. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). Fio. 148.—A, diagrammatic section tlirough Pecten, and B, tbrough Anodon; C, section tlirougli gill-lamella of Pecten, and D, of Anodon. au = auricle. ol = outer lamella of outer gill. / = foot. pc = pericardial cavity. gf = gill-fllament. p = pore. ill = inner lamella of inner gill. « = blood-sinus. il = interlamellar junction. sbi' = suprabrauchial cbaniber. ne = nepbridium. ah = sbell. which interlock forming the " ciliated junctions," and further- more the


. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). Fio. 148.—A, diagrammatic section tlirough Pecten, and B, tbrough Anodon; C, section tlirougli gill-lamella of Pecten, and D, of Anodon. au = auricle. ol = outer lamella of outer gill. / = foot. pc = pericardial cavity. gf = gill-fllament. p = pore. ill = inner lamella of inner gill. « = blood-sinus. il = interlamellar junction. sbi' = suprabrauchial cbaniber. ne = nepbridium. ah = sbell. which interlock forming the " ciliated junctions," and further- more the pinnae are at their free ends bent abruptly upon themselves, those of the outer row outwards and those of the inner row inwards, so that each gill-plate is composed of two lamellee (Fig. 148, ^l). This condition may be regarded as the next step in the modification, which is continued even further by the permanent union of the outer and inner limbs. 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 McMurrich, J. Playfair (James Playfair), 1859-1939. New York : H. Holt


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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1894