INDEX 



443 



Earth Inductor, land work, 203, 252, 253, 256; pi. 17, fig. 



4; see Marine Earth-Inductor 

 Earth's Magnetism, extent of data, 358, 423, 424; pis. 20, 



23-25; greater problems of, 438 

 Edmonds, H. M. W., 166, 168-170, 172, 234, 260 

 Engine, see Auxiliary Power 

 England, see Great Britain 

 Ennis, C. C 260, 432 

 Erebus and Terror, cruises, see pis. 23-25 

 Errors, charts, 165, 171, 173, 260, 423, 429; magnetic ele- 

 ments, 257, 258; geographic positions, 231, 257 

 Europe, 297-299, 3/0, 311 

 Extracts, Director's Instructions, 316-324; Field Reports, 



325-330 

 Falkland Islands, see Port Stanley 



Falmouth, 164, 165. 169, 171, 187, 189, 241, 261, 284, 297, 

 298, 310, 331, 332, 345-347; see Falmouth Observatory, 

 Trefusis Point 

 Falmouth Observatory, 164, 298, 310, 311; see Falmouth 

 Farr, C. Coleridge, 174 

 Fernando, S. M., 314 

 Field Reports, 325-330 

 Fiji Islands, 308, 315; see Suva, Suva Vou 

 Fisk, H. W., 260 



Fleming, J. A., 155, 177, 190, 196, 260 

 Forms, 176; specimens, 212-2.30, 234, 240, 243-250 

 Foveaux Strait, local disturbance, 174, 291 

 Fox, W. L., 169 

 Frary, H. D., 169, 260 

 Freitas Beach, see Rio de Janeiro 

 Funchal, 164, 262, 304, 3H, 331, 332 



Galilee, 157, 160; summary of sea work, 358; pis. 20, 23, 24 

 Galvanometer, for use with earth inductor, 199; pi. 14, fig. 4 

 Gardiners Bay, 164, 165, 172, 261, 263, 285, 287, 330, 333, 



347, 349, 350, 434-437 

 Gauss, 167-169, 432; cruises, pis. 23, 25 

 Gazelle, cruises, pis. 23-25 



Geographic Positions at Sea, methods and specimen observa- 

 tions, 225-231; accuracy of, 231, 257; pi. 16. fig. 1 

 Gielow, H. J., 159, 165, 172 



Gimbal Stand, mounting on ship, 158; 195-197; pi. 14 

 Glazebrook, R. T., 169 

 Graduation Errors, compass cards, 232-236 

 Great Britain, 169, 297, 298, 310, 311; see Falmouth 

 Greenport, 165, 169, 171, 187, 189, 287, 299, 311, SIS, 333, 



346, 347, 349, 434 

 Grenfell Association, 170 

 Grotta, 304, 313; see Reykjavik 

 Guam, 175, 176, 355, 356 

 Haaien Island. 299, 311 

 HamUton, Bermuda, 164, 263, .331, 332 

 Hammerfest, 170, 171, 238, 286, 298, 299, 311. 348, 349; pi. 



16, fig. 2 

 Harradon. H. D., 260 

 Hartnell, G., 165 

 Hawaiian Islands, see Honolulu 

 Hewlett, C. W.. 168, 169, 200, 260 

 Hielmen Island, 299, 311 



Honolulu, 172, 173, 350, 351, 356; see Honolulu Observatory 

 Honolulu Observatory, 173, 324; see Sisal 

 Horizon, Dip of, 357; measurer, 205, 208, 209, 211 

 Horizontal Intensity, sea deflectors, 190-195; specimen sea 

 observations, 216-218; reduction formulse, 236-241; 

