238 Mr. A. G. Butler on Lepidoptera centrum gives off rays on one side only and on the other side receives rays only. It then, when isolated, much resembles the stellates of Holasterella, Carter, / â– The accompanying rough sketch, made by camera lucida, illustrates this mode of union. In some parts of the section, marked o, the razor has cut away the centrum of a corpuscle, leaving, however, the spines, which thus remain to indicate its position. As the specimen from which the section was taken had been boiled in caustic potash, the rays of the corpuscles shown in the figure are not so long as in untreated specimens ; in my extended paper careful drawings will show the rays complete up to their natural terminations. XXI. — Lepid<>2<t< ra collected by Mr. C. M. Woodford in the EUice and Gilbert Islands. By ARTHUR G. BUTLER, F.L.S., F.Z.S., &c. The species here enumerated were obtained in Nukufetau (Ellice group), and Tarawa and Tapetewea (Gilbert group). They are chiefly interesting as adding to our knowledge of the fauna of these islands. RlIO PALO CERA. Nymphalidae. 1. Junonia villida. Papilio villida, Fabricius, Mant. Ins. ii. p. 35. n. 366 (1787) ; Donovan, Ins. New Holl. pi. 25. fig. 3 (1805). $ . Nuk ufetau and Tapetewea.
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