ON CRUSTACEA BROUGHT BY DR WILLEY FUO.M TUK SOUTH SEAS. 645 



ONISCOIDEA. 



ISOPODA TERKESTUIA. 



1825. Oniscides, Latreille, Fam. Nat. du llegiic Animal, [>. 297. 



18.5.S. Oniscoidea (part), Dana, U. S. Expl. Exp., Crust., p. 713. 



1876. Oniscoidea, Miors, Crust. X. Zealand, p. 'M. 



1882. Oniscoidea, Sars, Christiaiiia Vidensk. Forh., No. 18, p. .58. 



1885. Isopoda terrestma, Budde-Luiid, Monograph. 



1893. Oniscoidea, Stebbing, History of Crustacea, p. 420. 



1898. Oniscoida, Sars, Crustacea of Norway, vol. 2, pt. 9, p. 153. 



1900. Oniscoidea, H. Richardson, The American Naturalist, vol. 34, p. 301. 



1900. Oniscoidea, Stebbing, Proc. Zool. Soc. London, p. 563. 



This group answers to the Cloportides of Latreille and Milne-Edwards, and under 

 various headings has been in recent years largely illustrated by the well-known writings 

 of M. Adrien Dollfus. Buddc-Lund in 1885 uses the term Oniscoidea in a much 

 restricted sense, as the second section of his family Onisci. 



Fam. Li(iiii)AE. 



1885. Licjiae (part), BuJdo-Lund, Isopoda terrestria, p. 242. 



1893. Ligiidae (part), Stebbing, History of Crustacea, p. 420. 



1898. Ligiidae, Sars, Crustacea of Norway, vol. 2, pt. 9, p. 155. 



1900. Ligiidae, H. Richardson, The American Naturalist, vol. 34, p. 306. 



In 1898 Sars restricted this family by separating from it several genera wiiich 

 he allotted to a new family Trichoniscidae. With rapidly increasing knowledge of 

 the terrestrial isopoda some changes in classification cannot f;iil to ensue, although 

 the discoveries which necessitate the separation of group.s are always liable to be 

 counterbalanced by others which tend to reunite them. 



Gen. Ligia, J. C. Fabncius. 



1798. Ligia, Fabricius, Supplenientum Ent. Syst., p. 301. 



1833. Ligia, Brandt, Bull. Soc. Nat. Moscou, vol. 6, p. 171. 



1853. Lygia, Dana, U. S. Expl. Exp., Crust., p. 716. 



1879. Ligia, G. M. Thomson, Trans. N. Zealand Inst., vol. 11, p. 232. 



1885. Ligia, Buddc-Lund, Isopoda terrestria, p. 258. 



1893. Ligia, Dollfus, Feuille dcs Jeunes Naturalistes, Sor. 3, Annde 24, No. 273. 



1S99. Ligia, Chilton, Ann. Nat. Hist., Ser. 7, vol. :), p. IHT. 



Buddc-Lund cites the spelling Lygia also from Roux, 1828. Dollfus distinguishes 

 this genus as neither terrestrial nor marine, but maritime, as living not in the sea 

 but on its lips. Chilton's paper is on the se.xual characters of Ligia oceanica. Budde- 

 Nund referring, confessedly at seconil liaml. to Thomson's Ligia quadrata, gives the 

 habitat as Australia. It should ]»• Duncdiu, New Zealand. 



85—2 



