1894.] NATURAL SCIENCES OF PHILADELPHIA. 409 



Thaliwitz); Saleyer (de Man); Ceram (v. Martens); Timor (de 

 Man); Flores (de Man) ; Amboina (Ortmann); Philippine Islands : 

 Samar (v. Martens). 



2. Atya spinipes Newport, 1847. 



A. spinipes Newport, Annal. Magaz. Nat. Hist., XIX, 1847, p. 159. 



A. pilipes Newport, ibid., p. 160. 



A. spinipes and pilipes Newp., A. Milne-Edwards, Annal. Soc. Entomol., 



France (4), IV, 1864, pp. 149, 150. 

 A. pilipes Newp., Miers, Catal. Crust., New Zealand, 1876, p. 79. 

 A. spinipes and pilipes Newp., Miers, Annal. Magaz. Nat. Hist. (5), V, 18S0, p. 



282, pi. 15, figs. 5, 6. 

 A. pilipes Newp., Ortmann, Zoolog. Jahrb., V, 1890, p. 466, pi. 36, fig. 8. 



Geographical distribution : This species represents the A. moluc- 



censis in the fresh-water of the Pacific Islands. — Philippine Islands 



(Newport) ; Caroline Isl. (Ortmann) ; Fiji Isl. (Ortmann) ; Samoa 



Islands (Newport, Miers, Ortmann). 17 



Atya brevirostris de Man, 1892. 



De Man, in: Weber, Zoolog. Ergebn., etc., II, 1892, p. 360, pi. 21, fig. 21. 

 Ortmann, Jenaische Denkschr., VIII, 1894, p. 10. 



Geographical distribution: Flores (De Man); Timor (De Man); 



Amboina (Ortmann). 



?4. Atya margaritacea A. Milne-Edwards, 1864. 



A. Milne-Edwards, Annal. Soc. Entomol., France (4), IV, 1864, p. 148, pi. 3, 



fig. 2. 

 Ortmann, Zoolog. Jahrb., V, 1890, p. 465, pi. 36, fig. 7. 



Geographical distribution: New Caledonia (A. Milne- Edwards). 



? 5. Atya robusta A. Milne-Edwards, 1864. 

 A. Milne-Edwards, ibid., 1864, p. 148, pi. 3, fig. 1. 



Geographical distribution: New Caledonia (A. Milne-Edwards). 



6. Atya scabra Leach, 1815. 



Atys scaber Leach. Trans. Linn. Soc. London, XI, 1815, p. 345. 



Atya scabra Leach, Zoolog. Miscell., Ill, 1817, p. 29, pi. 131. 



Atya scabra Desmarest, Consider. G-énér. Crust., 1825, p. 217. 



A. mexicana Wiegmann, Arch. f. Naturg., II, 1, 1836, p. 145. 



A. scabra Lch., Milne-Edwards, Hist. Natur. Crust., II, 1837, p. 942, pi. 24, 

 figs. 15-19, and Atlas, Cuvier's Eegn. anim., pi. 51, fig. 4. 



A. sulcatipes Newport, Annal. Magaz. Nat. Hist., XIX, 1847, p. 159, pi. 8, fig. 1. 



A. occidentalis Newport, ibid. 



A. scabra Lch., Stimpson, Boston Journ. Nat. Hist., VI, 1857, p. 498. 



A. scabra, sulcatipes, and occidentalis A. Milne-Edwards, Annal. Soc, En- 

 tomol., France (4), IV, 1864, pp. 146, 147. 



A. tivalis and tenella Smith, 2 and 3 Eep. Peabody Acad. Sei., 1871. p. 94. 



A. scabra and occidentalis v. Martens, Arch. f. Naturg., 38, 1, 1872, p. 135. 



A. punctata Kingsley, Proceed. Acad. Nat. Sei., Philadelphia, 1878, p. 91. 



A. occidentalis Newp., Kingsley, ibid., p. 92. 



A. sulcatipes Newp., Bate, Challenger Macrur., 1888, p. 694, pi. 118, 119, fig. 1. 



A. occidentalis Newp., Pocock, Annal. Mag. N. H. (6), III, 1889, p. 11, pi. 2, 

 fig. 3. 



A. scabra Lch., Sharp, Proceed. Acad. Nat. Sei., Philadelphia, 1893, p. 111. 



17 The locality, " New Zealand," given by Newport is an error. 



