86 [May, 
Genus Lissocarcinus, White. 
LIssocARCINUS ORBICULARIS.—Carapax paululo latior quam longus, levissimus, 
nitidus, fronte medio parce angulato, integro, margine antero-laterali tenui, paulo 
reflexo, obsolete 5-lébato. Pedes antici perbreves, manu superne bicarinata, 
carinis integris, digito mobili supra bene carinato. Pedes8 postici nudi, articulo 
3tio superne obtuso, tarso pedis postici angustée subovato, apicem acuto et inflexo. 
Hab. ad insulas Vitienses. Long. carapacis 5’; lat. 53/”. 
Fam. PLATYONYCHIDAK. 
Genus Pharyonycnus, Latreille. 
PLATYONYCHUS PURPUREUS,—B. bipustulato affinis. Carapax paulo transversus 
(Jatitudine quarta parte majore); margine antero-laterali breviore, crassé 
5-dentato; fronte 4-dentato, dentibus acutis, inter se non eque remotis, medianis 
propioribus.. Pedes antici fere equi, carpo granulis minutis reticulato et scabri- 
culo, intus elongate acuto, manu granulis asperata, inferne transversim pliculata. 
Pedes postici marginibus dense ciliati, articulo 3tio superné non denticulato, tarso 
fere duplo longiore quam lato. Abdomen maris fere lineare, segmento penultimo 
basin non latiore. Carapax purpureo punctatus, regionis mediane parte poste- 
riore valde purpureus et sublunatus. Had. juxta portum * Valparaiso.”? Long. 
Carapacis2usO“amlatna” 4a. 
Il. CRUSTACEA CORYSTOIDEA. 
Synopsis Generum Familiarumque Corystoideorum in Amer. Jour. Sci., Ser. 
2da, v. Xill. p. 119, auctore edita, q. v. 
Fam. TRICHOCERIDA. 
Tricnoceka oREGONENSIS.—Carapax transversus, convexus, gibbosus, granu- 
losus, antice lateraliterque bene arcuatus, angulo laterali vix instructus, margine 
laterali (postero-laterali incluso) 13-dentato, dentibus regularibus, brevibus; 
margine postero-laterali recto; fronte inter-antennali brevi, recto, medium non 
emarginato. Pedes antici crassi, manu perbrevi, alta, superne minute tubercu- 
lata, extus lavi et obsolete 5-costata. Pedes 8 postici pubescentes. Hab. freto 
Pugettensi Americ occidentalis. Long. carapacis 83’; dat. 11’”. ' 
Fam. THIIDA. 
Genus Kraussia, Dana. 
Kraussia ruGuLosA, Platyonychus rugulosus Krauss (Sudaf. Crust. p. 26, 
tab. 1, f. 5) ad insulas Hawaienses lecta. 
Fam. CORYSTID Al. 
Genus TrLMEssus, White. 
TELMESSUS SERRATUS, White, in freto Pugettensi Americe occidentalis lectus. 
Genus GoMEZA, Gray. 
GomEZA SERRATA.—Carapax subovatus, scaber, breviter hirsutus, rostro apicem 
truncato, margine juxta apicem utrinque inciso, lateribus acute 5-serratis, 
serratura 4ta fere mediana, quoque subtilissime denticulatis. Pedes marginibus 
pubescentes. Had. mari prope Patagoniam orientalem. Long. carapacis 13’”. 
