NO. 1222. ISOPODS OF THE ATLANTIC COAST— RICHARDSON. 531 



32. AGARNA Schioedte and Meinert. 



82, AGARNA CARINATA Schicedte and Meinert. 



A(/arna earinata Schioedte and Meinert, Naturhit^torii^kTidsskrift, XIV, 1888-84, 

 pp. 329-334, pi. XIII, tigs. 1-3. 



Habitat. — St. Croix I.sland, West Indies; Key West, Florida. 

 33. LIVONECA Leach. 



ANALYTICAL KEY TO THE SPECIES OF LIVONECA. 



a. Uropoda much longer than caudal Segment; inner branch narrow, obtuse, much 

 shorter than outer branch. Epimera of last two thoracic segments not longer 

 than segments 83. Livoneca redmamd Leach. 



o^. Uropoda hardly surpassing the caudal segment; both branches equal in length, 

 inner one oval. Epimera of last two thoracic segments longer than segments. 



84. Livoneca ovalis (Say). 



83. LIVONECA REDMANNI Leach. 



Livoneca redmanni Leach, Diet. Hist. Nat., XII, p. 352. — Desmaeest, Cons. Gen. 



Crust., p. 308. — Milne-Edwards, Hist. Nat. Crust., Ill, p. 261; Cuv. Regn. 



Anim. 111., pi. lxvi, figs. 4, 4a. 

 Livoneca desmaresiii Leach, Diet. Hist. Nat., XII, p. 352. — Desmarest, Cons. Gen. 



Crust., p. .308.— Milxe-Edwards, Hist. Nat. Crust., Ill, p. 261; Cuv. Eegn. 



Anim. 111., pi. lxvi, figs. 3, 3a-3e. 

 Livoneca redmanni Schicedte and Meinert, Naturhistorisk Tidsskrift, XIV, 

 , 1883-84, p. 353-358, pi. xiv, figs. 6-12. 



Habitat. — New York; Charleston, South Carolina; Mobile, Ala- 

 bama; Biloxi, Mississippi; Cuba; St. Christopher; Jamaica; Bahia, 

 and Kio Janeiro, Brazil. 



84. LIVONECA OVALIS (Say). 



Cymothoa ovalis Say, Jour. Acad. Nat. Sci. Phila., I, 1818, p. 394. 



Cymothoa triloba Dekay, Nat. Hist. N. Y., Pt. 1, p. 46, pi. x, fig. 40, 1843. 



(f) Cymothoa olivacea Dekay, Nat. Hist., N. Y., Pt. 1, p. 47, pi. x, figs. 41, 41a. 



Livoneca ovalis White, Cat. Crust. Brit. Mus., 1847, p. 109. — Haeger, Report 

 U. S. Commissioner of Fish and Fisheries, 1874, Pt. 1, p. 572 (278), pi. vi, 

 fig. 29; Proc. U. S. Nat. Mus., II, 1879, p. 162; Report U. S. Commissioner 

 of Fish and Fisheries, 1880, Pt. 6, pp. 395, 396, pi. xi, fig. 67. 



Habitat. — -New Haven; Thimble Islands; Long Island Sound; Woods 

 Hole, Massachusetts; Vineyard Sound; New York; Patapsco River; 

 (yharleston, South Carolina; Pensacola, Florida; St. Marys River, 

 Florida. 



34. IRONA Schicedte and Meinert. 



85. IRONA NANA Schicedte and Meinert. 



Irona nana Schicedte and Meinert, Naturhistorisk Tidsskrift, XIV, 1883-84, pp. 

 390-395, pi. XVII, figs. 6-11. 



Habitat. — Caribbean Sea and Atlantic Ocean; St. John; St. Bar- 

 tholomew; Rio Janeiro. 



