. Brimleyana. Zoology; Ecology; Natural history. - ••• Fig. 2. Scanning electron micrograph of a portion of the body of X. bashaviae. Note ciliary tufts. length, mm ( mm); greatest diameter, mm (); head length, mm ( mm); head diameter, mm ( mm); diameter, segment I, mm ( mm); diameter, sucker, mm ( mm). In the holotype and one paratype, segment V was greater in diameter than segment VII. The latter, which bears the ovaries and developing eggs, is normally greater in diameter among all members of the order. In these two specime
. Brimleyana. Zoology; Ecology; Natural history. - ••• Fig. 2. Scanning electron micrograph of a portion of the body of X. bashaviae. Note ciliary tufts. length, mm ( mm); greatest diameter, mm (); head length, mm ( mm); head diameter, mm ( mm); diameter, segment I, mm ( mm); diameter, sucker, mm ( mm). In the holotype and one paratype, segment V was greater in diameter than segment VII. The latter, which bears the ovaries and developing eggs, is normally greater in diameter among all members of the order. In these two specimens there are no large eggs. Scanning and transmission electron microscopy of X. bashaviae have revealed the presence on the outer epithelium of numerous bristle-like structures, each composed of a tuft of cilia. The tufts are most abundant in the region of the mouth, but are also found on other parts of the head as well as on the body segments (Fig. 2). They are not visible by light microscopy, though "sensory" hairs have been detected in the mouth region of other branchiobdellids (Franzen 1963:370; Moore 1895:499; Holt, unpub. observ.). The animals widen uniformly from segment I to their greatest diameter in segments VI and VII and from there become narrower towards the sucker and are uniformly, but not excessively, flattened, except for the terete head. The posterior annulus of each segment is only slightly less in. 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 North Carolina State Museum of Natural History. [Raleigh, NC : North Carolina State Museum of Natural History]
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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectzoology
