Guide to the Crustacea, Arachnida, Onychophora and Myriopoda exhibited in the Department of Zoology, British Museum (Natural History) .. . upw^ard migrationand coalescence of the normal pairof stigmata upon the first, third, fifth,eighth, tenth, twelfth, and fourteenthsegments. The remaining segmentsdo not bear stigmata, and their dorsalplates are reduced or absent, that ofthe seventh disappearing antennae are very long andfiliform; the legs, of which there arefifteen pairs, as in the Lithobio-morpha, are also very long, and havethe terminal segments Sciitigcrid
Guide to the Crustacea, Arachnida, Onychophora and Myriopoda exhibited in the Department of Zoology, British Museum (Natural History) .. . upw^ard migrationand coalescence of the normal pairof stigmata upon the first, third, fifth,eighth, tenth, twelfth, and fourteenthsegments. The remaining segmentsdo not bear stigmata, and their dorsalplates are reduced or absent, that ofthe seventh disappearing antennae are very long andfiliform; the legs, of which there arefifteen pairs, as in the Lithobio-morpha, are also very long, and havethe terminal segments Sciitigcridae (Fig. 90), theonly family of the Sub-class, reachtheir greatest size in the tropics, and are quite unknown in northtemperate and Arctic countries of the world. INIost of themembers of the order are of rather small size, but one or two ofthe Oriental species (Scutigcra lo)u/icornis, etc.) reach a length ofseveral inches. They live on insects, and are remarkable fortheir extreme swiftness of foot. They also have a habit, whenpursued or seized, of dropping their legs. Hence it is exceedinglydifficvilt to capture imdamaged Fig. 90. Scutigera (Ccrmatia) forceps (afterKiDgsley). INDEX. A. Abdomen of Arachnida, 80; of Crustacea, 13Acauthephyridae, 51Acanthoijcunmarus, 4GAcari, 109Acid-glands, 89Acorn-shells, 33Actinopiis, 95Adaptation to Environment in .Crustacea, 21Aegina, 46 (fig.)Aeglea, G3Aegleidae, G3Agelenidae, 92, 100Adbunea, 64 (fig.)Albuneidae, 64Alcock, 59Alima, 48Alipes, 127Alpheidae, 52Amblypygi, 89Amphipoda, 45Anadiastotliele, 93Auartiostigma, 128Anaspidcs, 13, 37 (fig.)Andrews, 62Aiielasmocephalus, 108Anepignathi, 108Anomura, 59Auostraca, 26Antenna of Crustacea, 15Antennule of Crustacea, 15Anthracomarti, 107Ant-like Spiders, 100, 102Appendages of Crustacea, 15; of Arachnida, 80 ; of Trilobita, 78; of Ouycho- phora, 119Apseudes, 40 (fig.)Apus, 26 (fig.)Arachnida, 9, 80Arachnomorphae, 96Araclinomysis, 39Aranca, 97Araneae, 91Arcturidae, 43Arcturus, 43, 44 (fi
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcrustacea, bookyear19
