Zoological classification : a handy book of reference with tables of the subkingdoms, classes, orders, etc., of the animal kingdom, their characters and lists of the families and principal genera / [Francis Polkinghorne Pascoe].

  • Francis Polkinghorne Pascoe
Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: Zoological classification : a handy book of reference with tables of the subkingdoms, classes, orders, etc., of the animal kingdom, their characters and lists of the families and principal genera / [Francis Polkinghorne Pascoe]. Source: Wellcome Collection.

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    Order III. CALYPTOBLASTEA. Sertularida. Campanularida. Diplomorpha. Thecaphora. SCENOTOCA. Polypites connected by a coenosarc, and invested by an unor- ganized cbitinous excretion [polypary or perisarcj. Hydrothecas and gonangia present. Plant-like organisms often taken for seaweed, and always attached to some foreign body. The reproductive elements are matured in the gonophore or, in some cases, free medusiform zooids are produced. The capsule or gonotheca is the chitinous receptacle in which the gonophores are formed. A tubular or cup-shaped extension of the polypary, in which thread-cells [nematophores] are sometimes imbedded, is charac- teristic of the Plumulariidm. In Ophiodes Hincks describes certain snake-like organs (eceno- sarcal appendages) distributed upon the creeping stolon; “they are vigorous in their movements, capable of enormous elongation, and surmounted by a large capitulum thickly covered with thread- cells.” They act as organs of defence and in the capture of food. Obelici geniculata is a phosphorescent species, as are also some others of this order. A new order—Thecomedusas—has been founded by Allman on a remarkable form, Stephanoscyphus mirabilis, found by him at Antibes, imbedded in the substance of a sponge; but whether the association was one of parasitism, or merely accidental, it was impossible to say. Campanulariidce. Clytia. Campanularia. Obelia = Laomedea. Gonothyi’ea. Thaumantias. Gamparudinidce. Campauulina. Leptoscypkid<s. Leptoscyphus. Lafoeidcs. Lafoea. Salacia. Trichydridce. Trichydra. CoppiniidcB. Coppinia. Haleciidce. Halecium. Ophiodes. JEquorcida. yEquorea. Sertulariidce. Sertularia. Diphasia. Ilydnillmania. Thuiaria. Plumulariidcs. Plumularia. Antennularia. Aglaophenia.