VI CONTENTkS. 



Page 



XXX. Notes on tlie Palaeozoic Bivalved Entomostraca. — No. XX. 

 On the Genus Beifrichia and some new Species. By Prof. T. IIupebt 

 Jones, F.R.S., aiid Dr. H. B. Holl, F.G.S. (Plate XII.) 337 



XXXI. Professor Glaus and the Classiticatiou of the Arthropoda. 

 By E. Ray Lankester, M.A., LL.D., F.K.S., Jodrell Professor of 

 Zoology in University College, London 3(34 



XXXII. Contributions towards the Knowledge of the Nervous 

 and Muscular Systems of the Horny Sponges. By Dr. R. von 

 Lendenfexd 372 



XXXIII. A few Remarks on Mr. Butler's Notes on the Genus 

 Terias. By W. L. Distant 377 



New Book : — Evolution without Natural Selection ; or, the Segre- 

 gation of Species without the aid of the Darwinian Hypothesis. 

 By Ohaiiles Dixon 381 



Remarks on the Occurrence of Diplommtttina in Trinidad, by R. .1. 

 Lechmere Guppy ; Globiferi, new Organs of the Echinida, by 

 Dr. Otto Ilamann ; Some new Infusoria from American Fresh 

 Waters, by Dr. Alfred C. Stokes ; Striated Muscles in Echinida, 

 bv Dr. Otto Ilamann 385 — 388 



NUMBER CI. 



XXXIV. On a new Genus of Devonian Corals, with Descriptions 

 of some Species of the same. Yiy H. Allevne Nicholson, M.D., 

 D.Sc, Regius Professor of Natural History in the University of 

 Aberdeen; and Abthub II. Foord, F.G.S. , late of the Geological 

 Survey of Canada. (Plates XV. & XVI.) 389 



XXXV. Note on Orcynus tliynnics (L.). By Francis Day, 

 F.L.S., F.Z.S 400 



XXXVI. Notes on the Pahiaozoic Bivalved Entomostraca. — 

 No. XXI. On some Silurian Genera and Species. By Prof. T. 

 Rupert Jones, F.R.S., and Dr. H. B. Holl, F.G.S. (Plates XIII. 



& XIV.) 403 



XXXVII. New Neotropical Curculionidi'e. — Part VI. By 

 Francis P. Pascoe 415 



XXXVIII. Striated Muscles in Echinida. By Frank E. 

 Beddard, M.A., F.R S.E., Prosector to the Zoological Society .... 428 



XXXIX. Description of a hitherto unnamed Butterfly from 

 Madeira. By Arthur G. Butler, F.L.S. &c 430 



XL. Descriptions of Sponges from the Neighbourhood of Port 

 Phillip Heads, South Australia, continued. Bv II. J. Carter, 

 F.R.S. &c ' 431 



