CONTENTS. 



PAGE 



^S. F. Haemer. On the embryology of the Ectoproota. Plates I. 



and II . . 1 



^A. E. Shipley. On the existence of communications between the 



Body-cavity and the Vascular System 17 



^F. G. Heathcote. On some points of the Anatomy of Polyxenus 



lagurus. Plate III 27 



*S. F. Haemer. Notes on the Anatomy of Dinophilus. Plates IV. 



and V 37 



''C. Waeburton. The Spinning Apparatus of Geometric Spiders. 



Plate VI 62 



*A. E. Shipley. On Phymosoma Varians. Plates VII.— X. . . 73 



^W. Bateson. On the Perceptions and Modes of Feeding of 



Fishes 100 



'^S. F. Haemer. On the Origin of the Embryos in the Ovicells of 



Cyclostomatous Polyzoa 102 



2 A. E. Shipley. On a new species of Phymosoma . . . 103 



'''S. F. Harmbr. Land Planarians at Cambridge .... 104 



^C. Waeburton. Notes on a collection of Spiders with a list of 



species taken in the neighbourhood of Cambridge . . . 105 



^ Eeprinted from the Archives de Zoologie Experimentale et Generale, S6r. 2, 

 Tome V. 



^ Eeprinted from the Proceedings of the Cambridge Philosophical Society, 

 Vol. VI. 



^ From the Quarterly Journal of Microscopical Science, Vol. 30. 



* Ibid. Vol. 31. 



^ From the Journal of the Marine Biological Association, New Series, Vol. I. 



