CONTENTS. Vll 



Page 



XXXVIII. On the MoUuscan Fauna of the Gulf of Suez in its 

 Relation to that of other Seas. By Alfred Hands Cooke, M.A., 

 Curator in Zoology, Museum of Zoology and Comparative Anatomy, 

 Cambridge 380 



XXXIX. Note on the Structure of Crotahcrmus. By P. Her- 

 bert Carpenter, D.Sc, F.R.S., F.L.S., Assistant Master at Eton 

 CoUejre 397 



Neiv JBuoks : — Revision of the Palteocrinoidea. — Part III. Discussion 

 of the Classification and Relations of the Brachiate Crinoids, 

 and Conclusion of the Generic Descriptions. By Charles 

 Wachsmuth and Frank Springer. — Catalogue of the Blas- 

 toidea in the Geological Department of the British Museum 

 (Natural History), with an Account of the Morphology and 

 Systematic Position of the Group, and a Revision of the Genera 

 and Species. By Robert Etheridge, Jun., and P. Herbert 

 Carpenter, D.Sc, F.R.S., F.L.S 406, 412 



On the Heart, the Digestive Tube, and the Generative Organs of 

 Amaroecium torquatuin, by M. C. Maurice ; A new Form of 

 Opalma, by M. N. Warpachowsky ; A new Gazelle from the 

 Somali-land, by M. Franz Kohl 418—420 



NUMBER CVIII. 



XL. Note on Hesperomys pyrrhorliimis, Pr. Max. By Oldfield 

 Thomas, Natural History Museum 421 



XLI. A Synopsis of the Reptiles and Batrachians of the Province 

 Rio Grande do Sul, Brazil. By G. A. Boulengeb 423 



XLII. Supplement to the Descriptions of Mr. J. Bracebridge 

 Wilson's Australian Sponges. By II. J. Carter, F.R.S. &c 445 



XLITI. Reply to Prof. E. Ray Lankester's "Rejoinder." By 

 Prof. C. Claus 467 



XLIV. Pi-eliminary Report on the Monaxonida collected by 

 H.M.S. ' Challenger.' By Stuart O. Ridley, M.A., F.L.S., of the 

 British Museum, and Arthur Dendy, B.Sc, Associate of the 

 Owens College, Manchester 470 



XLV. On Harpacanthus, a new Genus of Carboniferous Sela- 

 chian Spines. By Dr. R. H. Tbaquair, F.R.S., F.G.S 493 



XLVI. Description of a new Species of Saw-flj' from Albania. By 

 W. F. KiRBY 497 



