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Show 154 MR. H. W. BATES ON COLEOPTERA [Feb. 20, XYLOTRUPES GIDEON, Linn. Syst. Nat. i. 2, p. 541. Half a dozen specimens, of both sexes; the males in different stages of development as regards the cephalic and thoracic horns; compared with individuals from Flores, Penang, & c , I perceive no difference worthy of mention, although Philippine and Australian specimens differ very considerably. The typical X. gideon inhabits Java. PH^EOCHROUS. A species not at present determinable, the single specimen agreeing with others I have received from Marquis Doria as found by Dr. Beccari at the Aru Islands. Fam. LUCANID^E. C L A D O G N A T H U S BISON, Olivier, Entom. i. 1, p. 13, tab. 3. f. 6. Two specimens. The species is found in Amboyna and Celebes, and, if Cl. cinctus of Montrouzier is but a slight var., as Major Parry believes, also in N e w Guinea, Kei Is., Aru and Woodlark Island. EURYTRACHELUS THOMSONI?, Parry, Trans. Entom. Soc. vol. ii. 3rd ser. p. 47. One male example of a species of this genus, agreeing with the description above quoted in the polished disk of the elytra. It differs, however, in various other points, so as to leave the determination uncertain. PASSALUS. There is in the collection a species, of this or an allied genus, which cannot at present be determined. Fam. BUPRESTID^E. CYPHOGASTRA. A species of this genus, which I am informed is about to be described by Dr. Gestro, from New-Guinea examples. Fam. CLERID^E. CYLIDRUS VESCOI, Fairmaire, Rev. et Mag. Zool. 1849, p. 361. One example, known previously only from Tahiti. Fam. CURCULIONID^E. PACHYRHYNCHUS BIPLAGIATUS. (Plate XXIV. fig. 3.) Pachyrhynchus biplagiatus, Gue'rin, Rev. Zool. 1841, p. 216. One example. Found also in the Solomon Islands. PACHYRHYNCHUS VERRUCATUS, n. sp. (Plate XXV. fig. 3.) JEneo-niger, politus, pedibus sparsim griseo-hirtis; thorace ob-longo- ovato, lateribus sparsim, linea dorsali impressa dense argenteo-squamosis; elytris globoso-ovatis, thorace duplo la- |