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Show 64 MR. E. C. REED ON CHILIAN COLEOPTERA. [Jan. 6, distinct hind angles to the thorax; and the sutural and ninth striae only are deeply impressed throughout. In some examples there is a long- and fine scutellar striole exterior to the sutural striae. Dejean had only one example. Southern Chili. BRADYCELLUS TIBIALIS, Sol. I. c. p. 268 (Acupalpus). Very similar to B. unistriatus, but much smaller, with black femora and rounded hind angles to the thorax. Central Chili. BRADYCELLUS CHILENSIS. Bradycellus chilensis, Dej. I. c. p. 850 (Acupalpus); Sol. I. c. p. 271 (Acupalpus). Common throughout Chili. BRADYCELLUS ARCOBASIS, Sol. I. c. p. 270 (Acupalpus). Differs from B. chilensis almost solely in its larger size. Equally common. Obs.-All the above species have a distinct tooth in the emargi-gination of the mentum, and therefore belong to the genus Bradycellus of modern authors, and not to Acupalpus. The males have the anterior tarsi only very slightly dilated ; and when there is a scutellar striole, it is always exterior to the first stria. ACUPALPUS (?) PALLIDUS, Sol. 1. c. p. 264. ACUPALPUS (?) BIFOSSULATUS, Sol. I. c. p. 266. I have not been able to recognize either of the above among the large series of this group which I have collected in Chili; I do not know, therefore, whether they really belong to the genus Acupalpus. Subfamily TRECHIN^E. M E R I Z O D U S ANGUSTICOLLIS, Sol. /. c. p. 186. This genus is very closely allied to Odpterus of New Zealand ; and I am informed by Mr. II. W . Bates that his Odpterus maceyi, from the Falkland Islands, is a Merizodus, having a bifid tooth to the mentum ; in Odpterus this tooth is simple. This species is not uncommon in Southern Chili. TRECHUS CHLOROTICUS, Putzeys, Stett. Zeit. 1870, p. 19. TRECHUS FERRUGINEUS. Trechus ferrugineus, Brulle', D'Orb. Voy. Ins. p. 43; Putz. I. c p. 20. TRECHUS RUFICOLLIS, Putz. /. c. p. 31. TRECHUS OBSCURICORNIS, Putz. I. c. p. 32. TRECHUS CYCLOPTERUS, Putz. /. c. p. 40. |