126 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol. 37. 



Ligia gaudichaudii Dana, U. S. Expl. Exp., Crust., vol. 14, 1853, p. 741, pi. 49, 

 figs. 6a-h. 



Ligyda exotica Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, pp. 676-677. 



Localities. — Matsushima; Same, Rikuoku, Japan. 

 Depth. — Shore. 



LIGYDA CINERASCENS (Budde-Lund). 



Ligia cinerascens Budde-Lund, Crust. Isop. Terrestria, 1885, p. 265. 



Locality. — Hakodate, Japan. Budde-Lund says of the type that 

 it is uncertain whether it comes from Manila or Chile, or was taken 

 in Japan, but he thinks it very likely to have come from Japan. 



About six specimens, which I hesitatingly refer to this species, 

 were taken at Hakodate, Japan. They differ from Ligyda exotica 

 in having shorter antennae which do not reach beyond the last tho- 

 racic segment and in the much shorter uropoda, which do not quite 

 equal half the length of the body. The body is also more thickly 

 granulated than that of L. exotica, and the color is uniformly dark 

 gray. 



LIST OF REFERENCES. 



Bate, C. Spence. Lord's Naturalist in British Columbia, vol. 2, 1866. London. 



Beddard, Frank E. Report on the Isopoda. Report of the scientific results 

 of the voyage of H. M. S. Challenger during the years 1873-1876. Vol. 17, 

 1886, pp. 1-175. London. 



Benedict, James E. A revision of the genus Synidotea. Proc. Acad. Nat. Set 

 Phila., 1897, pp. 389^*04. Philadelphia. 



. The Arcturidse in the U. S. National Museum. Proc. Piol. Soc. Wash- 

 ington, vol. 12, 1898, pp. 41-51. Washington. 



Bonnier, Jules. Contribution & l'etude des Epicarides — les Bopyridse. Tra- 

 vaux de la Station Zoologique de Wimereux. vol. 8, 1900, pp. 1-396, pis. 1-41. 

 Paris. 



Bosc, Louis A. G. Histoire Naturelle des Crustaees, vol. 2, 1802. Paris. 



Bouvier. E. L. Observations nouvelles sur les Bathynomus, isopodes gigan- 

 tesques des grands fonds. Compt. Rend. Acad. Sci., vol. 132, 1901, No. 10, 

 pp. 643-645. Paris, 1901. 



Bouvier, E. L., and Edwards, A. Milne. Reports on the results of dredging 

 under the supervision of Alexander Agassiz in the Gulf of Mexico (1877— 

 1878), in the Caribbean (1878-1879), and along the Atlantic coast of the 

 United States (1880), by the U. S. Coast Survey steamer Blake, Lieut. Com- 

 mander C. D. Sigsbee, L T . S. Navy, and Commander J. R. Bartlett, U. S. Navy, 

 commanding. XL. Les Bathynomes. Memoirs, Museum Comparative Zo- 

 ology at Harvard College, vol. 27, No. 2, 1902, pp. 159-165, pis. 7-8. Cam- 

 bridge. 



Bovallius, Carl. A new Isopod from the coast of Sweden. Bihang till K. 

 Svenska Vetensk. Akad. Handlingar, vol. 10, No. 10, pp. 3-10, pis. 1-2. Stock- 

 holm, 1885. 



New or imperfectly known Isopoda. Pt. II, Bihang till K. Svenska 



Yet.-Akad. Handlingar, vol. 11, No. 17, pp. 1-18, 1886, pis. 1-2. Stockholm. 



Brandt, F. Middendorff's Reise in den aussersten Norden und Osten Sibiriens, 

 vol. 2, Zool., pt. 1, 1851, pp. 145-147. St. Petersburg. 



