INDEX* 



Titles of papers and names of new species in boldface. 



Abbreviations for character of ocean 

 bottom, 204. 



Alexander Agassiz, The, 7 ; descrip- 

 tion, 8; equipment, 9-13. 



Apparatus used by Scripps Institution 

 in hvdrographic observations, 9- 

 13, 209-214; errors due to, 21-26. 

 Collecting: Combination, 13, illus- 

 trated, 12; Ekman reversing 

 water bottles, 12 ; Kof old closing- 

 net, 11, 22, 201, illustrated, 12; 

 Kofoid water bottle, 11, attach- 

 ments, 212-214, illustrated, 213; 

 Nansen closing-nets, 10, 201 ; 

 Eichter thermometer, 15 ; serial 

 closing, 209-211; subsurface 

 pump, 11; surface nets, 9, 201. 

 Measuring: Fox, gas content, 12.5; 

 hydrometers, 30 ; pycnometers, 

 28; sinker, 34, illustrated, 35. 

 Sounding: Thompson's sounding 

 machine, 9, 126. 



Avalon, Santa Catalina Island, seaside 

 laboratory, 5. 



Beaufort, South Carolina, Marine Bio- 

 logical Station, viii. 



Behavior, animal, in laboratory experi- 

 ments, xii, xiii. 



Biology, marine, discussion of, iii-xi ; 

 primary obligation, iv, x, xxii ; 

 contribution to evolution and 

 heredity, iv; relation to general 

 biology, vii, xxii ; institutions con- 

 tributing to science of, viii. See 

 also Cytology ; Ecology ; Embry- 

 ology ; Methods ; Morphology ; 

 Physiology ; Scripps Institution. 



Bjerruni, estimate of error in specific 

 gravity, 39. 



Brenneck, experiments on percentage 

 of error in depth determinations, 

 21. 



Buchanan, estimate of error in specific 

 gravity, 38. 



Cabral, Captain, 6, 7. 



Cerros Island, 7. 



Circulation. See Oceanic circulation. 



Commission for the Scientific Investi- 

 gation of the German Seas, xix, 



XX. 



Contour maps of ocean bottom region 

 explored, 257, 258, opp. 282, 284, 

 286, 288. 



Convective oceanic circulation, 258. 

 See also Oceanic circulation. 



Coronado, zoological laboratory, 6, 7 ; 

 distribution of isohalines and iso- 

 therms in region of, 263. 



Cortez Banks, 7. 



Crandall, W. C, acknowledgment, 4. 



Cytology, problems of, as branch of 

 marine biology, iii, v, viii. 



Dead reckoning, used to determine 

 position, 20. 



Dependence of Marine Biology upon 

 Hydrography and Necessity of 

 Quantitative Biological Be- 

 search, i-.xxiii. 



Depth, determination of, 20-21 ; error 

 in, 21, 214-216; relation of den- 

 sities to, 25. 



Dickson, H. N., estimate of error in 

 specific gravit}', 38. 



Ecology, problem of, as branch of 

 marine biology, iv, v, vii, viii. 



Ekman, V. W., hydrodynamical theory 

 of oceanic circulation, 277. 



Ekman reversing water bottle, 12. 



Elsie, The, 6. 



Embryology, problem of, as branch of 

 marine biology, iv, v, viii. 



Errors, in temperatures of Kofoid 

 water bottle, 14, 15, 214; in field 

 observations, 18-25 ; due to posi- 

 tion, 18-20, to inclination of 

 cable, 20, to collecting apparatus, 

 21-26 ; from use of Nansen nets, 

 23 ; in salinity, 25 ; in specific 

 gravity, 30, 31, 32, 36; due to 

 .judgment of color, 39, 40; in 

 hydrographic records (depth, 

 salinity, temperature), 214-215; 

 methods of detecting, 215-216. 



Experiment vs. observation, xiii— xvi. 



Fathoms to meters, tables for convert- 

 ing, 205. 



Field observation vs. laboratory ex- 

 periments, xi-xvi ; laboratory lim- 

 itations, xii, xiii ; pseudo-scientific 

 speculation illustrated, xiv; mu- 

 tual dependence, xv. See also 

 Behavior, animal. 



Field observations, causes of errors in, 

 18-25; tabulation of data, 133- 

 198. 244-254. See also Appa- 

 ratus; Hydrographic records. 



Fox, C. J. H., apparatus for determin- 

 ing gaseous content of sea-water, 

 125. 



Gaseous content of sea-water, 125. 



' Univ. Calif. Publ. Zool., vol. 15. 



[357] 



