DECAPODA (bRACHYURA). 
Crust. 15 
Pseudozius mellissi, sp. n., Miers, Ann. N. H. (5) viii. p. 432. Ascension 
and St. Helena Islands. 
Pilumnus, 17 species from the Eastern and 5 corresponding from the 
Western Coasts of America enumerated ; P. aculeatus (Say), Florida and 
Guadeloupe, vwaceus, sp. n., Florida and Martinique, xantusi (Stimps.), 
Cape St. Lucas, California, gracilipeSy sp. n., Barbados, 100 fath., quoyi 
(M.-Edw.), Rio Janeiro and Guiana, urinator^ sp. n., Sta. Cruz, West 
Indies, 245 fath., gemmatus (Stimps,), Florida and St. Thomas, limosus 
(S. Smith), Panama and Peru, lacteiis (Stimps.), Cuba and Key West, 
miei’si, sp. n.. West Indies, nudifrons (Stimps.), Sombrero Key and Bar- 
badoes, tessellatus^ sp. n., Destero, Brazil^ and fragosus, sp. n., St. Thomas, 
described and figured ; A. Milne Edwards, 1. c. pp. 287-297, pi. 1. 
figs. 1-5, pi. li. figs. 1-5, pi. lii. fig. 1, pi. liii. figs. 1 & 2. 
Pilumnus verrucosipes (Stimps.) from Goree Island ; Miers, Ann. N. H. 
(5) viii. p. 216, pi. xiii. fig. 5. 
Ldpkopilumnus, g. n., distinguished from Pilumnus by the very vaulted 
cephalothorax with deep lobulations in front, like that of A ctumnus. L. 
agassizi (Stimps,, Pilumnus) and pulcliellus, sp. n., both from Florida. 
Id. 1. c. pp. 297-299, pi. lii. figs. 4 & 5. 
Heteractcsa (Lockington, 1876), distinguished from Pilumnus by the 
straight thick front of the cephalothorax, like that of Xantho, and by the 
keeled feet. II. ceratopus (Stimps., Pilumnus')^ Florida and Guadeloupe, 
II. lunata (M.-Edw., Pilumnus) = pilosa (Lockington), Chili and Cali- 
fornia ; id. 1. c. pp. 299-301, pi. lii. figs. 2 & 3. 
Acidops (Stimps.), distinguished from Pilumnus by the very large eye- 
stalks and orbits. A. Jimhriatus (Stimps.), California ; id. 1. c. pp. 
301-303. 
Pilumnoides (Lucas) perlatus (Poppig), Chili and Peru, and hassleri^ 
sp. n., coast of La Plata, 40® S. lat. ; id. 1. c. pp. 303-305, pi. liv. 
figs. 5 & 6. 
Eriphia gonagra (Fabr.), from Florida to Rio Janeiro, squamata 
(Stimps,), from Chili to Cape St. Lucas, California, and granulosa^ sp. n., 
Chili ; id. 1. c. pp. 337-339, pi. Ivi. figs. 2-4. 
Pseuderiphia, g. n., distinct from Eriphia by the broad, scarcely lobu- 
lated cephalothorax with broad, straight front, and by an external sub- 
orbital hiatus like that of Panopeus. Ps. hispida (Stimps., Eriphia)^ 
Panama ; id. 1. c. p. 340, pi. Ivi. fig. 1. 
Trapezia rufo-punctata (Hbst.), also at the Island of Socoro, W. Mexico, 
and cymodoce (Hbst.), also in the Bay of Panama, both species of the 
Indian Seas, and formosa, sp. n., Panama ; id. 1. c. pp. 341-343, the last 
pi. Iviii. fig. 1. 
Quadrella nitida (S. Smith), Panama ; id. 1. c. p. 344. 
Donicecia hispida (Souleyet), West Indies ; id. 1. c. p. 345, pi. Iviii. 
fig. 2. 
Eucratodes, g. n., near Galene and Eucrate, cephalothorax nearly 
quadrilateral, with long entire front and two blunt latero-antorior teeth, 
resembling that of Cyrtonotus ; hands equal also in the male ; abdomen 
of the male 5-jointed, the third, fourth, and fifth joints being united. 
E. agassizi, sp. n., Florida, 100 fath. Id. 1. c. pp. 346 & 347, pi. Ixi. fig. 1. 
