. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 624 YAICHIRÔ OKADA : are provided with an elongate subtriangular mandible pointed and curved at the extremity. All avicularia of the species have a small and inconspicuous avicularian gland of a globular shape and are furnished with two retractor muscles attached to the lower margin of mandible. i2. Metepora kinoshitai, n. sp. Pl. VIII., fig. 7 ; textfig, 4. Zoarium erect, sometimes slightly decumbent, spreading in a plane from a common peduncle which expands below into a non-celliferous base for attachment. Branches numerous, dic
. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 624 YAICHIRÔ OKADA : are provided with an elongate subtriangular mandible pointed and curved at the extremity. All avicularia of the species have a small and inconspicuous avicularian gland of a globular shape and are furnished with two retractor muscles attached to the lower margin of mandible. i2. Metepora kinoshitai, n. sp. Pl. VIII., fig. 7 ; textfig, 4. Zoarium erect, sometimes slightly decumbent, spreading in a plane from a common peduncle which expands below into a non-celliferous base for attachment. Branches numerous, dichotomous, dorsoventrally flattened, broadest in basal parts, non-reticulating, conically rounded at the free end. Zooecia rhomboidal, alternately disposed ; the ventral surface irregularly nodulous, sparsely perforated by pores. Zooecial aperture small, nearly semi- circular, the curved lower margin with a distinct labial fissure. In the younger zooecia (textfig. 4 a.) and also in those situated on the lateral sides of branches, the marginal wall of the aperture forms, on each side and at the upper end of the cell margin, an angular process bearing a small spine at the apex. Operculum broad- ly semicircular, with moderate- ly thick sclerite (c). Avicularia immersed, present in three kinds : small, medium sized, and large. The small avicu- larium (e) is the commonest, Fig. Yig. 4. Retepora kinoskitai, n. sp. a. Ventral view of zooecia. X30. b. Zooecium with ooecium. X30. C Operculum showing two opercular glands. X200. d. Frontal larger avicularian mandible with two retractor muscles and an avicularian gland. x 200. e. Oral avicularian mandib'.e with retractor muscles and an avicularian gland, x 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 Nihon Do?butsu Gakkai; To?kyo? Do?butsu Gakkai. Tokyo : S
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Keywords: ., bookcentury1800, bookcollectionbiod, bookdecade1890, bookyear1897
