Index. 



I nt i 'i mediate Waters, properties 



of, HIT. 

 International Council for the Ex- 

 ploration of the Sea, 190. 

 [nternodes, measurements of, 171. 

 Interstitial canals of Hetero- 



pora, 258. 

 Intrinsic factors in the evolution 



of color, 286. 

 Irene, 26. 

 eoerulea, 27. 

 mollis, 26. 

 Johnson, Myrtle K„ 66, 74, 91, 



145. 

 Kelsev, F. \V., Ill, note. 

 Kinetonucleus in Trypanosoma, 



130. 

 Kleeberger, F. L., 115. 

 Kofoid. C. A., acknowledgment 



to, 356; cited, 177. 204, 



364, 372. 

 Kofoid closing water-bucket, 190. 

 Lacaze-Duthiers, H. de, cited, 73, 



97. 

 La Jolla, California, 198. 

 " Langenperiode der Interno- 



dien," cited. 168, 172. 

 Larva, protostigmata in, 79. 

 Larvae, in colony of Cyclosto- 



mata. 227. 

 Latent bodies formed by Try- 



panosomes, 132. 

 Law and order, 5, 80, 83, 85; in 



individual, 85. 

 Law of growth, 175; of zooids of 



Salpa chain, 146. 

 Leda. 364. 

 Length period of internodes of 



Equisetum robustum. 168, 



171. 

 Leptomedusae, 1 2. 

 Leptomedusae, The, of the San 



Diego Region, 1 1 ; bibliog- 

 raphy. 30. 

 Lichenopora, 260; kev to species 



of, 261. 

 Lichenopora calif ornica, 261. 

 radiata, 261, 262. 

 verrucaria, 261, 263. 

 Lichenoporidae. 260. 

 Ligula. 421, 427. 

 Liverpool School of Tropical 



Medicine, 127. 

 Localities of ' density and tem- 

 perature determinations. 



190, 196. 197, 198. 

 Loeb. Jacques, acknowledgment 



to, 356. 

 Longchamps, 79. 

 Lonnberg, E„ cited, 355, 356, 361, 



362. 363. 372, 374, 378, 384, 

 385, 386, 388, 393, 404, 408, 

 411, 412. 415, 416, 422, 423, 

 424. 



Looss, A., cited, 420. 



McClen.lon, J. F.. 33. 



McEwen, G. F.. 189; physicist of 

 Marine Biological Station, 

 La Jolla, California. 91; 

 acknowledgment to, 94. 



McMurrich, J. P., cited. 115. 



Macraspis, 365. 



Mactra, 377. 



edulis, 357, 358, 359, 360, 382, 

 418. 



Madrepora verrucaria, 263. 



Malacobdella, 358. 359. 



Marine Biological Association of 

 San Diego (La Jolla), ac- 

 knowledgments to, 185; 

 contributions from. 1. 11, 

 33, 65, 115, 145, 189, 356; 

 hydrographic work, 189. 



Markings, directive, 285. 



Marshall, G„ 285. 



Mathematical treatment of data 

 on Halocvnthia johnsoni, 

 87. 



Matter, principle of conservation 

 of. 3. 



Maturation, process of, in Gyro- 

 cotyle, 403. 



Maupas, E., cited, 87, 97. 



Melicertum proboscidifer, 12. 



Melobesia radiata, 262. 



Mendelists, 83. 



Menstrua in Halocynthia john- 

 soni, 96. 



Merism. 81, 87. 



Mesenteripora. 245. 251. 

 meandrina, 251. 



Mesonema, 27. 



eo< rulesa ns, 27, 2s. 

 pensile. 28. 

 victoria, 11. 



Metamerism, 81. 



Method of making density and 

 temperature observations, 

 190; of testing. 192; of 

 weighing developing eggs, 



Mexico, coast currents, 201. 

 Migration, cause of adaptation in 



ascidian species, 89. 

 Mimicry, 184. 



Mm, it. C. S„ 2; cited, 87, 97. 

 Mitrocoma. 17. 



discoidea. 17. 23, 26. 



mbenga, 23. 

 Mitrocomidae, 16. 



[474] 



