. The atoll of Funafuti, Ellice group: its zoology, botany, ethnology, and general structure based on collections made by Mrs. Charles Hedley, of the Australian museum, Sydney, N. S. W. 552 FUNAFUTI Fisr. 62. This, the largest species of the genus, seems very close to S. ciedonia, Watson, from which I separate it by the contracted zone beneath the fasciole, larger size and less development of spiral sculpture. SCHISMOPE PLICATA, Sp. HOV. (Fig. 62.) Shell large for the genus, thin, subglobose, flattened above. Colour cream. Whorls three, rapidly in- creasing. Earlier whorls wound in the
. The atoll of Funafuti, Ellice group: its zoology, botany, ethnology, and general structure based on collections made by Mrs. Charles Hedley, of the Australian museum, Sydney, N. S. W. 552 FUNAFUTI Fisr. 62. This, the largest species of the genus, seems very close to S. ciedonia, Watson, from which I separate it by the contracted zone beneath the fasciole, larger size and less development of spiral sculpture. SCHISMOPE PLICATA, Sp. HOV. (Fig. 62.) Shell large for the genus, thin, subglobose, flattened above. Colour cream. Whorls three, rapidly in- creasing. Earlier whorls wound in the same plane, the last steeply descending, sharply angled at the fasciole, compressed and then inflated beneath it. Umbilicus moderate in width, deep, with smooth walls. Sculpture—both above and below the fasciole the shell is ornamented by about twenty-two prominent longitudinal ribs, which project most beneath the fasciole half a whorl behind the mouth, from thence on they diminish considerably. These are overridden by close, sharp, raised, spiral lines, which cross the interstices and denticulate the crests of the ribs. Slit pointed anteriorly, rounded posteriorly, in length about a sixth of the circumference of the shell. The fasciole, a broad gutter with raised margins, its trough septate by continuations of the longitudinal ribs, ascends the spire for a whorl and a half, as in other Pacific species. Aperture ovate, columella slightly reflected. Major diameter 2-3, minor 1*7; height 2 mm. Dredged off Beacon Islet (Funamanu), in 150 fathoms, and off Tutaga in 150 and 50 - 60 fathoms. This species stands nearest to S. ferriezi, Crosse, from which it is clearly distinguished by a more elevated spire, coarser sculpture and larger size. Teinostoma qualum, var. paucicostaium, var. nov. (Fig. 63.) Under this varietal name is distinguished a specimen, which, though probably imma- ture is larger than the type, measuring in major diameter 2 and in minor 1*32 mm. It has the same det
Size: 1734px × 1440px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublishersydne, bookyear1896
