Middle American Frogs of the Hyla microcephala Group

by William Edward Duellman; M. J. Fouquette

Fig. 1. Map showing locality records for Hyla microcephala.

Table 1.

—Variation in Certain Measurements and Properties in the Hyla microcephala Group. (All Data Based on Adult Males;

Mean and Standard Error of Mean Below Observed Range.)

Locality	N	Snout-vent length (S-V L)	Tibia length S-V L	Foot length S-V L	Head length S-V L	Head width S-V L	Tympanum Eye
	H. m. microcephala
Panamá: Canal Zone	25	21.5-24.1	50.2-56.0	40.9-46.6	28.5-32.8	28.1-30.9	44.0-54.1
		22.8±0.20	52.9±0.37	43.5±0.28	31.0±0.22	29.4±0.11	49.0±0.55
Costa Rica: Golfito	25	18.5-24.5	49.1-54.4	41.8-48.0	30.2-35.5	29.0-32.7	40.0-57.8
		22.4±0.27	51.6±0.26	45.1±0.32	33.1±0.25	30.8±0.16	48.4±1.10
	H. m. underwoodi
Nicaragua: La Cumplida	25	23.0-25.6	51.0-55.7	41.3-46.5	29.7-33.5	28.9-31.8	42.3-60.0
		24.1±0.19	52.9±0.25	43.7±0.25	31.6±0.19	30.4±0.17	49.3±0.97
Guatemala: Finca Chamá	25	21.8-25.0	51.0-57.2	41.2-47.8	30.8-35.3	29.6-33.6	37.5-56.4
		23.5±0.16	54.3±0.39	44.4±0.30	33.0±0.16	31.3±0.36	45.2±0.89
Tabasco: Teapa	25	22.7-25.8	48.0-54.5	40.7-46.8	29.5-33.0	28.7-31.8	40.7-53.8
		24.3±0.14	51.5±0.29	43.3±0.25	31.7±0.17	30.3±0.16	45.5±0.38
Oaxaca: Donají-Sarabia	25	22.1-25.9	49.8-55.6	40.5-46.6	30.4-34.8	28.9-32.6	37.0-54.1
		23.8±0.19	52.8±0.33	43.4±0.27	32.8±0.19	30.8±0.17	45.1±0.76
Veracruz: Alvarado	25	21.9-25.4	49.6-54.4	40.7-47.5	29.9-33.8	29.1-32.9	40.7-53.8
		24.1±0.17	51.1±0.28	42.6±0.34	31.4±0.18	30.5±0.17	46.6±0.65
	H. robertmertensi
Guatemala: La Trinidad	21	21.8-24.6	47.1-52.8	40.9-51.3	30.0-33.3	27.3-29.8	44.4-50.0
		23.4±0.15	49.9±0.34	43.5±0.17	31.3±0.20	28.5±0.23	47.4±0.46
Chiapas: Acacoyagua	25	21.4-25.7	47.8-52.4	41.7-46.3	29.1-32.7	26.0-30.3	42.8-53.8
		24.1±0.20	50.4±0.45	43.9±0.23	31.2±0.29	28.1±0.20	46.5±0.50
Oaxaca: Tapanatepec	25	22.4-26.4	44.1-48.3	39.1-44.5	26.1-30.4	25.4-28.1	45.8-58.3
		24.7±0.18	46.4±0.23	41.7±0.23	28.4±0.16	26.8±0.14	52.9±0.77
	H. phlebodes
Panamá: Canal Zone	25	19.6-23.2	49.1-56.9	41.9-47.1	33.6-37.4	32.3-36.0	37.9-46.4
		22.2±0.16	52.8±0.35	45.4±0.26	34.8±0.18	33.8±0.18	41.6±0.49
Costa Rica: Turrialba	25	19.7-23.6	47.4-55.7	38.1-46.4	32.6-35.9	30.5-35.0	35.7-48.2
		22.0±0.18	51.1±0.35	42.8±0.38	34.1±0.16	32.9±0.17	40.1±0.53
	H. sartori
Guerrero: Tierra Colorada	25	23.7-26.0	47.2-51.4	42.4-47.8	29.4-31.8	28.9-31.0	42.3-52.0
		24.8±0.13	49.6±0.23	45.2±0.27	30.6±0.13	30.0±0.12	47.4±0.59