INDEX. 



835 



(Garlton Hills), 115. Physical Features of the 

 District, 115. Part I. — The Lower Basic 

 Lavas, 116. Part II. — The Upper, more Acid 

 Lavas (Trachytes), 119. Part III.— The Vol- 

 canic Vents, 122. 



Heart (Mammalian), Action of the Valves of. By 

 D. Noel Paton, M.D., 179. 



Horne (John) and J. J. H. Teall. On Borolanite, 

 — an Igneous Kock intrusive in the Cambrian 

 Limestone of Assynt, Sutherlandshh'e, and the 

 Torridon Sandstone of Ross-shire, 163. 



Hybridity, The Bearing of, on Biological Problems, 

 272. 



Hybrids (Plant), A Comparison of the Minute 

 Structure of Plant Hybrids with that of their 

 Parents, and its Bearing on Biological Problems. 

 By J. Muirhead Macfarlane, D.Sc, 203. 



Igneous Rock, intrusive in the Cambrian Limestone 

 of Assynt and the Torridon Sandstone of Ross- 

 shire. By John Horne and J. J. H. Teall, 

 163. 



Impact. Part II. By Professor P. G. Tait, 381. 



Irvine (Robert), F.C.S., and John Murray, LL.D. 

 On the Chemical Changes which take place in 

 the Composition of the Sea- Water associated 

 with Blue Muds on the Floor of the Ocean, 

 481. 



On the Manganese Oxides and Manganese 



Nodules in Marine Deposits, 721. 



K 



Kidston (Robert). On the Fossil Plants of the 



Kilmarnock, Galston, and Kilwinning Coal 



Fields, Ayrshire, 307. 

 — — On Lepidophloios, and on the British Species 



of the Genus, 529. 

 On the Fossil Flora of the South Wales Coal 



Field, and the Relationship of its Strata to the 



Somerset and Bristol Coal Field, 565. 

 Kilmarnock Coal Field, Ayrshire, Fossil Plants of, 



307. 

 Kilwinning Coal Field, Ayrshire, Fossil Plants of, 



307. 

 Kingairloch, Dust and Direction of Wind at, 639, 



645. 

 Kjeldahl Method of estimating Carbon and Nitrogen 



in Organic Substances, 743. 

 VOL. XXXVII. PART IV. 



Knott (Professor Cargill 0-)- Circular Magne- 

 tisations accompanying Axial and Sectional 

 Currents along Iron Tubes, 7. 



Laimargus, The Sensory Canals of. By Professor J. 



C. Ewart, 59. 

 Lcemargus microcephalus (Greenland Shark), The 



Skull and Visceral Skeleton of. By Philip 



J. White, 287. 

 Laurie (Malcolm), B.Sc On some Eurypterid 



Remains from the Upper Silurian Rocks of 



the Pentland Hills, 151. Stylonurus, 151,519. 



Eurypterus, 156, 517. Drepanopterus, 159. 

 The Anatomy and Relations of the Eurypteri- 



dae, 509. Slimonia, 510. Pterygotus, 515. 



Eurypterus, 517. Stylonurus, 519. 



Lepidodendron (fossil), 334, 598. 



Lepidophloios (fossil), and the British Species of the 



Genus. By Robert Kidston, 343, 529, 604. 

 Lepidophyllum (fossil), 603. 

 Lepidostrobus (fossil), 340, 603. 

 Lonchopteris (fossil), 596. 

 Lothian (East), The Lower Carboniferous Volcanic 



Rocks of. By Frederick Hatch, 115. 

 Lycopodiaceae (fossil), 334. 



M 



Macfarlane (J. Muirhead), D.Sc. A Comparison 

 of the Minute Structure of Plant Hybrids with 

 that of their Parents, and its Bearing on Bio- 

 logical Problems, 203. 



Macrospores Lycopod (fossil), 349. 



Magnetisations (Circular), accompanying Axial and 

 Sectional Currents along Iron Tubes. By 

 Professor Cargill G. Knott, D.Sc, 7. 



Manganese Oxides and Manganese Nodules in Marine. 

 Deposits. By John. Murray, LL.D. and 

 Robert Irvine, F.C.S-, 721. 



Moriopteris (fossil), 323, 592. 



Masdevallia Chelsoni, 242. 



Meteorological Phenomena, Their relation to the 

 Amount of Dust in the Atmosphere. See 

 Dust Particles. 



Mitchell (J. C), B.Sc, and Ewart (Professor J. 

 C), M.D. The Lateral Sense Organs of 

 Elasmobranchs. Part II. — The Sensory Canals 

 of the Common Skate (Raia batis), 87. 



Murray (John), LL.D., and Irvine (Robert), F.C.S. 

 On the Chemical Changes which take place in 



6 K 



