A. E. Verrill — Crustacea and Pycnogotiida of the Bermudas, bib 



Plagusia depressa (Fabr.) Say. 



Cancer depressus Fabr., Ent. Syst., Supl., p. 406, 1775. 



Plagusia Sayi DeKay, N. York Fauna, p. 16. Stimpson, Notes on N. Amer. 



Crust., i, p. 18 [64] ; ii, p. 104 [232]. 

 Plagusia depressa Say, Journ. Acad. Nat. Sci. Philad. , i, p. 100, 1817. 



Eathbun, Dec. Cnist. W. Africa, p. 281, 1900 (distribution). Miers, Eep. 



Voy. ChaU., xvii, p. 272, 1886. 



This species is commonly seen running with great rapidity over 

 the rough ledges and cliffs, above high-tide mark, in the same man- 

 ner as Gapsus grapsus, but it is even more alert and swifter in its 

 motions, so that its capture is difficult. 



It was taken by us on Castle Island and Bailey Bay Island, in 

 1898. 



Percnon planissimum (Herbst). 



Cancer planissimus Herbst, Naturh. Krebb., p. 3, pi. lix, fig. 3, 1804. 

 Acanthopus planissimus Stimpson, op. cit,, p. 104 [243], 1860. 

 Acanthopus Gibhesii Milne Edw,, Mel. Carcin., p. 146. 

 Leiolophus planissimus Miers, Catal. Crust. N. Y., p. 46, 1876. 

 Perc^ion planissimum Eathbun, Dec. Crust. W. Africa, Proc. U. S. Nat. Mus., 

 xxii, p. 281, 1900. 



Very common in some localities under stones at low-tide ; a situa- 

 tion for which its very flat body is admirably adapted. Also 

 received from J. M. Jones, Mr. Goode and others. 



CANCRIDiE. 



Leptodius Floridanus (Gibbes) A. M. Edw. 



Chlorodius Floridanus Gibbes, Proc. Am. Assoc. Adv. Sci., iii, p. 175, 1850. 



Stimpson, Notes on N. Amer. Crust., Annals Lye. Nat. Hist. N. York, vii» 



p. 209, S. I. Smith, Trans. Conn. Acad., ii, p. 3, 1869. 

 Leptodius Floridanus A. M. Edw., Miss. Sci. Mex., v, vol. i, p. 268, pi. xlix, 



fig. 2, 1873. 



Several specimens were collected in 1898. It ranges to Aspinwall 

 and Brazil. 



Heteractaea ceratopus (Stimp.) A. M. Edw. 



Pilumnus ceratopus Stimpson, Annals Lye. Nat. Hist. New York, vii, p. 215 



[87], 1862 ; and x, 1871. 

 Heteractcea ceratopus A. Milne-Edw., Sci. Miss. Mexico, part v, i, p. 300, pi. 



Iii, figs. 3-3d. 



One adult example taken in shallow water, 1898. Florida to 

 Guadeloupe. 



