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Show 1874.] MR. E. C. REED ON CHILIAN COLEOPTERA. 53 MoNOLOBUS TESTACEUS, Sol. I. C p. 189, t. 3. f. 5. A specimen of this species, taken by the late Dr. Jerman Krause, at Corral, in Valdivia, is in the collection of H . W . Bates, Esq. ANTARCTONOMUS PERONI. Antarctonomus peroni, Chaud. Bull. Mosc. 1861, ii. p. 519. Straits of Magellan. Subfamily TRACHYPACHIN^E. SYSTOLOSOMA BREVE, Sol. /. c. p. 242 (1849). Notioxenus bilunulatum, Motsch. Et. Entom. 1857, p. 111, t. i. f. 9. Common near the coast in the province of Valdivia and inChiloe, running rapidly in the sunshine. Subfamily CARABINE. CARABUS PSITTACUS. Carabuspsittacus, Gerstaecker, Linnaea Entom. xii. p.425, t. iv. f. 1. Southern Chili, " Unique, in the Berlin collection." There is a Carabus in the National Museum of Chili that, to a certain extent, resembles this species. It differs, however, in its longer elytra and slightly in marking; and as this species was described from a single specimen, I hesitate to describe a closely allied species without seeing more specimens. The specimen in the Museum was taken many years ago in the " Cordillera Pelada," in Valdivia; and although I have searched assiduously in the same locality, I have not been able to obtain more. CARABUS SYBARITA, Gerst. 1. c. p. 426, t. iv. f. 2. Southern Chili, "Unique, in Dohrn's collection." CARABUS BUQUETII. Carabus buquetii, Cast. Etud. Entom. i. p. 158, et Gerst. I.e. p. 428, t. iv. f. 4-11. Carabus chilensis, Guer. Gen. d. Ins. ii. N o. I, pi. 3. Carabus dorsiger, Motsch. Bull. Mosc. 1865, iv. p. 284. Carabus chiloensis, Hope, Trans. Entom. Soc. ii. p. 128. This species is very variable in size, in the form of the thorax, and in the degree of development of the " chain striae" of the elytra ; but it may always be distinguished from its nearest allies by the coarse punctation of the underside of the thorax. I have met with an extreme form which I was at first inclined to consider a separate species; it may be thus characterized :- CARABUS BUQUETII, var. ELEGANTISSIMUS. (Plate XIII. fig. 5.) Rather smaller and more slender than the ordinary form ; similar in colour except that the thorax is much darker, and its golden margin narrower or imperceptible. In form it is distinguished by the strikingly narrower thorax, the greatest width of which is near the |
