ISOPODS OF THE ATLAXTTC COAST— RTCITAnDSON. 541 



I02. IDOTEA PHOSPHOREA Harger. 



Idotea pJioaphorea Harger, Report U. S. Commissioner of Fish and Fisheries, 1874, 

 p. 569 (275), Pt. 1; Proc. U. S. Nat. Mas., 1879, II, p. 160.— Verkill, Am. Jour. 

 Sci.,1874, pp. 43, 45, 131; Proc. Amer. Assoc, 1873, pp. 362, 367, 369, 1874; 

 Report U. S. Commissioner of Fish and Fisheries, 1874, Pt. 1, p. 316 (22) .— 

 White.wes, Am. Jour. Sci.,VII, 1874, p. 218.— Harger, Report U. S. Com- 

 missioner of Fish and Fisheries, 1880, Pt. 6, pp. 347, 348, pi. v, figs. 27-29. 



IInl)lt((f. — Entire coast of New England to Halifax, Nova Scotia, 

 and Gulf of St. Lawrence. 



Depth. — Surface to 18 fathoms. 



103. IDOTEA METALLICA Bosc. 



/rZotea mctoZZica Bosc, Hist. Nat. Crust., II, 1802, p. 179, pi. xv, fig, 6. — Latreille, 

 Hist. Nat. Cr. et Ins., VI, 1803, p. 373. 



Idotea atraia Costa, Fauna del R. Napoli, Cr., 1838, pi. xi, fig. 3. 



Idotea rugosa Milne-Edwards, Hist. Nat. Crust., Ill, 1840, p. 131. 



Idotea jieloponeslaca Roux, Cr. de la Mediterranee, 1830, pi. xxx, figs. 10, 12. 



/(fo/ra 7-o6».s-/a Kr0yer, Naturhistorisk. Tidsskrift, (2) II, 1846, p. 108; Voy. en 

 Scand., Crust., pi. xxvi, fig. 3. — Reixiiardt, Forteg. over Gronlands Krebs- 

 dyr, 1857, p. 35. — Stimpson, Proc. Ac. Nat. Sci. Phila., 1863, p. 133. — Verrill, 

 Am. Jour. Sci., 11, 1871, p. 360; Rep. U. S. Fish Com., 1874, Pt. 1, p. 439.— Har- 

 ger, Rep. U. S. Fish Com., 1874, p. 569, pi. v, fig. 24; Proc. U. S. Nat. Mus., II, 

 1879, p. 160; Rep. U. S. Fish Com., 1880, Pt. 6, p. 349, pi. vi, figs. 30-32. 



Idotea compacta White, List. Crust. Brit. Mus. , 1847, p. 95. 



Idotea algirica Lucas, Anini. artic. in Expl. Sci. Algerie, I, Cr., 1849, p. 61, pi. vi, 

 fig. 2. 



Idotea metallica Miers, Jour. Linn. Soc. Lond., XVI, 1883, p. 35-38 (see Miers 

 for synonymy). 



Habitat. — Off Maryland; Chesapeake Ba}^; North Carolina; New- 

 port, Rhode Island; Long I.sland; Nantucket; Vineyard Sound; 

 Woods Hole, Massachusetts; Georges Banks; Jeffries Bank; near 

 Isles of Shoals; Halifax, Nova Scotia; La Have Bank; also Mediter- 

 ranean Sea; between Greenland and Iceland; between Montevideo and 

 Straits of Magellen; New South Wales; Borneo; oil' Cape Negro; 

 Latitude Cove, Patagonia. 



Depth. — Surface to 91 fathoms. 



43. SYNIDOTEA Harger. 



ANALYTICAL KEY TO THE SPECIES OF SYXIDOTEA. 



(I. Terminal abdominal segment pointed at its extremity. 



104. Synidotea nodulosa (Kr0yer). 

 rt'. Terminal abdominal segment emarginate or notched at its extremity. 



//. Outlines of thorax subparallel 105. Synidotea marmorata (Packard). 



//. Outlines of thorax strongly arcuate 106. Siinidote(( himyjiida (Owen). 



104. SYNIDOTEA NODULOSA (Kr(/)yer). 



Idotea 'iiodulom Kr0yer, Naturhist. Tidsskrift (2), II, 1846, p. 100; A"oy. en 

 Scand., Crust., 1849, pi. xxvi, fig. 2.— Reixhardt, (ironlands Krebsdyr, 1857, 

 p. 34. — LtJTKEX, Crust. Greenland, 1875, p. 150. 



