472 



INDEX. 



EEA 



Reaumur on Aphides, 123 

 Rhizochilus associated with Anti- 



pathes, 337 

 Rhysota, 285 

 Rossbach, experiments on lufusoria, 



106, 119 

 Rotatoria, distribution of, 305 



OACCULINA, 47, 340 



^ Schmankewitsch on Artemia and 



Branchipus, 156 

 Sclniltze on the structure of the eye in 



night-birds, 77 



on chlorophyll, 73 



Scopelidae, abdominal eyes of, note 124 

 Seidlitz on the effects of food on colour, 



66 



Semper, Georg, on Pieris, note 125 

 Sensitive hairs, 23 

 Sightless animals, note 19 

 Siphonophorae of surface water, 205 



of deep water, note 96 

 Sipunculidse associated with Hetero- 



psammin, 335 



with Heterocyathus, 835 

 Sorby on chlorophyll in animals, 73 

 Spermophilus citillus, 112 

 Sphenopus, 75 



Sponges, structure of, 73 



take up foreign spiculae, note 18 



associated with algae, 343 



compared with lichens, 343 

 Spongia cartilaginea, 344 

 Statoblasts of Bryozoa, 112 

 Stenothermal animals, 105 

 Stentor viridis, 75 

 Stickleback, 146 



Strix grallaria, 68 



Sudis gigas, mode of respiration, 190 



rTEMNOCEPHALA chilensis, 293 



Tergipes, winter eggs of, 136 

 Thacker on the origin of the four limbs 

 in the vertebrata, note 5 



ZCEA 



Tracheae in insects, 180 

 their distribution, note 79 

 Trematoda, 351 

 Trichina, 56 

 Turbellarians, 71 



T]NIO, 298 



*J Us*ow on the abdominal eyes of 

 the Scopelidae note 124 



"\7ERTEBRAL column, note 2 

 Vortex viridis, 73 



"WAGNER'S separation theory, 



' 290, notes 110, 111 

 Wallace on the faunas of Eastern 

 Asia, 283, 311 



of West African Islands, 295 



on the origin of colouring, 385 



on geographical distribution of 

 animals, 32 



on mimicry, 384 



on the action of constant strong 

 currents, 315 



Weismann's experiments, 117 

 West Africa, islands of, 295 

 Wiechmann on the fossils of the Pe- 



lews, 259 

 Wilder on the respiration of Ganoid 



fishes, note 75 

 Wittich on the effects of light on the 



chromatophores, 95 



VESTA, 286 



A- mimicking Rhysota, 395 



Cumingi, 397 



ryELLER on Diplozoon r.nd Poly- 

 ^ stomum, 124, 134 

 Zo?a stage of crabs, 81 



