I m ) i : \ . 



207 



Hexactinellidse, ii. 1-, 170. 



Thomson. ('. Wyville. on, ii. 17<>. 

 Hierlatz, liassic beds of , i. III. 

 Hilgard Deep, i. L06. 

 Hilgard, E.. geology of Florida, i- 110. 

 Hilgard, J. E.. i. 49, 93. 



on Gulf of Mexico as a hydrostatic res- 

 ervoir, i. 249. 

 Hilgard' S aerometer, i. 21. 

 Hippothoa biaperta. ii. 81. 

 Hippurella anuulata. ii. 137, 138. 

 Histriophorus, i. 193. 

 Hoek on palaeontology of cirripeds, ii. 51. 

 Hoisting engines for dredge, i. 31. 

 Holopus, ii. 6. 



young, ii. 1l'4. 

 Holopus Rangi, ii. 123. 

 Holothurians. ii. 84. 



known previous to ■"Blake" Expedi- 

 tion, ii. 4. 



shallow-water genera of, ii- 84. 

 Holtenia. i. 40. 

 Holtenia Pourtalesii. ii. 17"). 

 Homalodromia. ii. 40. 

 Homolida?. ii. 40. 

 Homolopsis. ii. 40. 

 Hooker, i. 39. 



on giant kelp, i. 209. 

 Humboldt, i. 247. 



Humphreys and Abbott on Mississippi denu- 

 dation, i. 128. 

 Hunt, E. B.. on mud Hats of Florida, i. 60. 



theory - of coral reef of Florida, i. •">.">. 

 Hutton on Xev.- Zealand fauna, i. 122. 

 Huxley, Th. H.. on foraminifera at great 



depths, i. 4">. 

 Hyalea, i. 1S7. 265. 

 Hyalinoecia tubieola, ii. '■>'!. 

 Hyalineeeia tubes, ii. 57. 

 Hyalonema boreale. ii. 177. 

 Hyalonema, Japanese, ii. 17o, 174. 175. 



Leidy r on siliceous spicules of, i1. 17o. 

 Hyalonema Sieboldii. ii. 17-!. 

 Hyalopomatus Langerhansi, ii. 53, ~>~. 

 Hydrocorallinse, Moseley on, ii. 138. 

 Hydroids. report on by George J. Allman. 

 i- xxi. 



Allman on deep-sea. ii. 135. 



in fresh water, i. 153. 



known previous to " Blake " Expedition, 

 ii. 7. 



S. F. Clark on. i. xxi. 

 Hydromedusae, ii. 128. 

 Hymenodiscus Agassizii. ii. 105, 106. 

 Hyperammina elongata, ii. 162. 

 Hypsicometes, ii. •')'». 



[ce-borne deposits and rocks, i. 271. 



Infulasteridse, i. 159. 



"Ingegerd" and "Gladan," Expedition of 



the. i. 10. 



Iguana of Navassa, i. I lo. 

 [nland seas and enclosed seas, fauna of, i. 

 40. 



Inshore plateau, deposits on. i. 261. 

 Intermediate deep-sea forms, ii. 17. 

 Intermediate depths. "Challenger" l^x] i.< li- 



tiou en specimens from, i. 200. 

 Invertebrates, coloring matter of. i. 309. 



Subdivision of labor among, i. 215. 

 Ipnops, eyes of. ii. 34. 

 Ipnops Murrayi, ii. -VI. 

 Iridogorgia Pourtalesii, ii. 144. 

 Islands forming Central and South America, 



i. 113. 

 Isocardia cor, ii. 71. 

 Isolated rocky patches in Gulf of Mexico, ii. 



57. 

 Lsopod, blind, ii. 1 78. 



largest known, ii. 4'.t. 

 Isopods. ii. 48. 



report on by Harger, i. xxi. 

 Isospondyli. pelagic, ii. '■'<■'>. 

 Isthmus of Tehuantepec. closing of passage 



across, i. 1 IS. 



Jacoby, H. M., i. viii, '-V2. 



Janthina. i. 186. 

 Jeffreys. Gwyn, i. 43. 



on depth of cretaceous sea. i. 146. 

 Jenkin, Fleeming, report on animals attached 



to submarine cable, i. 44. 

 Johnson. J. A., i. J'.'. 

 "•Josephine,'" expedition of the. i. 42. 

 Julien, A. A., i. 115. 



Kelp. Hooker on giant, i. 209. 



Keys, formation of, i. 54. 



Keys formed by waste, i. 57. 



Key West Harbor, entrance to. i. ")4. 



Key West. Navy Depot, i. xi. 



Kinchinjinga, i. 106. 



"Knight Errant.'' Expedition of the. i. 



44. 

 Kohl, Geschichte des Golf Strom, i. 250. 

 Kolliker on "Challenger" pennatulids, ii. 



14.;. 



Kophobelemnon scabrum. ii. 142. 

 Kriimniel on elevation of continental masses, 

 i. 126. 

 on oceanic basins, i. 126. 

 Krusenstern. temperatures taken by, i. 46. 

 Kurtz, i. 4:1. 



