Proceedings of the United States National Museum . 1. Plate 9 Figs. 1,9. Turritella planigyrata Guppy. Fig. 1, cotype; alt, 41 mm.; U. Mus. Cat. No. 115626; fig. 9, basal whorls of a specimen fromstation 9195, Spriugvale, near Couva; diameter 23 mm.; page , 3, 4. Petaloconchus alcimus, new species; cotypes. Fig. 2, early spiralcoils; fig. 3, later spirals; fig. 4, shows two internal laminae,page ,6. TurritcUa montserratensis, new species; cotypes. Length of speci-men (fig. 5), 10 mm.; fig. 6, 39 mm.; page ,8. TurritcUa aft. T. perattenuata praeceUens Pilsbry and Brown;page 5

---

Proceedings of the United States National Museum . 1. Plate 9 Figs. 1,9. Turritella planigyrata Guppy. Fig. 1, cotype; alt, 41 mm.; U. Mus. Cat. No. 115626; fig. 9, basal whorls of a specimen fromstation 9195, Spriugvale, near Couva; diameter 23 mm.; page , 3, 4. Petaloconchus alcimus, new species; cotypes. Fig. 2, early spiralcoils; fig. 3, later spirals; fig. 4, shows two internal laminae,page ,6. TurritcUa montserratensis, new species; cotypes. Length of speci-men (fig. 5), 10 mm.; fig. 6, 39 mm.; page ,8. TurritcUa aft. T. perattenuata praeceUens Pilsbry and Brown;page ,11. TurritcUa caparonis Maury; figured specimens; page 53. Plate 10 Figs. 1, 3. Adeorhis ffuppyi, new species; type; greatest diameter, mm.;page , 5. TurritcUa, species cf. T. aJtilira, var. chiriquiensis Olsson (X3),. page , 6. Amauropsis trinitatensis, new species; type: alt. 45 mm., page 58. 7, 8. CalUostoma attrina, new species; type; alt. 13 mm.; page —25 5 O U. S. NATIONAL MUSEUM PROCEEDINGS, VOL. 66. ART. 22 PL. I.

---

Size: 1690px × 1478px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience