288 



THE LIFE OF CRUSTACEA 



and structure, 195 ; breed- 

 ing, 199 



Robertson, David, on habits 

 of Crabs, 97 



Rock Lobster. See Spiny 

 Lobster 



Rostrum of Lobster, 6 



Sacculina, 23 1 



Salt lakes, Branchiopoda of, 



165 



Sand-burrowing Crustacea, 97 

 Sand-hoppers, 52 ; habits, 107, 



189 



Sapphirina, 150 

 Sargasso Sea, 155 

 Scampo, 240 

 Scapellum, fossil, 261 

 Scaphognathite, 19 

 Schtzopod stage of Lobster, 



7 1 ; of Penanis, 75 

 Scylla, 249 



Scyllaridae, fossil, 269 

 Scyllaridea, 59; Phyllosoma 



larvae, 149 ; fossil, 268 

 Scyllarus, fossil, 269 

 Sea-slater, 200 

 Sea-anemones : and Hermit 



Crabs, 213 ; carried by Crab, 



215 



Sea-crawfish. See Spiny Lob- 

 ster 



Sea-urchin, Crab living in, 

 218 



Sedentary Crustacea, 114 



Self-mutilation in Lobster, 30 



Senses of Lobster, 25 



Sergestes, zoea of, 75, 148 



Serial homology, 10 



Sesarma, habits, 180, 189 



Sessile Barnacles, 43 



Sexes of Lobster, 26 



Sexual characters of Crabs 

 infected with Sacculina, 235 



Sharks, Barnacle parasitic on, 



235 



Shore Crab, 64 ; larval stages, 

 68; habits, 107, 188; in- 

 fested by Sacculina, 231 ; 

 used for food, 249 



Shrimps, 58; fresh-water, 53, 

 172 ; Common, habits of, 97 ; 

 protective resemblance, 108; 

 living with Mollusc, 218 ; 

 fishery, 244. See also Brown 

 Shrimp, Pink Shrimp, etc. 



Sight, sense of, in Lobster, 21 



Skeleton Shrimps, 109 



Slaters, 51 ; Sea-, 200 



Sloane, H., on Gulf-weed 

 Crab, 155 



Smell, sense of, in Lobster, 24 



Smith, G. : on terrestrial Am- 

 phipoda, 189; on develop- 

 ment of Sacculina, 233 



Smith, S. I., on habits of Ocy- 4 

 pode, 105 



Somites of Lobster. 6, 8 



Southern Crayfishes, 176 



Spencer and Hall on Aus- 

 tralian Branchiopoda, 161, 

 163 



Sperm-receptacle of Lobster, 



27 

 Spider Crabs, 64 ; masking 



habits, 96, 215 ; deep-sea, 128 

 Spiny Lobster, 59 ; larva of, 



72; fishery, 240 

 Spirontocans, Isopod parasitic 

 " on, 221 



: Sponge Crab, 95 

 Sponges, Crustacea in, 210 

 Spongicola, 210 

 Squilla, 64 ; larva of, 80 ; fossil, 



266 



Stalked Barnacles, 43 

 Statocyst of Lobster, 24; of 



Mysidacea, 47 

 ! Statolith, 47 

 Stebbing, T. R. R. : on Land 



Crabs, 190 ; on habits of 



Cirolana, 219 

 Steinkrebs, 242 

 Stenopidea, 59; fossil, 267 

 Stenorhynchus, 97 

 Sternum, 9 

 Stevenson, R., on the Gribble, 



254 



Stomach of Lobster, 16 

 Stone Crab, 61, 94 



