| 单词 | pachyderma |
| 例句 | In all of the species the tympanum is at least partially covered by a heavy, dermal supratympanic fold, and in some specimens of H. pachyderma the tympanum is completely obscured. A Review of the Frogs of the Hyla bistincta Group Breeding males of Hyla pachyderma have moderately large nuptial spines; the other species have small spines, except H. charadricola in which spines apparently are absent. A Review of the Frogs of the Hyla bistincta Group A well-defined thoracic fold is present in H. pachyderma, and a weak fold is present in H. robertsorum; the other species lack folds. A Review of the Frogs of the Hyla bistincta Group Remarks.—On the basis of the four specimens available for study, Hyla pachyderma seems to be closely related to Hyla crassa and Hyla robertsorum. A Review of the Frogs of the Hyla bistincta Group In the Hyla bistincta group, Hyla pachyderma is unique in having enlarged nuptial spines. A Review of the Frogs of the Hyla bistincta Group |
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