| OCR Text |
Show 1873.] ZEPHRONIA AND SPHcEROTHERIUM. 173 Zephronia rotundata, Gervais, Ann. Sc. Nat. 2nd ser. vii. p. 42 (1837). South Africa (Sir Andrew Smith). B.M. 2. SPHCEROTHERIUM GLABRUM, n. sp. (PlateXIX. figs. 1, la.) Pale castaneous, with head, nuchal plate, and posterior margins of dorsal segments dark castaneous, almost pitchy. Head smooth, shining, with two broad longitudinal sulcations, above and between which is a small reniform depression ; coarse punctures sparsely distributed all over, excepting in the centre; nuchal plate smooth, flattened, with indistinct series of punctures in front; dorsal segments smooth, shining, their lateral wings coarsely punctured, especially in front; last segment coarsely and somewhat densely punctured all over, with central area somewhat tumid and outer edge projecting, especially in the centre, so as to form a sloping and consequently indistinct rim. Length 1 inch 10 lines, width 1 inch 1 line. Madagascar. Two specimens. Coll. Saunders. Allied to S. rotundatum and obtusum. 3. SPHcEROTHERIUM PUNCTULATUM. Sphaerotherium punctulatum, Brandt, Bull. Acad. St. Petersb. 1841 ; Rec. M e m . Myriap. p. 179. " Head subrugose, entirely marked with very close punctuations. Collar subrugose, with punctuations arranged in a row in front and scattered above. First dorsal segment and the following marked with very dense punctuations, visible to the naked eye. Last segment marked with more numerous punctuations than the others, swollen behind and thickened. No shining lines upon the centre of the last dorsal segments. Colour olivaceous ; hind margins of the segments ferruginous." Cape of Good Hope (Brandt). Appears to be referable to this section, and seems almost identical with S. obtusum. 4. SPHcEROTHERIUM OBTUSUM. Sphaerotherium obtusum, Koch, Myriapoden, i. p. 5, pl. 2. f. 5 (1863). Port Natal (Gueinzius). B.M. Sect. b. Anterior portion of the last segment not thickened. 5. SPHcEROTHERIUM NIGRUM. Sphaerotherium nigrum, Butler, Ann. & Mag. Nat. Hist. ser. 4, vol. x. p. 359. n. 4, pl. 18. fig. 11 (1872). South Africa (Sir Andrew Smith). Type, B.M. 6. SPHcEROTHERIUM GROSSUM. Sphaerotherium grossum, Koch, Myriapoden, i. p. 5, pl. 2. f. 6 (1863). Cape of Good Hope (Koch). |
