. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. i38 ANNALS OF THE SOUTH AFRICAN MUSEUM the lirae. Sulcus J length of whorl, scarcely concave, with fine spiral lirae 2 on 1 st and 2nd whorls, 3 on 3rd and 4th. Lip sinus deep, adjoining suture. Outer Up submarginally incrassate. 7-5 X 3*5 mm. Buff. Off Gove Rock (East London area), 80-130 fathoms, one dead (S. Afr. Mus. A8714, Coll.). Remarks. Similar to lea but proportionately broader; the larger proto- conch also indicates a different species. The lirae are sharply defined and well separated,


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. i38 ANNALS OF THE SOUTH AFRICAN MUSEUM the lirae. Sulcus J length of whorl, scarcely concave, with fine spiral lirae 2 on 1 st and 2nd whorls, 3 on 3rd and 4th. Lip sinus deep, adjoining suture. Outer Up submarginally incrassate. 7-5 X 3*5 mm. Buff. Off Gove Rock (East London area), 80-130 fathoms, one dead (S. Afr. Mus. A8714, Coll.). Remarks. Similar to lea but proportionately broader; the larger proto- conch also indicates a different species. The lirae are sharply defined and well separated, without intermediaries. Close to diasi but whorls more convex. Drillia pselia n. sp. Aperture subequal to spire. Protoconch 2 whorls, diam. 1 mm., smooth. Postnatal whorls 4, profile convex. Spiral lirae 2 on first quarter of 1st whorl, 3 on remainder, 3 on 2nd, 4 on 3rd, and by duplication and interpolation 6 on last whorl; slight thickenings or nodules appear on the lirae on 2nd and 3rd whorls, but there are no definite axial ribs; at least 25 fine additional lirae on base. Growth-lines for the most part obscure. Sulcus about J length of whorl, with 2 spiral lirae on 1st whorl, 3 on 2nd, 4 on 3rd and 4th. Lip sinus deep, adjoining suture. 11 X4#5 mm. Buff. Off Cape St. Blaize, 125 fathoms, one and 2 broken specimens (S. Afr. Mus. A8715, Coll.). Remarks. A species with sculpture similar to that of lea but larger, and with larger protoconch. Drillia (Cymatosyrinx) eva Thiele Fig. 20 (right) 1925. Thiele. D. Tie/see Exp., xvii, p. 228, pi. 37 (25), fig. 9. Aperture if in spire. Protoconch 1J whorls, diam. 0-5, alt. o-6 mm., smooth, polished. Postnatal whorls 5. Broad oblique axial ribs, wider than the deep intervals, 12 on last whorl, upper ends becoming increasingly pro- minent forming a coronate shoulder. No spiral sculp- ture. Sulcus deeply concave. Lip sinus deep, adjoining suture. 7x2-5 mm. (Thiele and S. Afr. Mus.). 350 16' S., 220 26' E. 155 metres (Thiele). Off Cap


Size: 1349px × 1853px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky