. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. RIGHT-HANDED ^pore c LEEWARD £ "O. GON I gz4|t g % ...,-. LEE BRANCH 8 # °:& GROUP I ORAL. Text-fig. 21. Physalia physalts. Orientation of specimens, left-handed A, B, E and F, right-handed C and D. B and D = separated cormidia of left- and right-handed specimens: group 1 at the oral end is the oldest. Outline of A drawn from life at Arrecife. Other diagrams, schematic. F = part of a lower wall of a left-handed specimen showing a single cormidium and lee-branch. In 1932 Okada repeated S
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. RIGHT-HANDED ^pore c LEEWARD £ "O. GON I gz4|t g % ...,-. LEE BRANCH 8 # °:& GROUP I ORAL. Text-fig. 21. Physalia physalts. Orientation of specimens, left-handed A, B, E and F, right-handed C and D. B and D = separated cormidia of left- and right-handed specimens: group 1 at the oral end is the oldest. Outline of A drawn from life at Arrecife. Other diagrams, schematic. F = part of a lower wall of a left-handed specimen showing a single cormidium and lee-branch. In 1932 Okada repeated Steche's scheme of diagrammatic representation of the arrangement of cormidia, again with little success. Okada, who must have seen more of the very early developmental stages than anyone before him, said (1935) that a fairly large number occurred in the plankton taken at the Sete Marine Laboratory of Kyoto University in the spring of 1934, and that by comparing them with one another he could deduce the order in which the polyps and tentacles were budded. Unfortunately he did not enlarge on the subject in his short communication. The figures b, c and d of his fig. 1 are all labelled to show that gastrozooid number 1, the earliest to appear, lies on the oral side of the main tentacle, and gastrozooid number 2 on the oral side again of number 1. Okada's figures c and d both show gastrozooid number 3 on the aboral side of the main tentacle. In his 1932 paper Okada had indicated the same order of appearance, based on the degree of development of gastrozooids in a young specimen whose float-length was 2-5 mm. In addition, he indicated that gastrozooid number 4 appeared aborally to number 3, and that number 5 appeared between numbers 1 and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Institute of Oceanogra
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