Guide to the Crustacea, Arachnida, Onychophora and Myriopoda exhibited in the Department of Zoology, British Museum (Natural History) .. . duced. The last pair oflegs are folded out of sight in the gill chambers. [Table-case No. 12.] abdomen is frequently asymmetrical, and has appendages only onone side. The last pair of abdominal appendages (uropods) arewanting. The Northern Stone Crab, Lilhodca niaiit (Fig. 41), found onthe more northerly coasts of the British Islands, belongs to thisfamily. Cri/jjlolllliodcfi is an aUied genus in which the carapace isexpanded at the sides so as to cover the
Guide to the Crustacea, Arachnida, Onychophora and Myriopoda exhibited in the Department of Zoology, British Museum (Natural History) .. . duced. The last pair oflegs are folded out of sight in the gill chambers. [Table-case No. 12.] abdomen is frequently asymmetrical, and has appendages only onone side. The last pair of abdominal appendages (uropods) arewanting. The Northern Stone Crab, Lilhodca niaiit (Fig. 41), found onthe more northerly coasts of the British Islands, belongs to thisfamily. Cri/jjlolllliodcfi is an aUied genus in which the carapace isexpanded at the sides so as to cover the limbs completely. Aspecimen of the large EchidnoccriiH ciharitm found on the WestCoast of North .Xiiunicu is plucod in the lower part of Wall-caseNo. 2. Dccapoda —A noiuura. 68 In the Tribe Galathkidea the l)0(ly is syiiimetrical, and more Table-caseor less lobster-like, but the abdomen is bent upon itself, and No. folded under the body. The last pair of lej^s areslender and are carried folded up within the branchial last pair of abdominal appendages (uropods) are large,forming a well-developed Fig. nigoaa (reduced). [Tal)lc-case No. 12.] Several species of GaJatlica occur on the British coasts, , being the largest. Miinidd nigosa (Fig. 42) is found inrather deep water in British seas. The family Uropti/ehidaeincludes only deep-sea species and is represented by the brilliantlycoloured EumiDiida j)iciii. The family Aegleidae comprises only asingle species, AcijUui Jacvis, which is interesting as being the onlyAnonuirau iidiabiting fresh water. It is found in South America, 64 Guide to Crustacea. Table-caseNo. 1:^. Table-cases Nos especially in mountain streams. In the family FoyccUanidac, theshort and broad carapace, without a prominent rostrum, and thefact that the abdomen is folded under the body, give the animalsquite a crab-like appearance. They are, however, very closelyallied to the Galatheidae. All the species
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcrustacea, bookyear19
