Orthotoluidine columns, . . . . . 42 ” drops, . . . . . . 27 ” equi-density temperature of, . . . 16 ” globules, movements of, . . . . 66 ” jets, . . . . . . . 39 ” spheres, . . . . . 11, 14 P Petroleum, boundary surface with water, . . . 6 Plateau’s spherule, . . . . . . 25 Q Quinoline, formation of globules of, . . . 69 ” rings of, . . . . . . 71 R Raindrops, . . . . . . . 54 S Shape of detached masses of liquid, . . . 8 Silver floating on water, . . . . . 4 Solubility, movements due to, . . . . 63 Spheres of liquids, effect of temperature on, . 15 ” ” ” production of, . . 10 Spheroidal state of liquids, . . . . 59 Spreading of oil on water, . . . . . 60 Surface skin of water, properties of, . . . 3 ” tension, definition of, . . . . 21 ” ” phenomena, analogies to life, . 75 ” ” value for various liquids, . . 22 W Water, column of, . . . . . . 40 ” surface tension of, . . . . 21 ” beetle, . . . . . . 4 X Xylidine 1-3-4, movements of globules of, . . 66 (_Pr 1266_) ———— Butler & Tanner Frome and London Transcription note The following minor typographical flaws have been corrected: - Fig. 7: _missing period at the end of the caption_ - “feeler,”’ _unnecessary additional closing quote_ - *Index:* Drops of liquid, shapes of, 10, 29, 30, 31 _missing commas_ - *Index:* Mono-brom-benzene _added hyphen to conform with reference in text_ Footnotes have been renumbered progressively throughout the book.