MALACOSTRACA: LEPTOSTRACA—PHYLLOCARIDA: EUMALACOSTRACA: SYNCARIDA— ANASPIDACEA: PERACARIDA—MYSIDACEA—CUMACEA—ISOPODA—AMPHIPODA: HOPLOCARIDA—STOMATOPODA 110 CHAPTER VI CRUSTACEA MALACOSTRACA (_continued_) EUMALACOSTRACA (_CONTINUED_): EUCARIDA—EUPHAUSIACEA—COMPOUND EYES— DECAPODA 144 CHAPTER VII CRUSTACEA (_continued_) REMARKS ON THE DISTRIBUTION OF MARINE AND FRESH-WATER CRUSTACEA 197 CHAPTER VIII CRUSTACEA (_continued_) TRILOBITA 221 ARACHNIDA CHAPTER IX ARACHNIDA—INTRODUCTION 255 CHAPTER X ARACHNIDA (_continued_) DELOBRANCHIATA = MEROSTOMATA—XIPHOSURA 259 CHAPTER XI ARACHNIDA DELOBRANCHIATA (_continued_) EURYPTERIDA = GIGANTOSTRACA 283 CHAPTER XII ARACHNIDA (_continued_) EMBOLOBRANCHIATA—SCORPIONIDEA—PEDIPALPI 297 CHAPTER XIII ARACHNIDA EMBOLOBRANCHIATA (_continued_) ARANEAE—EXTERNAL STRUCTURE—INTERNAL STRUCTURE 314 CHAPTER XIV ARACHNIDA EMBOLOBRANCHIATA (_continued_) ARANEAE (_CONTINUED_)—HABITS—ECDYSIS—TREATMENT OF YOUNG—MIGRATION— WEBS—NESTS—EGG-COCOONS—POISON—FERTILITY—ENEMIES—PROTECTIVE COLORATION—MIMICRY—SENSES—INTELLIGENCE—MATING HABITS—FOSSIL SPIDERS 338 CHAPTER XV ARACHNIDA EMBOLOBRANCHIATA (_continued_) ARANEAE (_CONTINUED_)—CLASSIFICATION 384 CHAPTER XVI ARACHNIDA EMBOLOBRANCHIATA (_continued_) PALPIGRADI—SOLIFUGAE = SOLPUGAE—CHERNETIDEA = PSEUDOSCORPIONES 422 CHAPTER XVII ARACHNIDA EMBOLOBRANCHIATA (_continued_) PODOGONA = RICINULEI—PHALANGIDEA = OPILIONES—HABITS—STRUCTURE— CLASSIFICATION 439 CHAPTER XVIII ARACHNIDA EMBOLOBRANCHIATA (_continued_) ACARINA—HARVEST-BUGS—PARASITIC MITES—TICKS—SPINNING MITES— STRUCTURE—METAMORPHOSIS—CLASSIFICATION 454 CHAPTER XIX ARACHNIDA (APPENDIX I)