. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 3o8 ANNALS OF THE SOUTH AFRICAN MUSEUM sion of perisarc sometimes present over the base. Young hydranths have a single verticil of about 8 tentacles, older ones have a second verticil of smaller tentacles developing slightly proximal to the first and alternating with them. Gonophores arising separately from the hydrorhiza on slender pedicels, developing into free medusae. The young gonophore is pear-shaped, flattened at the summit and narrowing towards the base where it merges gradually into the pedi
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 3o8 ANNALS OF THE SOUTH AFRICAN MUSEUM sion of perisarc sometimes present over the base. Young hydranths have a single verticil of about 8 tentacles, older ones have a second verticil of smaller tentacles developing slightly proximal to the first and alternating with them. Gonophores arising separately from the hydrorhiza on slender pedicels, developing into free medusae. The young gonophore is pear-shaped, flattened at the summit and narrowing towards the base where it merges gradually into the pedicel which is only about 0*02 mm. in diameter. The whole structure is completely enveloped. Fig. 3. Podocoryne nassa n. sp. A, portion of colony on snail-shell, drawn from preserved material. B-D, stages in the development of the 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 South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
