IV TABLE OF CONTENTS 



PAGE 



Indium 269 



Thallium 273 



Silicon 278 



Titanium 280 



Germanium 286 



Zirconium 287 



Tin 290 



Thorium 295 



Phosphorus 302 



Vanadium 305 



Arsenic 308 



Antimony 314 



Bismuth 328 



Columbium 335 



Tantalum 337 



Chromium 340 



Molybdenum 354 



Tungsten 359 



Uranium 373 



Selenium 381 



Tellurium ; 386 



Fluorine 404 



Manganese 409 



Iron 416 



Nickel and Cobalt 423 



Ruthenium 449 



Rhodium 451 



Palladium 454 



Osmium 467 



Iridium 470 



Platinum 473 



Scandium 487 



Yttrium 488 



Lanthanum 493 



Cerium 505 



Praseodymium 518 



Neodymium 522 



Samarium 525 



Europium 528 



Gadolinium 530 



Terbium 533 



Dysprosium 533 



Erbium, Holmium, Thulium 534 



Ytterbium and Lutecium (Aldebaranium and Cassiopeium) 537 



The Helium- Argon Group 539 



Table of Atomic Weights 541 



Index 543 



