INDEX. 



315 



Salaster 



Salia vulgaris 



Saxicava < .. 



Scallop 



Scalpellum vulgare 

 Scyllium canicula . . 

 Scyllium stellare r . 



Sea-lions 



Sea-mat 



Sea- water 



Sea- weeds 



Self-acting air-can . . 

 Sepia ofncinalis 

 Sepiola Rondeletii 



Sepiostaire 



Serpulae 



Sertularians 



Shrimp, common .. 



Silurus 



Sipunculidae 



Sloped-back tanks . . 

 Small marine tanks 

 Small-spotted dog-fish . 

 Soil of bottom of tanks 

 Southport Aquarium 

 Sparganium ramosum . 

 Specific gravity beads . 

 Sphaerium lacustre 



Spider crabs 



Spongilla fluviatilis 



Star-fish 



Stauroneis 



Stephanoceros eichornii 

 Stickleback .. .V . 

 "Stock "glass ..- . 

 Stratiotes aloides .. 

 Syngnathus acus . . 

 Syngnathus anguineus . 

 Syngnathus sequoreus . 

 Syngnathus typhle 

 Syphon circulation 



PAGE 



.. 283 



.. 224 



243 



243 



.. 276 



173, 182 



.. 183 



.. 177 



.. 248 



.. 156 



H5 



.. 159 



.. 231 



233 



.. 232 



.. 284 



.. 249 



264 



.. 68 



.. 284 



.. 152 



140 



173 



45 



22, 169 



93 



157 

 .. 103 

 .. 270 

 123, 306 

 .. 282 

 .. 119 

 .. 129 



59 

 -. 38 

 .. 85 

 .. 218 



.. 220 



.. 2I 9 



.. 218 



153 



