Sonora, south to San Blas, Nayarit.

=Rhogeessa parvula tumida= H. Allen.

1866. _Rhogeessa tumida_ H. Allen, Proc. Acad. Nat. Sci.
Philadelphia, p. 286, type from Mirador, Veracruz.

_Range._--From Boca del Rio, Veracruz, in eastern Mexico, southward
over Mexico and Central America into Panama.

=Rhogeessa gracilis= Miller.

1897. _Rhogeessa gracilis_ Miller, N. Amer. Fauna, 13:126, October
16, 1897, type from Piaxtla, Puebla.

_Range._--Known only from the type locality and the Isthmus of
Tehuantepec.

_Transmitted November 30, 1951._

TABLE 1.--MEASUREMENTS OF RHOGEESSA FROM MEXICO

TABLE LEGEND

Column FO: Forearm
Column GR: Greatest length of skull including teeth
Column CO: Condylobasal length (not including teeth)
Column LE: Length of upper tooth-row, C1-M3
Column ZY: Zygomatic breadth
Column MA: Mastoid breadth
Column BR: Breadth across upper molars

======+===+========+===================+====+=====+====+=====+====+====+=====
No. |Sex| Date | Locality | FO | GR | CO | LE | ZY | MA | BR
------|---+--------+-------------------+----+-----+----+-----+----+----+-----
[A] | | |_Rhogeessa parvula | | | | | | |
| | | parvula_ | | | | | | |
| | | | | | | | | |
92413| ? |May 19, |Maria Madre | | | | | | |
| | 1897 | Island |26.0|11.25|10.5| 4.1 |....|6.1 | 4.7
7841| ? |....... |lost specimen-- | | | | | | |
| | | Tres Marias Ids. |27.4|.... |....|.... |....|....|....
84021|...|....... |alleged type of | | | | | | |
| | | _R. tumida_ |....|11.8 |10.9| 4.3 |....|6.2 | 4.9
24853|[F]|May 7, |W side | | | | | | |
| | 1948 | Alamos, Sonora |29.5|11.7 |10.8| 4.2 |7.8 |6.5 | 4.8
24854|[F]|May 7, |W side | | | | | | |
| | 1948 | Alamos, Sonora |29.0|11.4