viii CONTENTS. 



Pag9 

 Note on the Occui-rence of the Genus Lymnaa in Australia, by 

 Alfred Brown ; Note on the Number of Cervical Vertebrae in 

 Dinomis ruhusius, by Prof. F. W. Hutton, of the Otago Univer- 

 sity; On the Atfinities of the Coleopterous Genus Hades, 

 Thomson (Heteromera, Nilionidfe), by Charles O. Waterbouse; 

 The BaJcena {Macleayius) australiensis of the Paris Museum, 

 compared with the Bulcena biscayensis of the University of 

 Naples, by M. F. Gasco; on Parthenogenesis in Bees, by M. A. 

 Sanson ; The Development of Liyula, by M. Duchamp . . 493—498 



Index 499 



Embryology of Sponges. 



PLATES IN VOL. H. 



Plate I. New Carboniferous Mollusca. 

 II. Species of Teichonella. 

 III. Dipterus — Palsedaphus insignia. 



\' [ Haliphysema Turaanowiczii. 



V . 1 



VI. 

 VIL' 



VIII. Fossil Sponges. 

 IX. Liitkenia arctica. 

 X. Chondrosteosaurus. 

 XI. Coryphodon. 

 XII. Development of the Tentacles in Hydra. 



Peutaclieles enthrix — Willemoesia leptodactyla — Polycheles 

 crucifer. 

 XIV. Structure of Catagma. 

 XV. New Amphipodous Crustaceans. 



> New Hvdroida from the North Pacific Ocean, 

 XVII. \ ^ 



XVIII. New Spiders — Diastylis bimarginatus. 



XIII. j 



