. The Intellectual observer. Tio:. 5. Fig. 6. in all flukes is essentially the same, and the sporocyst atthe time of its separation from the ciliated embryo presents avery simple appearance {d), showing a sort of head and body,the latter containing a digestive tube or coecum in its is likewise a slight fissuration of the caudal end, indi-cating the first rudiments of two appendages, which, in a moreadvanced condition of the sporocyst, look like a pair ofimperfectly fashioned limbs. ... In the next stage (Fig. 6 e),we have a well developed head (a) and body (&), the tail (c)becom
. The Intellectual observer. Tio:. 5. Fig. 6. in all flukes is essentially the same, and the sporocyst atthe time of its separation from the ciliated embryo presents avery simple appearance {d), showing a sort of head and body,the latter containing a digestive tube or coecum in its is likewise a slight fissuration of the caudal end, indi-cating the first rudiments of two appendages, which, in a moreadvanced condition of the sporocyst, look like a pair ofimperfectly fashioned limbs. ... In the next stage (Fig. 6 e),we have a well developed head (a) and body (&), the tail (c)becoming pointed and strongly pronounced. In these sketches/ represents an cesophagal bulb, g the stomach, and i imper-fectly developed offspring called cercarice, which abound in theinterior of the sporocyst. 194 Natural History of Entozoa. Fig. 7 g represents a fully developed cercaria, in which a. Kg. V. is the oral sucker, b pharyngeal bulb, c oesophagus, dd twoalimentary cceca, e ventral sucker, g g water vascular system,consisting of two excretory ducts, / a contractile vesicle bywhich the ducts communicate with the external surface, h the
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectscience
