Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

556 catalogue — shells. 44. Ampullaria Cumingii. A. testa globosd, transversim striata, subalbidd, long itudinaliter casta- neo-lineatd etfasciatd, epidermide virescente ; umbilico parvo ; lat. Ws: ^o«o- ^'h: Po"- Habitat in Sinu PanamcB (Island of Saboga, in a small hill- stream). Mus. Brit, nost,, Brod. From Mr. Cuming's collection, I have named this shell after Mr. Cumingj from whom I received it. 43. Natica globosa. N. testd globosd, tenui, ventricosissimd, corned, vel subalbidd, subtilis' simi striatd; spird brevi ; umbilico parvo ; operculo valdi tenui long. -\^~ paulo plus ; lat. ^ ; poll. Habitat ad Jretum MageUanicum (Cape Gregory). Mus. Brit., nost., Brod. 46. Natica castanea. N. testd ovato-acutd castaned, albo-lineatd ; aperturd medincri ; co- lumelldvalde callosd; umbilico mediocri ; long.-\^; lat. ^; poll. Habitat ad Brasili/v oras, circa Santos. Mus. nost. 47. Turbo lugubris. T. testd nigricante, striatd ; aperturd argented ; labri margine nigrd, subcrenulatd ; operculo valde lapidoso, alio; long. 2^; lat. 2| fore; poll. Habitat ad Sinum Penas. Mus. Brit., nost., Brod. 48. Odontis subplicata. O. testd granuloso-striatd, viridi-fuscd, nigra maculatd; umbilico me- diocri; labri margine sub-plicato ; long, ig ; lat. \l paulo plus; poll. Habitat ad Brasiliam (Rio de Janeiro). Mus. Brit., nost. 49. LiTTORINA FLAVA. L. testd longitudinaliter striatd, sub-Jlavd ; spird brevi; anfractu basali ventricoso ; columellcB purpurascentis margine et aperturd sub-Jlavd; operculo nigricante; long. ^ paulo -plus; lat. -^g poll. Habitat ad Brasiliam (Rio de Janeiro). Mus. Brit., nost. In young shells there are a few obscure reddish brown streaks crossing the striae. 50. LiTTORINA PERDIX. L. testd striis elevatis balteatd, albidd, fusco -maculatd, striis intersti- tialibus minus elevatis, ambabus sub-cancellatis ; aperturd alba.