Memoirs of the National Academy of Sciences . uding the form of the eyes, of the clypeus and of the labrum, which,however, in the Isychidre is more distinct from the clypeus, though inSolotohia it is nearly as separate. The shape of the cases of the maxillary palpi of Psyche {/raminella,{(Eccticus ahhoiii, flg. 28), and 2letrua clonf/aia is as iu Solenohia icahhcllaand *S. pineti. The maxilhe {\), fairly well developed in the Psychida^, aremuch as in Solcitohia icalsliella. The labial palpi (whr.^j.), though ^aryingmuch in the different genera of Psychida^, are essentially as in

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Memoirs of the National Academy of Sciences . uding the form of the eyes, of the clypeus and of the labrum, which,however, in the Isychidre is more distinct from the clypeus, though inSolotohia it is nearly as separate. The shape of the cases of the maxillary palpi of Psyche {/raminella,{(Eccticus ahhoiii, flg. 28), and 2letrua clonf/aia is as iu Solenohia icahhcllaand *S. pineti. The maxilhe {\), fairly well developed in the Psychida^, aremuch as in Solcitohia icalsliella. The labial palpi (whr.^j.), though ^aryingmuch in the different genera of Psychida^, are essentially as in the Talwpoiida:Compare those of Psyche, GEceticus, and Entometa with those of TalcvporiapscHdoliomhyceUa. Those of IMatoceticus are longer tlian in tlie other Psy-chida% but still more rudimentary than iu Soleiiobia. In regard to the shape of the maxillarypalpi, which unite, forming a continuous bar or piece in front of the labrum, Thyridopteryx (), ) differs fron other Psychidie and approximates to certain Hepialidte (fig. 33)..

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