6 CONTENTS 



016.4 Language 132 



016.5 Physical sciences. General works 135, 437 



016.51 Mathematics. General works 144, 438 



016.511-.517 Mathematics. Special subjects 148 



016.52 Astronomy. General works 150, 439 



016.521-.525 Astronomy. Special subjects 152 



016.526 Geodesy 154 



016.529 Chronology 156 



016.53 Physics. General works 156, 439 



016.531 Mechanics 158 



016.532-.533 Hydraulics. Pneumatics 159 



016.535 Optics 160 



016.536 Heat 161 



016.537 Electricity 163 



016.538 Magnetism 167 



016.539 Molecular physics 168 



016.54 Chemistry. General works 168, 440 



016.541 Theoretical chemistry 173 



016.543-.544 Chemical analysis 174 



016.546 Inorganic chemistry 177 



016.547 Organic chemistry 178 



016.548-.549 Crystallography. Mineralogy 181 



Natural sciences. 



016.55 Geology. General works 183, 443 



016.551 Physical geography 186 



016,5515 Meteorology 190 



016.5517 Stratigraphical geology 191 



016.552 Petrography 191 



016.553 Economic geology 192 



016.554 Geology of Europe 194 



016.556 Geology of Africa 196 



016.557 Geology of North America 197 



016.559 Geology of Australia and Tasmania 200 



016.56 Paleontology. General works 200, 444 



016.561 Paleo-botany 202 



016.562-.569 Paleo-zoology 203 



016.57 Natural sciences. General works 206, 446 



016.571 Prehistoric archaeology 214 \ 



016.572 Ethnology 216C 447 



016.573 Anthropology 218 ) 



016.575-.579 General biology 219^ 



016.575 Evolution 219 



016.576 Origin and beginnings of life 220 



016.577 Properties of living matter 222 



016.578 Microscopy 223 j 



016.579 Zoological collecting and taxidermy 224J 



016.58 Botany. General works 224, 449 



016.581 Physiology and anatomy 230, 450 



016.5819 Geographical distribution of plants 232 



016.582-.585 Phanerogamia 234 



016.586-.588 Cryptogamia. General works 236, 450 



016.589 Thallophyta 237, 450 



016.5891 Lichens 239 



019.5892 Fungi 239 



M48 



