X CONTENTS. 



PART II. 



X. CHORDATA. (TUNICATES OE SEA-SQUIRTS AND AMPHI- 



oxus = acbania) 277 



XI. CHORDATA — Continued, the characters of craniote 



OR VERTEBRATE ANIMALS 281 



XII. THE STRUCTURE OP THE HORSE 285 



XIII. CLASSIFICATION OP THE CRANIOTA. A. THE ICHTHYOP- 



siDA. (fish and amphibia) 321 



XIV. B. SAUROPSIDA. (l REPTILES) 330 



XV. B. SAUROPSIDA — Continued, (ii. aves) . 335 



XVL BRITISH BIRDS . 353 



XVIL EMBRYOLOGY OP THE CHICK (THE EGG OF THE FOWL) 407 



XVIIL MAMMALIA (DEVELOPMENT AND FOETAL MEMBRANES) 424 



XIX. MAMMALIA — Continued, classification of mammals. 



BRITISH MAMMALS (DOMESTIC AND WILD) 436 



APPENDIX. 



I. THE PREVENTION AND TREATMENT OF VERMICEOUS 



PESTS . 481 



IL THE PREVENTION AND DESTRUCTION OF INSECT PESTS . 486 



497 



