no. 1701. 



NORTHWEST PACIFIC ISOPODS—RICHARDSON. 



107 



station 5008, at lat. 46° V 50'-' N. ; long. 142° 37' 20" E. ; station 5009, 

 at lat. 46° 21' 10" N. ; long. 142° 40' E. ; station 5010, at Korsokov 

 Light, N. 5° E., 9.5 miles (lat. 46° 30' 30" N.; long. 142° 43' 30" E.) ; 

 station 5020, off eastern coast, Saghalin Island, vicinity of Cape 

 Patience, in Okhotsk Sea, at lat. 48° 32' 45" N. ; long. 145° 7' 30" E. ; 

 station 5021, at lat. 48° 32' 30" N.; long. 145° 08' 45" E. ; station 

 5022, at lat. 48° 35' 30" N. ; long. 145° 20' E. ; station 5024, Flat Hill, 

 N. 48° W.; Cape Patience, S. 74° W. (lat. 48° 43' 10" N. ; long. 

 144° 59' 30" E.) ; station 4854, on the way from Matsu Shima, Sea 

 of Japan (off coast of Korea), to Nagasaki, Japan, at Cape Clonard, 

 k 31° W., 13.3 miles (lat. 35° 54' N. ; long. 129° 46' E.) ; and sta- 

 tion 4861, S. 27° W., 16.5 miles (lat. 36° 19' K; long. 129° 47' E.). 



Depth. — 21-73 fathoms. 



Type-specimen.— Cat. No. 39309, U.S.N.M. 



Family IDOTHELDiE. 

 Genus MESIDOTEA Richardson. 



MESIDOTEA ENTOMON (Linnaeus). 



Oniscus entomon Linnaeus, Syst. Nat., 12tli ed., vol. 1, pt. 2, 1767, p. 1060. 

 Idotea entomon Bosc, Hist. Nat. des Crust., vol. 2, 1802, p. 178. 

 Idotcega entomon Lockington, Proc. Cal. Acad. Sci., vol. 7, 1877, pt. 1, p. 45. 

 Glyptonotus entomon Miers, Trans. Linn. Soc. London, vol. 16, 1883, pp. 12-13, 



pi. 1, figs. 1-2. (See Miers for further synonymy.) 

 Mesidotea entomon Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, pp. 348-350. 



Locality. — Petropaulovsk. 



Genus IDOTHEA Fabricius. 



IDOTHEA OCHOTENSIS (Brandt). 



Idotea ochotensis Brandt, Middendorff's Sibirische Reise, vol. 2, 1851, Crust, 

 p. 145, pi. 6, fig. 33.— Miers, Jour. Linn. Soc. London, vol. 16, 1883, p. 32, pi. 1, 

 figs. 8-10.— Richardson, Proc. U. S. Nat. Mus., vol. 21, 1899, p. 846; Ann. Mag. 

 Nat. Hist. (7), vol. 4, 1899, p. 265; American Naturalist, vol. 34, 1900, p. 227; 

 Harriman Alaska Expedition, Crust., vol. 10, 1904, p. 219; Proc. U. S. Nat. 

 Mus., vol. 27, 1904, p. 663 ; Bull. U. S. Bureau of Fisheries, 1905, p. 216. 



Idothea ochotensis Richardson, Bull. L T . S. Nat. Mus., No. 54, 1905, pp. 366-367. 



Localities. — Milne Bay, Simushir Islands ; Nikolski, Bering Island ; 

 Petropaulovsk. 

 Depth. — Shore. 



IDOTHEA METALLICA (Bosc). 



Idotea metallica Bosc, Hist. Nat. Crust, vol. 2, 1802, p. 179, pi. 15, fig. 6. — Miers, 

 Jour. Linn. Soc. London, vol. 16, 1883, pp. 35-38 (see Miers for further syn- 

 onymy). . 



Idotea roousta Kr0yer, Naturh. Tidsskr., (2), 1846-49, p. 108. — Stimpson, Proc. 



Acad. Nat. Sci. Phila., vol. 14, 1863, p. 133.— Harger, Report U. S. Fish Com., 



pt. 6, 1880, p. 349, pi. 6, figs. 30-32. 

 Idothea metallica Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, pp. 362-363. 



