. Fig. 33. A. Beania inermis var. unicornis St. WS 84, Falkland Islands. One zooecium with parts of adjacent zooecia sketched. B, C. B. costata var. maxilla (Jullien). St. WS 85, Falkland Islands. B. Ancestrula and one zooecium. The dotted line outlines the area of fixation of the ancestrula. The operculum of the ancestrula is incomplete. C. Operculum in frontal view. opercular spine, r. rootlet. A fragmentary specimen in the Terra Nova collection agrees exactly with Beania dis- codermiae as described by Harmer. The reasons for regarding B. costata MacGillivray as a possible syno
. Fig. 33. A. Beania inermis var. unicornis St. WS 84, Falkland Islands. One zooecium with parts of adjacent zooecia sketched. B, C. B. costata var. maxilla (Jullien). St. WS 85, Falkland Islands. B. Ancestrula and one zooecium. The dotted line outlines the area of fixation of the ancestrula. The operculum of the ancestrula is incomplete. C. Operculum in frontal view. opercular spine, r. rootlet. A fragmentary specimen in the Terra Nova collection agrees exactly with Beania dis- codermiae as described by Harmer. The reasons for regarding B. costata MacGillivray as a possible synonym of B. discodermiae are given on p. 409 above.
Size: 2463px × 2029px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
