. The Annals and magazine of natural history; zoology, botany, and geology. 524 Mr. R. I. Pocock on the Morphology and from the type found in that genus. In the structure of the second appendage a stage of specialization intermediate between those of lulus and Paraiulus is seen; but in the extraordinary modification of the limbs of the seventh pair and their adjacent sternal area, which results in the complete annexation of these structures by the copulatory apparatus, Mongoliulus stands alone, so far as I know, in the Chilo- gnatha. As opposed to this specialized feature is the primi- tive ch
. The Annals and magazine of natural history; zoology, botany, and geology. 524 Mr. R. I. Pocock on the Morphology and from the type found in that genus. In the structure of the second appendage a stage of specialization intermediate between those of lulus and Paraiulus is seen; but in the extraordinary modification of the limbs of the seventh pair and their adjacent sternal area, which results in the complete annexation of these structures by the copulatory apparatus, Mongoliulus stands alone, so far as I know, in the Chilo- gnatha. As opposed to this specialized feature is the primi- tive characteristic presented by the freedom of the sternal Fig. 1. Mongoliulus coreanus, Poc, c?- Portion of anterior extremity from the side, showing appendages of first and second pairs (app. I. and ii.) and penis (p.) in situ. 1 a. Ditto. Appendages and sternum of first pair. I b. Ditto. Appendages and sterna of sixth and seventh pairs, the left appendage of the sixth pair removed, st. vi. and app. vi., sternum and appendage of sixth pair; app. vn., dwarfed ap- pendage of seventh pair; st. vn., sternum of seventh appendages, with hairy hlade-like processes. le. Ditto. Appendages of eighth pair (coleopods). 1 d. Ditto. Appendages of ninth pair (phallopods). elements of the anterior nine pairs of appendages. To sum up: the male of Mongoliulus is an advance upon the male of Paraiulus in the structure of the first leg and the almost total suppression of the seventh pair correlated with the modification of the adjacent sternal plate, and stands at a. 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 London, Taylor and Francis, Ltd
Size: 1710px × 1461px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondo, bookyear1903
