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Show 520 DR. A. GUNTHER ON A ZOOLOGICAL [June 23, V. CRUSTACEA. By R. INNES POCOCK. All the species are Indo-Pacific forms. Fam. CANCRID-E. ACT_EA NODULOSA (White). A single male specimen. ERIPHIA L_EVIMANUS (Latr.). A single female specimen. Fam. GECARCINIDJE. GECARCINUS, sp. ? A single young imperfect male specimen. Fam. PAGURID_E. BIRGUS LATRO (Linn.). Two specimens. CALCINUS TIBICEN (Herbst). Four specimens. CCENOBITA RUGOSA (M.-Edwards). Four specimens. COENOBITA RUGOSA (M.-Edwards), var. Four specimens. CCENOBITA PERLATA (M.-Edwards). One specimen. A single specimen of a Scorpion, Hormurus australasice (Fabr.), was also in the collection. VI. COLEOPTERA. By C. O. WATERHOUSE. Several specimens of Coleoptera were collected; but as the majority belong to widely spread genera the species of which are most difficult of discrimination, I must limit myself to the description of the tuo following new species. CHRYSODEMA SIMPLEX, sp. n. Viridi-aurata; thorace cyaneo-viridi, linea mediana lavi, laterali rotundata cuprea confertim rugulosa ; elytris costatis, costa marginali viridi ; femoribus tibiisque cupreis. Long. 12| lin. Resembles G. auroplagiata, Deyr. (having the thoracic impressions nearly round and very sharply defined), but at once distinguished by the elytra having no lateral impression. The thorax is of a dark blue-green, with golden-green punctures, and a line of green on each side of the smooth median line. The punctures on the disk are not so numerous as in C. auroplagiata. The lateral rugose coppery impressions are round, relatively rather smaller than in C. auroplagiata, with the lateral margin distinctly elevated. The elytra appear golden green or slightly coppery according to the position of the light; there is a distinct green tint below the scutellum. The costae are very slightly raised, the 2nd, 4th, and 6th more distinct posteriorly ; the sublateral costa is smooth and bright green, the margin of the elytra (beyond the costa) golden. Prothoracic episterna somewhat golden, tinted with coppery and green in parts ; the |