292 MR. A. O. WALKER ON THE 
2u. Mar. 6. Between Pomponia and Carquerannes, 2—4 fath., 
sand and Posidonia. 
The shore is for the most part sandy and covered with the 
spiny débris of Posidonia Caulini, Kon. (= Zostera oceanica, 
All.). On the rocks at Cap d’ Antibes, and at Pomponia, Hyéeres, 
I was unable to find any Hydrozoa or Polyzoa, and Alge were 
extremely scarce. 
BRACHYURA. 
PACHYGRAPSUS MARMORATUS (Huabr.). 
Under stones. St. 2,1 H. 
In its habits this species resembles our familiar shore-crab, 
Carcinus menas, but runs more swiftly when disturbed. 
Acuazvs Crancutit, Leach. 
St. 5. One young. 
ANOMURA. 
EUPAGURUS ANGULATUS (sso). 
St. 5. One specimen. 
GALATHEA sp. 
St. 5. One: too young for identification. 
MACRURA. 
CRANGON ScULPTUS, Bell. 
St. 3, 5. 
One specimen was infested with a parasite under the thorax. 
ATHENAS NITESCENS, Leach. 
St. 5. Three very young. 
HIPPOLYTE VIRIDIS (Of¢to). 
St. 1, 2H. 
Several, including a few with one tooth at the base of the 
rostrum on the upper side. All were bright green. 
HippoLytE GRACILIS (Heller). 
St. 24”. Four or five. 
HipPoLytE VARIANS, Leach. 
St. 6. A few young. 
PALHMON SQUILLA (Fabr.). 
St. 5. One young. 
