208 



INDEX. 



Labrador current, i. 241. 



Lagena distoma, ii. 165. 



Lamellibranchs, ii. 02. 



Land animals, distribution of, from the arctic, 



i. 166. 



Land connections, former, i. 121. 

 Land tortoise of West Indies, i. 115. 

 Lang-ley on color of atmosphere, i. 307. 

 Larval forms, retardation of development 



of, i. 175. 

 Leconte, Joseph, theory of coral reef of 



Florida, i. 55. 

 Lefroyella decora, ii. 171. 

 Lemuria, i. 126. 

 Lenz, i. 249. 



on deep-sea temperatures, i. 46. 

 Lepas anatifa, i. 182. 

 Lepidisis, ii. 145. 

 Leptocephalus, i. 121. 



a larval form, i. 175. 

 Leptonemus discus, ii. 154. 

 Leptothyra induta, ii. 68, 00. 

 Lescarbot on warm water in North Atlan- 

 tic, i. 252. 

 Leucosoidea, ii. 38. 

 Level, difference of, between Sandy Hook 



and Mississippi, i. 249. 

 Leydig, on accessory eyes of fishes, ii. 22. 



on phosphorescent organs of fishes, ii. 22. 

 Light, absence of, beyond 100 fathoms, i. 165. 

 penetration of, i. 305. 

 Pourtales on penetration of, i. 305. 

 Sarasin and Fol on penetration of, i. 305, 



306. 

 Sarasin and Soret on penetration of, 



i. 306. 

 Verrill on color of at great depths, i. 



305. 

 " Lightning," deep-sea temperatures* by, i. 



46. 



Expedition of the, i. 43. 

 Limestone banks, of Gulf of Mexico, i. 63. 



submarine position of, i. 65. 

 Limestone and volcanic peaks, i. 64. 

 Limestone, formed by pelagic animals, i. 85. 

 deposits of coarse, i. 141. 

 of Caribbean, i. 63. 

 of Grande Terre, i. 63. 

 of Southern Cuba, i. 63. 

 of West India Islands, i. 64. 

 of Yucatan and other plateaux, i. 72. 

 Limestone deposits, formation of, i. 90. 

 Limestone plateaux, i. 131. 

 Limestone terraces, of Windward Islands, i. 



64. 

 of Barbados, i. 63. 



Limopsis aurita, ii. 73. 



Limit of animal life, Edward Forbes on, i. 40. 



Limits of " Blake" dredgings, ii. 12. 



Line of soundings, across eastern Caribbean, 



i. 100. 



east of Cape May, i. xx. 

 from Cape San Antonio to Sand Key, 



i. ix. 



from Curagoa to Alta Vela, i. 100. 

 from Curagoa to mainland, i. 99. 

 from Yucatan Bank to Alacran Reef, i. 



ix. 



north of Cape Hatteras, i. xx. 

 Lindahl on Umbellula, i. 40. 

 Lindenkohl, on 140 fathom hole, i. 95. 

 Linerges mercurius, i. 186. 

 Lingula, a littoral species, i. 169. 



a shallow-water animal, i. 151. 

 Liparidse, ii. 28. 

 Liriope, i. 183. 

 List of .foraminifera found in globigerina 



ooze, i. 265. 

 Lithistida3, ii. 12, 175. 

 Zittel on, ii. 175. 

 Lithodes Agassizii, ii. 39, 40, 41. 

 Littoral belt, i. 157. 

 Littoral bottom deposits, i. 260. 

 Littoral fauna, i. 162, 165. 



position of, i. 141. 

 Littoral regions, character of fauna of, i. 



107. 

 Littoral species, bathymetrical range of, i. 



302. 

 Littoral types, adaptation of, i. 207. 



migration of, i. 207. 

 LituolinaB, ii. 163. 

 Liversidge, i. 148. 

 Ljungman, i. 42. 



Loggerhead Key, oolitic and breccia lime- 

 stone at, i. 67. 

 Lophius piscatorius, ii. 31. 

 Lophohelia prolifera, ii. 151. 

 Lopholatilus chamseleonticeps, ii. 29. 

 Loriol, P. de, ii. 99. 

 Love"n, S., i. 42. 



on derivation of abyssal fauna, i. 155. 

 on geographical range of deep-sea types, 



ii. 15. 



Lucifuga of caves of Cuba, ii. 26. 

 Lump fishes, ii. 28. 

 Lump suckers, ii. 28. 



Liitken, on West Indian Pentacrinidae, ii. 118. 

 Lycodidae, ii. 26. 

 Lyell, on land and oceanic hemispheres, i. 



241. 

 Lyman, T., Report on Ophiurans, i. xxi. 



