+-----------------+---------+----------+----------+---------+-----------+ | | | | 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 | | Michoacán | | (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) | +-----------------+---------+----------+----------+---------+-----------+ | Sinaloa | 11 |71.9-81.3 |24.0-27.3 |70.5-78.1| 15.0-17.3 | | | | (77.3) | (25.7) | (73.4) | (16.1) | +-----------------+---------+----------+----------+---------+-----------+ All specimens from Michoacán and Colima more closely approach _Diaglena reticulata_ than _D. spatulata_. The acquisition of additional specimens, especially from the area between Sinaloa and Colima and from Guerrero, is necessary to determine the relationships among the various populations known at present. Both species of _Diaglena_ inhabit tropical scrub forest; none has been found in the more humid and tropical semi-deciduous forests. Humid forest replaces the scrub forest in the lowlands of southern Nayarit and northern Jalisco; possibly this forest acts as a barrier to the distribution of _Diaglena_ and thus serves as a divider between the ranges of _D. spatulata_ to the north and _D. reticulata_ to the south. ~Pternohyla fodiens~ Boulenger _Pternohyla fodiens_ Boulenger, Ann. Mag. Nat. Hist., ser. 5, 10:326, 1882.--Presidio, Sinaloa, México. Nueva Italia (2). These specimens (JRD 5994-5) were found on the road near Nueva Italia during a heavy rain on the night of August 25, 1960, by James R. Dixon. Both are females having snout-vent lengths of 64.0 and 59.0 mm. They are typical of the species as it is known from Sinaloa, Nayarit, Jalisco, and Colima.