26 Crust . 
X. CRUSTACEA. 
Penceus balboce, West coast Central America, p. 211, Faxon, Bull. Mus. 
Harvard, xxiv ; P. compressipes , Gulf of Martaban, p. 450, pi. xl, 
figg. 21 & 22, Henderson, Tr. Linu. Soc. London, v : n. spp. 
Sicyonia ajfinis, p. 209, picta, p. 210, West coast Central America, Faxon, 
Bull. Mus. Harvard, xxiv, n. sp. 
Solenocera agassizii , West coast Central America, p. 211, Faxon, Bull. 
Mus. Harvard, xxiv, n. sp. 
Sergestiidac. 
Acetes americanus, Tocantins, p. 39, pi. ii, fig. 2, Ortmann, Decapoden 
uud Schizopoden der Plankton Expedition, n. sp. 
Sergestes inous , p. 21 Q ) phorcuH ) Italia, p. 217, West coast Central America, 
Faxon, Bull. Mus. Harvard, xxiv ; S. sargassi , Sargasso Sea, p. 34, 
pi. ii, fig. 1, Ortmann, Decapoden und Schizopoden der Plankton 
Expedition : n. spp. 
Sergiu hensenii , Guinea Current, p. 38, pi. iii, fig. 3, Ortmann, Deca- 
poden und Schizopoden der Plankton Expedition, n. sp. 
( 5 ) CariJea. 
Crangonidac. 
JEgcon oricntalis , Gulf of Martaban, p. 446, pi. xl, figg. 1G& 17, Hender- 
son, Tr. Linn. Soc. London, v, n. sp. 
Glyphocrangon alata, p. 201, sphudosa , sicarius, p. 202, West coast Central 
America, Faxon, Bull. Mus. Harvard, xxiv, n. spp. 
Faracmngon urcolula, West coast Central America, p. 201, Faxon, Bull. 
Mus. Harvard, xxiv, n. sp. 
Pontophilus challengeri , n. n. for P. gracilis , Bate, p. 49 ; Ortmann, 
Decapoden und Schizopoden der Planktou Expedition. 
P. occidentalis , West coast Central America, p. 200, Faxon, Bull. Mus. 
Harvard, xxiv, n. sp. 
Sclerocrangon utrox, proeax , West coast Central America, p. 199, Faxon, 
Bull. Mus. Harvard, xxiv, n. sp. 
Alpheid^ Hippolytid^:, and Pandalid;e. 
Alpheus malabaricus (Fabr.), Pulicat, described p. 434, figured pi. xl, 
figg. 1-3 ; Henderson, Tr. Linn. Soc. London, v. 
A. ascensionis, Ascencion I., p. 45, Ortmann, Decapoden und Schizo- 
poden der Plankton Expedition, n. sp. 
Ileterocarpus vicarius , p. 203, hostilis , affinis, p. 204, West coast Central 
America, Faxon, Bull. Mus. Harvard, xxiv, n. spp. 
Orgytis occidentalis , Tocantins, p. 46, pi. iii, fig. 4, Ortmann, Decapoden 
und Schizopoden der Plankton Expedition, n. sp. 
