CONTENTS. 



Summary of Current Researches relating to Zoology and Botany (princi- 

 pally Invertebrata and Cryptogamia), Microscopy, &c., including 

 Original Communications from Fellows and Others.* 



7, 217, 425, 575, 720, 873 

 ZOOLOGY. 

 A. — General, including Embryology and Histology of the Vertebrata. 



PAGE 



Rhythmical Character of Segmentation Part 1 7 



Secondary Yolk in the Germinal Vesicle of Mammalia . ■ „ 7 



Notochord of Mammals „ 8 



Embryology of Selachians „ 9 



Tail in the Human Embryo „ 11 



Structure and Life of Cells „ 11 



Formation of Epithelial Cells and Nuclei „ 16 



Gastric Epithelium .. ,, 16 



Cells of Spinal Ganglia „ 16 



Decompound Gastric Glands „ 17 



Regeneration of Spinal Cord „ 17 



Spinal Root of Optic Nerve „ 18 



Retinal Vessels of Fishes „ 18 



True Origin of the Acoustic Nerve „ 18 



Auditory Ossicles of Mammals „ 18 



Krukenberg's Studies in Comparative Physiology .... „ 19 



Secondary Muscle-wave „ 20 



Breathing of Plants and Animals „ 77 



The Microscopic Limit, and Beyond (^President's Address) Part 2 180 



Development of the Graafian Vesicles „ 217 



Development of Parrots „ 217 



Epidermis of Salamander , 218 



Ciliated Cells „ 221 



Central Nervous System of Reptiles and Batrachians . . „ 224 



Cellular Irritability „ 225 



Epithelium of the Human Stomach „ 225 



Influence of the Mode of Preparation on the Movements of 



Protoplasm ,, 225 



Passage of Red Blood-corpuscles into the Lymphatic Circu- 

 lation „ 226 



Relations between Muscular Activity and Breaki7ig-down of 



Material in the Animal Body „ 226 



Discrimination of Species „ 227 



Development of Petromyzon (the Lamprey') Part 3 425 



Origin of Colonial Organisms „ 428 



Ear of Ganoids „ 429 



Fauna of the Austral Regions „ 430 



Zoological Results of the Barentz Expedition „ 432 



Fungoid Diseases of Animals „ 492 



Mesoblast of the Vertebrata Part 4 575 



* The titles of the papers and notes printed in the ' Transactions ' and ' Pro- 

 ceedings ' are also included here to make the classification complete. 



