xii CONTENTS. 



PAGE 



CHAPTER VIII. METHODS, 377 



Measuring Length of Embryos, 377 



Dissection of Embryos, 377 



Methods of Hardening and Preserving, 377 



Preservation in Alcohol, 380 



Directions for Imbedding Specimens to be Microtomed, 380 



Method of Mounting Paraffin Sections, 381 



Methods of Staining, 381 



Methods of Reconstruction, 385 



Directions for Orienting Serial Sections of Embryos, 388 



Microtomes, 389 



INDEX, 393 



