Index. 



Monterey Bay, 1, 39. 

 Monterey district, 3, 15. 

 Morsaii, T. H., cited, 211, 212. 

 MiK-nniella, 2itS. 307. 

 Mucronella californica, sp. nov., 

 308. 

 pavonella, 308. 

 M jiriapora, 294. 

 .Myriozoidae, 256, 284. 

 ^lyriozoum, 294. 

 Myriozoum coaretatum, 295. 

 crustaceum, 295. 

 subgracile, 296. 

 NathansoD, A., cited, 346, 385. 

 Neapolitan s])eeiniens. 40. 

 Notes on some obscure Species of 



Ceratium, 3S7. 

 Notes on two Amphipods of the 

 Genus Corophium from the 

 Pacific Coast, 227. 

 Octacnemus, 26. 

 Oka, O., cited, 12. 

 Okamura, K., and Nishikawa, T., 



cited, 389. 

 Organs, renal, 5. 



Orifice, atrial, in Benthascidia, 25. 

 Ostwald, W., cited, 346, 375. 

 Papillae, secondary lobes of, in 



Ciona mollis, 38. 

 Pedicellariae, 59. 

 Peduncle, of Benthascidia, 26. 

 Pera, 7. 



Peridininm ovatuni, 348. fig. 4. 

 Peropliera, 38. 

 Phylaetella, 298, 306. 

 Phylactella eollaris, 307. 

 Pizon, A., cited, 8. 

 Point Argnello, 2. 

 Point Conception, 1, 2, 3. 

 Polyclinidae, 2. 

 Porella, 298, 300. 

 Porella concinna, 300. 

 Porellina, 281. 

 Porinidae, 256, 283. 

 Preyer, W., cited on the starfish, 



58, 121, 150, 152. 

 Psanimaplidinm obesnni, 42. 



spauldingi, n. sp., 2, 41. 

 Reactions of starfish, 53. 

 Eegeneration, assimilative, 353; in 

 Ceratium, 377 ; after autotomy, 

 377; after schizogony, 377; re- 

 generative growth independent 

 of autotomy, 379; regulatory 

 nature of regeneration of the 

 horns, 381 ; significance of, 

 381. 

 Renal organs, 5, 6. 



EeptescltarcJla, 279. 

 lieptofiustra tclacea, 267. 

 lleptoporina, 281. 

 lieptoporina mahisii, 282. 

 Beptoscharella personata, 289. 

 Ecsiiiration in the starfish, 59. 

 Eetepora, 298, 309. 

 Retepora pacifica, sp. nov., 254, 

 ;uo. 

 pacifica catalinensis, subsp. nov., 

 254, 311. 

 Ehabdocynthia, 7, 8. 

 Khizomolgula, 26. 

 Righting reaction of the starfish, 



120. 

 Ritter-Davis, cited, 188. 

 Ritter, Wm. E., 1 ; cited, 13, 189. 

 Robertson, Alice, 253. 

 San Diego Bay, 197. 

 San Diego, Contributions from the 

 Laboratory of the Marine Bio- 

 logical Association of, 53, 187, 

 2.53, 345, 387. 

 San Nicolas Island, 3. 

 Saville-Kent, W., cited, 388. 

 Schizogony, relation of, to ecdysis, 



347. 

 Schizoporella, species of, 285. 

 Schizoporella areolata, 285. 

 auriculata, 285, 286. 

 biaperta, 285, 287. 

 cecili, 285, 288. 

 hyalina, 285, 289. 

 insculpta, 285. 

 linearis, 254; var. inarmata, 285, 



291. 

 longirostrata, 285, 291. 

 oligopus, sp. nov., 285, 292. 

 tumulosa, 285, 293. 

 Schiitt, F., cited, 350, 387. 

 Sea-urchin, combat of, with star- 

 fish, 88. 

 Selenariidae, 256, 314. 

 Senile forms in Ceratium, 355. 

 Sluiter. C. Ph., cited, 8, 20, 31. 42. 

 Smittia, 298, 301 ; species of, 302. 

 Smittia californiensis, sp. nov., 

 302, 303. 

 collifera, sp. nov., 302, 304. 

 landsborovi, 302, 305. 

 reticulata, 302, 306. 

 trispinosa, 302. 

 Specific gravitv of Dolichoglossus 



pusillus, 198. 

 Specific surface, 360, 381; relation 



of, to autotomy, 374. 

 South African coast, 42. 

 Spicules, 40, 42 ; calcareous, 3, 4, 7, 

 42. 



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