 instructions. 316-324; pis. 12, 13 

 Hudson Bay Work, 170; pis. 23, 24 

 Humboldt, von, thunder at sea, 325 

 Hunt's Island or Spectacle Island, 164. 303, 313 

 Iceland, 303, 304, 313, 314; see Reykjavik 

 Inclination, see Magnetic Inclination 

 Indian Ocean, 267-272 (cruise II): chart corrections, 426, 



427; see Southern Oceans, Islands Indian Ocean 

 Inductor, see Earth Inductor 

 Instructions, Director's, for cruises and work, 316-324; see 



Methods of Work 

 Instnimental Outfit, 203-211 



Instruments, 177-203; Ust and designations, 203-211; com- 

 parisons of, 203 

 Intensity, see Horizontal Intensity, Total Intensity 

 International Magnetic Standards, 232 

 Investigations, special, 357, 438 

 Islands, Atlantic Ocean, 303-306. 313, 314 

 Islands, Indian Ocean, 306, 307, 314, 315 

 Islands, Pacific Ocean, 308, 309, 315 

 Jaburu, near Bahia, 168, 241, 301, 313; pi. 19, fig. 2 

 Jamestown, 168, 281, 282, 344-347; see St. Helena 

 Java, 307, 314; see Batavia 

 Johnston, H. F., 166, 169, 170, 172, 260 

 Jones, B., 172, 260 

 Kelvin Compass, 203, 206, 208 

 Kialarnes, 303, 313; see Reykjavik 

 Kidson, E., 164, 166, 169, 170, 260 

 King Edward Cove, 174, 327, 353; pi. 18, fig. 1; see South 



Georgia 

 Knoche, Walter, 168 



Land Dip-Circle, descriptions and corrections, 254-258 

 Land Magnetic Instruments, 203, 204, 206, 207, 209, 210, 



252-256; pi. 17, fig. 4 

 Latitude Observations, at sea, 229-231 ; pi. 16, fig. 1 

 Lindsay Island, position of, 327. 328 

 Littlefield, C. E., 164 



Local Disturbance, magnetic, 164, 171, 172, 174. 261. 263, 

 269, 272, 275, 284, 286, 287, 290, 291, 299, 300, 303-305. 

 307, 309; designation for, 260 

 Logs, Abstracts of, 330-357 

 Long Island Sound, pi. 8, fig. 1 

 Longitude Observations, at sea, 228-231 

 Longwood, 187, 189, 241, 304, 305, 314: see Jamestown 

 Loring, C. F., 172. 260 

 Luke, I. A.. 170, 172, 260 

 Lyttelton, see Port Lyttelton 

 Madeiras. 304. 314; see Funchal 

 Magnetic Charts, corrections of, 165, 171, 173, 260, 423^29; 



construction of, 427, 438 



Magnetic Declination, sea instruments, 177-190; Ust and 



designations, 203, 204, 206, 208, 210; specimen sea 



obser^-ations, 212-216; reduction formulae, 232-236; 



instructions, 316-324; pis. 7 (fig. 4), 11 (fig. 3), 16 (fig. 3) 



Magnetic Disturbance, see Local Disturbance 



Magnetic Elements, accuracy, 257. 258; corrections. 259; 



261-309; annual changes. 430-435 

 Magnetic IncUnation, sea dip-circles, 195, 196; marine earth- 

 inductor, 196-202; specimen sea observations and com- 

 putations, 221-224; specimen land observations, 243 

 244; reduction formulae, 242, 250-252; instructions, 

 316-324; pi. 7, fig. 5 

 Magnetic Instruments, for land, 203, 204, 206, 207, 209, 210; 



Constants and Corrections, 252-256; pi. 17, fig. 4 

 Magnetic Instruments, for sea. general considerations, 177; 

 descriptions, 177-202; mounting aboard, 202, 203; pis. 

 9 and 11-16 

 Magnetic Instruments. Ust of. 203-211 



Magnetic Intensity, see Horizontal Intensity, Total Inten- 

 sity 

 Magnetic Observations. 1909-1916, Ocean, difficulties, 157- 

 159; specimens, 212-225; explanatory remarks, 257-260; 

 distribution of stations. 260; observers and_ computers. 

 260, 261-295; pi. 15, fig. 2; see Observations 

 Magnetic Observations, 1909-1914, Shore, specimen observa- 

 tions, 234, 240, 243-246, 248-250; 296-309; 310-315; 

 pis. 16, 19; see Observations 

 Magnetic Standards Adopted, 232 

 Magnetic Stations, distribution at sea. 260, 358; descriptions 



of shore, 310-316 

 Magnetic Sur\-ey3, Ocean, status 1916, 358; see" Earth's 



Magnetism 

 Magnetic Work, summary sea work, 358; pis. 20, 23-25; see 



Magnetic Observations 

 Magnetometers, 203, 252-254; pi. 17, fig. 4 

 Manila, 273, 338-340, 347; see Antipolo 



