THE AMPHIPODA 241 



Clievieux ; Socarnes, Boeck ; Trischizostoma, Boeck. Family Stego- 

 CEi'HALiDAE. Stcgoceplialus, Kroyer. Family Ami'ELIscidae. AmiKlisca, 

 Kroyer. Family Hal'stokiidae. Haustorius, S. Miiller ; Urothoe, Dana. 

 Family Phoxocephalidae. Phoxocej^haluK, Stebbiiig. Family Ajii-hi- 

 LOCHIDAE. ylHijj/(t7oc/iits, Speiice Bate. Family Lelcothoidae. Leucothin', 

 Leach. Family Axamixidae. Anamixis, Stebbing. Family Metopidae. 

 Metopa, Boeck. Family Cressidae. Cressa, Boeck. Family Stexo- 

 thoidae. Stenothoe, Dana. Family Phliantidae. Phlias, Giierin ; 

 Pereionotus, Spence Bate and Weslwood. Family Colomastigidae. 

 Colomasti.c, Grube. Family Lafystiidae. Lafystius, Kroyer. P'amily 

 Laphystiopsidae. Laphystiopsis, G. O. Sars. Family Acaxthoxoto- 

 zomatidae. Acanthonotozoma , Boeck. Family Pardali.scidae. Parda- 

 lisca, Kroyer. Family Lilljeborgiidae. Lilljeborgia, Spence Bate. 

 Family Oedicerotidae. Oediceros, Kroyer. Family Syxopiidae. 

 Synopia, Dana. Family Tiroxidae. Tiroii, Lilljeborg. Family 

 Calliopiidae. Calliopius, Lilljeborg. Family Pleustidae. Pleustes, 

 Spence Bate. Family Pauamphithoidae. Paramphithoe, Bruzelius. 

 Family Atylidae. Atylus, Leach. Family Melphidippidae. Mel- 

 phidipipa, Boeck. Family Edsiridae. Eusirus, Kroyer. Family 

 Bateidae. Batea, F. Miiller. Family Pontogeneiidae. Pontogeneia, 

 Boeck. Family Gammariuae. Gammarus, Fabricius (Fig. 132) ; 

 Niphargus, Schiodte; Synurella, Wrzesniowski ; Melita, Leach. Family 

 Dexamixidae. Dexamine, Leach ; Polycheria, Haswell. Family Talitrioae 

 (Orchestiidae). Talitrus, Latreille ; Orchestia, Leach ; Hyalella, S. Smith. 

 Family Aoridae. Aora, Kroyer. Family Photidae. Photis, Kroyer. 

 Family Isaeidae. Isaea, H. Milne-Edwards. Family Amphithoidae. 

 Amphithoe, Leach. Family J assidae (Podoceridae auctt.). /a^so, Leach 

 (Podocerus auctt.). Family Corophiidae. Gorophium, Latreille. Family 

 Cheluridae. (7/ieZMra, Philippi. Family Podoceridae. Podocerus, hesich 

 ( = Platophium, Dana). Family Hyperiopsidae. Hyperiopsis, G. 0. Sars. 



Scb-Order 2. Hyperiidea, Dana (1852). 



Head not coalesced with second thoracic soniite ; palji of maxillipeds 

 absent ; all the thoracic legs present, coxopodites small or coalesced with 

 the body ; abdominal somites generally distinct, with well-developed 

 ai)pendages ; eyes generally very large. 



Family Scixidae. Scina, Prestandrea. Family Vibiliidae. Vibilia, 

 H. Milne- Edwards. Family Cyllopodidae. Gyllopus, Dana. Family 

 Laxceolidae. Lanceola, Say. Family Cystisomatidae. Gystisoma, 

 Guerin. Family Paraphronimidae. Paraphronima, Glaus. Family 

 Phroximidae. Phronima, Latreille (Fig 136). Family Mimoxectidae. 

 Mimonedes, Bovallius. Family Hyperiidae. Hyperiu, Latreille ; Phroni- 

 mopsis, Glaus ; Euthemisto, Bovallius. Family Phrosixidae. Phrodna, 

 Eisso. Family Phorcorrhaphidae. Phorcorrhaphis, Stebbing. Family 

 PiiATYSCELiDAE. PUilyscelus, Spence Bate. Family Scelidak. Thyropus, 

 Dana. Family Proxoidae. Pronoe, Guerin. Familj' Tryphaxidae. 

 Tryplmna, Boeck. Family Oxycephalidae. Oo:ycephalus, H. Milne- 

 Edwards ; Rhabdosoma, White (Fig. 133). 



16 



