and the ground color has an
olive-green tint. _Diaglena reticulata_ also differs from _D.
spatulata_ in having a larger over-all size, slightly broader head, a
narrower interorbital distance, and a more pointed snout with a deeper
labial shelf (Table 4). The specimens from Ostula and Colima are
intermediate between _D. reticulata_ from Oaxaca and _D. spatulata_ from
Sinaloa in body proportions.

Of three specimens from the Tepalcatepec Valley (JRD 5991-3), only two
are suitable for measuring. These specimens are smaller than adults from
the coastal areas and have broader heads and snouts, but narrower
interorbital distances, than specimens in the other samples (Table 4).
The texture of the skin is like that of specimens from Ostula and
Colima. The coloration resembles that of _D. reticulata_, but the
reticulations are bold and form indistinct bands on the hind limbs.

TABLE 4.--COMPARISON OF FOUR CHARACTERS IN FIVE SAMPLES OF DIAGLENA.
(ALL DATA ARE FOR MALES; MEANS GIVEN IN PARENTHESES BELOW RANGES.)

+-----------------+---------+----------+----------+---------+-----------+
| | | | Head | Inter- |Internarial|
| | | | width | orbital | distance |
| | Number |Snout-vent| |distance | |
| Locality | of | length |----------+---------+-----------+
| |specimens| |Snout-vent| Head | Head |
| | | | length | width | width |
+-----------------+---------+----------+----------+---------+-----------+
| Oaxaca | 9 |71.1-87.5 |25.4-29.1 |63.0-71.4| 11.9-13.8 |
| | | (80.7) | (27.9) | (67.1) | (12.9) |
+-----------------+---------+----------+----------+---------+-----------+
| Coast of | 5 |72.0-79.2 |24.3-27.2 |67.0-73.8| 13.7-14.4 |
| Michoacan | | (74.8) | (25.6) | (71.4) | (14.1) |
+-----------------+---------+----------+----------+---------+-----------+
| Colima | 4 |71.7-79.6 |26.1-28.6 |70.5-75.3| 16.0-17.9 |
| | | (74.8) | (27.4) | (72.0) | (16.6) |
+-----------------+---------+----------+----------+---------+-----------+
| Tepalcatepec | 2 |63.0-65.4 |28.3-32.2 |57.3-62.4| 17.0-20.2 |
| Valley | | (64.2) | (30.3) | (59.9) | (18.6) |
+-----------------+---------+-------