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Show 178 MR. A. G. BUTLER ON THE GENERA [Feb. 4, 26. SPHcEROTHERIUM STIGMATICUM, n.sp. (Plate XIX. fig. 3.) Dull testaceous; eyes, antennae, and legs greenish olivaceous. Head smooth, shining in front and coarsely punctured, deep y sinuated behind ; nuchal plate smooth, with central area slightly projecting and forming a double oval; dorsal segments depressed, smooth, scarcelv perceptibly punctured behind, their lateral wings finely but dens'elv punctured ; last segment finely rugose, shining behind, somewhat compressed at the sides; its posterior margin somewhat projecting, and just above it a well-marked subtriangular raised spot. Length 1 inch 4 lines, width 9 lines. Madagascar. Two examples. Coll. Saunders. Evidently allied to S. titanus, but having the dull aspect of Zephronia innominata. The following species are of doubtful location :- 27. SPHcEROTHERIUM OVALE. Julus ovalis, Linnaeus, Amoen. Acad. iv. p. 253. n. 36, pl. 3. f. 4 (1788). Julus ovatus, Fabricius, Sp. Ins. i. p. 528. n. I. China. This species, unless the type turns up, will never be identified with certainty. It appears to be a narrow species, probably not unlike Zephronia innominata in form. 28. SPHcEROTHERIUM GRONOVII. Spheerotherium gronovii, Brandt, Rec. M e m . Myriap. p. 180. Oniscus cauda subrotundato, fyc, Gronov. Zooph. p. 233. n. 995, pl. 17. f. 4, 5 (1764). Julus ovalis, Latreille, Hist. Nat. des Crust, et Ins. vn. p. 64. n. 1, pl. 59. f. 5, 6. " Seas of Norway and England " (Gronov). But for the antennae, which are those of a Spheerotherium, this might have been identified with Zephronia chitonoides. It is probably allied to S. neptunus. Genus ZEPHRONIA, Gray. Div. 1. Species with teeth on back of head. 1. ZEPHRONIA BRANDTII. Spheeropceus brandtii, Humbert, Myr. de Ceylan, in Mem. de la Soc. Phys. et d'Hist. Nat. de Geneve, xviii. pt. i. p. 38, {Zephronia bi] pl. 3.f. 15(1865). Ceylon (Thwaites $• Purdie). B.M. 2. ZEPHRONIA CHITONOIDES. Zephronia chitonoides, Butler, Ann. & Mag. Nat. Hist. ser.4, vol. x. p. 354.ii. l,pl. 18. f. 2, 2a (1872). Madras and Ceylon (Sir A. Smith). Type, B.M. |