Index. 



Stages of early growth of Dolicho- 

 glossus pusillus, 200. 

 Starfish, behavior of, 53, 58 ; com- 

 bat with sea-urchin, 88 ; for- 

 mation of habits in, 148; in- 

 telligence of, 152; reaction of, 

 to light, 102; respiration in, 

 59; righting reaction, 120; 

 training of, 156; vision in, 

 110. 

 Stebbing, T. R. R., cited, 227-8. 

 Steganoporellidae, 256. 

 Stein, F., cited, 388. 

 Stimpson, W., cited, 227; original 

 description of Corophium spin- 

 icorne, 228 ; original descrip- 

 tion of Corophium salmonis, 

 229. 

 Stimulus of tornaria, 199. 

 Styela bathybia, 22. 

 bythia, 22. 



canopus var. magalhaensis, 22. 

 flava, 22. 

 gibbsii, 2, 23. 

 glans, 22. 



milleri, n. sp., 2, 21, 22. 

 oblonga, 22. 

 persona, 37. 

 pusilla, 22. 

 squamosa, 22. 



Styelas, abyssal, 22. 



Summaries, 183, 383. 



Surface, specific, reduction in, 360. 



Swimming cycles of Tornaria, 193, 

 199. 



Tadpole, gemmiparous tubes of, 

 43. 



Tentacles of Benthascidia, 27. 



Thalamoporella, 276. 

 rozieri, 254, 277. 



Tornaria, cilia of, 194; periods of 

 development of, 190; stimulus 

 of, 199; swimming cycles of, 

 193, 199. 



Training the starfish, 156. 



Tubercle, dorsal, of Benthascidia, 

 27. 



Tubes, gemmiparous, of the tad- 

 pole, 43. 



Uexkiill, J. V., 58, 65; on behavior 

 of sea-urchin, cited, 74, 79, 81. 



United States Bureau of Fisheries, 

 239. 



Viscera in Ciona, 39. 



Wesenberg-Lund, C, cited, 376. 



Wilson, E. B., cited, 202. 



Zederbaner, E., cited, 355. 



;4ooj 



