t'UNTENTs^. 



NUMBER LXXXVI. 

 XIII. Zoologico-Enibryological Investigations. By M. Ussow . . '.'7 



XIV On the Genus Jiosse'la (a Ilexactinellid Sponge), with tlio 

 Deseriptions of three Species. By H. J. Carter, F.R.S. &c. 

 (Plate X.) ^^'^ 



XV Descriptions of Species of Ilippothoa and Alcdo from the 

 Lower SiUn-iau Bocks of Ohio, with a Description of Aulopora 

 araclnmdea, Hall. Bv II. Ali.f.ynk Xicholson, M.D., D.bc., 

 K K.S.E., I'rofessor of Biologv in the College of I'hysical Science, 

 Xewca«!tle-ou-Tyue. (Plate XI.) • • • • ^'^'^ 



XVI. Description of a supposed new Genus of Ceylon Batrachians. 



Bv W. Fkrgvson, F.L.S ^^^ 



"XVU. On the Geuus Bcidamia, v. W.-S. By James Wood- 

 Mason, of Queen s College, Oxford ^"^ 



XVIII. Notes on certain Genera of A(j(trUtidcr, with Descriptions 

 of new Species. By Arthur Gardiner Butler, F.L.S., F.Z.S., &c. 

 (Plate XUL). . . .* i^o 



XIX Descriptions of new Species of Gobiidce in the Collection of 

 the British Museum. By A. W. E. O'Suaughnessy, Assistant in 

 the Natural-IIistory Departments ^•*-* 



New Books :— Anon. The Excavation in the Kesslerloch near Thay- 

 iu^en.— Prof. Albert Heim. On a -Find," of the Keiudeer 

 Period, in Switzerland.— II. Kar.-teu. Studies of the Primeval 

 Historv of Man in a Cave of the SchaiVhausen Jura.— Kecherches 

 pour servn a lllistoire Naturelle des Mammiferes, comprenant 

 des Considerations sur la Classilication de ces Animaux par M. 

 II. Milne-Edwards, des Observations sur 1 Hippopotame de 

 Liberia et des Etudes sur la Faune de la Chine et du Ihibet 

 oriental par M. Alphonse Milne-Edwards J4a— 1&- 



Proceedings of the Royal Society ^''•' 



On some points in the Anatomy of the Common ^Slussel (yiytUu, 

 rdtdis) bv M. A. Sabatier; Note on Ilcrpvton tcntamlatum , 

 Notice' of' some Freshwater and Terrestrial Khizopods, by 1 rot 

 Leidv ; On Lencochlvridium parado.ium and the Developiuent ol 

 the LarvJB contained in it into Distoma, by Dr Ernst Zeller; 

 The Diatomeffi of the Carboniferous Period, by Count 1". Cas- 



i.oi — lu-* 



tracaue ' 



NUMBER LXXXVII. 



XX On Pil.ur.ncnwrfes Rollestom. By II. N. Moseley, Naluiali.-t 

 onVonrd 1 l.M.S. ' Challenger.' (Plate XV. B.) J'"' 



