. The British Tunicata; an unfinished monograph. Sea squirts; Tunicata. 116 BRITISH TUNIC ATA. by the shagreening of the test, which is best seen when the surface is dry; it then appears covered with minute shining facets. X. gmnuhtta may also be distinguished from 8. sulcata by its shorter tubes and smaller aper- tures. It appears to be pretty-widely distributed on the British FIG. 66.—Digestive organs (on left) and reproductive organs (on right) of Styela granulata. Magnified, Biliary duct. 10. Styela humilis */>. nov. (PI. XXXIX, fig. 7 ; PI. XLVIII, fig. 13.) [Cynfltia


. The British Tunicata; an unfinished monograph. Sea squirts; Tunicata. 116 BRITISH TUNIC ATA. by the shagreening of the test, which is best seen when the surface is dry; it then appears covered with minute shining facets. X. gmnuhtta may also be distinguished from 8. sulcata by its shorter tubes and smaller aper- tures. It appears to be pretty-widely distributed on the British FIG. 66.—Digestive organs (on left) and reproductive organs (on right) of Styela granulata. Magnified, Biliary duct. 10. Styela humilis */>. nov. (PI. XXXIX, fig. 7 ; PI. XLVIII, fig. 13.) [Cynfltia Iti/mi/ix ALDER MS. sp. in Ansted's Channel Isl. (1862), p. 219.] Body elongate, conical, closely covered with fine sand and a few fragments of shells; adhering by a small base. Apertures wide apart, the branchial pro- duced and terminal, the atrial conical, about three quarters down the body or not far from the base. Test rather thin, set with short hairs or membranous processes of the skin, to which the sand adheres. Tentacular filaments linear. Branchial *<tc with four. 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 Alder, Joshua, 1792-1867; Hancock, Albany, 1806-1873; Hopkinson, John, 1844-1919; Norman, Alfred Merle, 1831-1918; Embleton, Dennis, 1810-1900. London, Printed for the Ray society


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Keywords: ., bookcentury1900, bookdecade1900, bookpubli, booksubjectseasquirts