REPORT ON THE AMPHIPODA. 



249 



Cephalasjiis, A. Costa. 

 1 Seticauda, A. Costa 



Dexamine, Leacli. 



1 Pelagica, Eisso . 



2 Spinosa, Mont. . 



Enone, Risso. 

 1 Punctata, Risso . 



CapreUidae. 

 Caprella, Lam. 



1 Pliasma, Mont. . 



2 Linearis, Lat. 



3 Punctata, Risso . 



4 Acutifrons, Desni. 



Napoli 



Nizza 

 Napoli 



Nizza 



Audouinia, A. Costa. 

 1 Acherusica, Costa 



Corophium, Lat. 

 1 Longicorne, Fab. 



Sannazaria, Costa. 

 1 Pallida, Costa . 



Napoli 

 Nizza 

 Id. 

 Napoli 



Laemodipoda. 



Cyamus, Desm. 



1 Ceti, Fab. 



2 Acutifrons, Costa 



3 Littoralis, MuUer 



Fusaro 



Antibo 



Napoli 



Nizza 



Sicilia 



Nizza 



As genera incertse sedis are given Hexona and Zuphea of Risso, with their respective species 

 Parassitica and Sparicola. An addendum is given Generi Amphithonotus. Guttatus, 

 A. Costa, Napoli. 



Among the Asellidre, Leach, are placed Apseudes, Leach {Eupheua, Risso), with tlie species 

 Ugioides, Risso ; Ta7iais cavolini, Edw. ; OKska peniciUata, Risso. The Pranizidae, Hope, 

 contain eleven species of Praniza, and Ancaeiis fm'ficMlarig, Risso. 



The first Amphipod-species described, and the only one figured, is " Callisoma Hopei, A. Costa," 

 fig. 2. This is considered by Boeck as the typo species of Costa's genus CaUimma ; but 

 the description says " Secunda haec generis Callisoma species facUe a C. punctato distin- 

 guitur corpore minus elevato ; colore roseo vel subflavcscente imraaculato ; epinieris cjuarti 

 articuli thoracis inferne postice ad Ulorum quinti articuli medium marginis inferioris, neque 

 ad angulum infero-posteriorem usque productis. Long. lin. 2." The Callisoma punctatum 



(ZOOL. CHALL. EXP. — PART I.XVII. — 1S87.) Xxx 32 



