. Outlines of zoology. Zoology. Fig. 53.—A. young Dicyema.— After Whitman. B. Female Orthonectid (Rhopalura Giardii). —After Julin. e., Ectoderm; en., inner endoderm cell with nucleus («.); and embryo (em.). Note the segmentation and the fibrillation supposed to be muscular. Fig. 54.—Salinella.— After Frenzel. 1. Longitudinal section— a., anterior; p., pos- terior. 2. Transverse section. Metazoan series. He regarded them as intermediate between Protozoa and Metazoa; but others have remarked on their resemblance to Platyhelminthes, and especially to the sporocysts of certain Flukes. They may pe
. Outlines of zoology. Zoology. Fig. 53.—A. young Dicyema.— After Whitman. B. Female Orthonectid (Rhopalura Giardii). —After Julin. e., Ectoderm; en., inner endoderm cell with nucleus («.); and embryo (em.). Note the segmentation and the fibrillation supposed to be muscular. Fig. 54.—Salinella.— After Frenzel. 1. Longitudinal section— a., anterior; p., pos- terior. 2. Transverse section. Metazoan series. He regarded them as intermediate between Protozoa and Metazoa; but others have remarked on their resemblance to Platyhelminthes, and especially to the sporocysts of certain Flukes. They may perhaps be regarded as precociously reproductive sporocysts. It will be enough here merely to notice four types :—. 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 Thomson, J. Arthur (John Arthur), 1861-1933. Edinburgh, Glasgow and London, H. Frowde and Hodder & Stoughton
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Keywords: ., bookauthorth, bookcentury1800, bookdecade1890, booksubjectzoology
