VI CONTENTS. 



PAGE 



The Structure and Relations of Tubipora. By Sydney J. Hickson, 

 B.A., B.Sc, Scholar of Downing College, Cambridge, and As- 

 sistant to the Linacre Professor, Oxford. (With Plates XXXIX 

 and XL) 556 



On the Malleus of the Lacertilia, and the Malar and Quadrate Bones 

 of Mammalia. By M. L. Dollo, Assistant-Naturalist in the 

 Royal Museum of Natural History, Brussels. (With Plate XLI) 579 



Notes on Echinoderm Morphology, No, VI. On the Anatomical 

 Relations of the Vascular System. By P. Herbert Carpenter, 

 M. A., Assistant Master at Eton College . . . . 597 



Recent Researches upon the Origin of the Sexual Cells in Hydroids. 

 A Review, By A. G. Bourne, B.Sc, Lond. . . . 617 



On the Osteology and Development of Syugnathus peckianus 

 (Storer). By J. Plateair McMuerich, M.A., Professor in the 

 Ontario Agricultural College, Guelph, Canada. (With Plates 623 

 XLll and XLIII.) 



Title, Contents and Index. 



