A Contribution to the Knowledge of the Coccidae of Southwestern United States
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In our eReader you can find the full English version of the book. Read A Contribution to the Knowledge of the Coccidae of Southwestern United States Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Contribution to the Knowledge of the Coccidae of Southwestern United States
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With eighteen pairs of cerarii. Anal lobe pair with ten or more cerarian spines and numerous but scattered pores, all surrounded by a distinct but not sharply delimited chitinized area ; penultimate pair with five to eight spines and numerous pores ; re- maining pairs all with but two spines and a cluster of eight to ten pores except for the first two or three pairs, which have four to six spines. None of the cerarii with auxiliary setae. In all, the cerarian spines are rather stout, sharply po...inted and slightly constricted at the base. Ven- tral side of the anal lobes without a chitinized area and with but two or three small setae. Spines of the dorsum of the body few, small, in part slender and in part like the cerarian spines but smaller; not forming a small, median cluster on the last segment. Tubular ducts abundant, small without a raised rim about the mouth. Anal ring of normal size and shape, the setae somewhat longer than the diameter of the ring and about equaling the anal lobe setae.
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You can find similar books in the "Read Also" column, or choose other free books by Gordon Floyd Ferris to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
With eighteen pairs of cerarii. Anal lobe pair with ten or more cerarian spines and numerous but scattered pores, all surrounded by a distinct but not sharply delimited chitinized area ; penultimate pair with five to eight spines and numerous pores ; re- maining pairs all with but two spines and a cluster of eight to ten pores except for the first two or three pairs, which have four to six spines. None of the cerarii with auxiliary setae. In all, the cerarian spines are rather stout, sharply po...inted and slightly constricted at the base. Ven- tral side of the anal lobes without a chitinized area and with but two or three small setae. Spines of the dorsum of the body few, small, in part slender and in part like the cerarian spines but smaller; not forming a small, median cluster on the last segment. Tubular ducts abundant, small without a raised rim about the mouth. Anal ring of normal size and shape, the setae somewhat longer than the diameter of the ring and about equaling the anal lobe setae.
What to read after A Contribution to the Knowledge of the Coccidae of Southwestern United States?
You can find similar books in the "Read Also" column, or choose other free books by Gordon Floyd Ferris to read onlineMoreLess
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