The Classification of Lepidopterous Larvae volume Illinois Biological Monograph
The Classification of Lepidopterous Larvae volume Illinois Biological Monograph
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In our eReader you can find the full English version of the book. Read The Classification of Lepidopterous Larvae volume Illinois Biological Monograph 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 The Classification of Lepidopterous Larvae volume Illinois Biological Monograph
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To quickly assess the difficulty of the text, read a short excerpt:
The uniserial circle has the bases of all the crochets in line but the lengths are seldom uniform. We are able to distinguish uniordinal cro- chets (Fig. 105), in which the tips as well as the bases are in a straight line, from the hiordinal (Fig. 106), in which the crochets are of two distinct lengths alternating. Occasionally triordinal crochets (Fig. 98) are seen, but Forbes 's separation of Rhopalocera from Heterocera on this basis fails tc be confirmed by observation. In fact the irregular...ities in the lengths of the biordinal crochets make any extensive use of the difference in the number of sizes inadvisable. On the other hand the uniordinal series is usually definite, and the irregularities, except at the ends of the row, are negligible.
Having a complete uniserial circle of crochets, a group may develop transverse bands (Fig. 99) by the loss of both the mesal and lateral parts of the circle, or a penelUpse (L. Paene-\-ellipsis, "almost an el- lipse") by the loss of only a short portion on one side.
What to read after The Classification of Lepidopterous Larvae volume Illinois Biological Monograph?
You can find similar books in the "Read Also" column, or choose other free books by Stanley Black Fracker to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The uniserial circle has the bases of all the crochets in line but the lengths are seldom uniform. We are able to distinguish uniordinal cro- chets (Fig. 105), in which the tips as well as the bases are in a straight line, from the hiordinal (Fig. 106), in which the crochets are of two distinct lengths alternating. Occasionally triordinal crochets (Fig. 98) are seen, but Forbes 's separation of Rhopalocera from Heterocera on this basis fails tc be confirmed by observation. In fact the irregular...ities in the lengths of the biordinal crochets make any extensive use of the difference in the number of sizes inadvisable. On the other hand the uniordinal series is usually definite, and the irregularities, except at the ends of the row, are negligible.
Having a complete uniserial circle of crochets, a group may develop transverse bands (Fig. 99) by the loss of both the mesal and lateral parts of the circle, or a penelUpse (L. Paene-\-ellipsis, "almost an el- lipse") by the loss of only a short portion on one side.
What to read after The Classification of Lepidopterous Larvae volume Illinois Biological Monograph?
You can find similar books in the "Read Also" column, or choose other free books by Stanley Black Fracker to read onlineMoreLess
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