XVUl 



CONTENTS. 



FAOE 



Thomas, J. D. — Frequent occurrence of Tmnia Echinococcus in Domestic 



Dogs Part 6 1002 



PoiRiER, J. — Trematoda „ 1002 



Fkitsch, G. — Anatomy of Bilharzia hxmatohia „ 1003 



SoNSiKO, P. — Small Rod-like Cell-contents of certain Cercarix .. .. „ 1003 



Imhof, O. E. — Deep-water Turhellarians of Lakes „ 1004 



HuBKECHT, A. W. — Development of Nemcrtines „ 1004 



Delage, Y. — Nervous System of Accelomate Planarians and new Sensory 



Organ of Convoluta Schnltzii „ 1004 



Lacaze-Duthiers, H. DE — Phoonicurus „ 1005 



Zachaeias, O. — Relationship of Rotifers and Nematodes „ lOOG 



Peretaslavtseff, Miss C. — Development of Rotifers „ lOOG 



"HiLSE.yf.— New Rotifer „ 1007 



Echinodermata. 



JiCKELl, C. F. — Process resembling Copulation in Comatula mediterranea Part 1 70 



Verrell, a. E. — New Ccelcnterates and Echinoderms Part 3 432 



Bell, F. J. — Coiton-spinner ., .. „ 462 



Walter, A. — Echinodermata of Ceylon „ 462 



Nachtrieb, H. F. — Phylogeny of Echinoderms Part 4 651 



Duncan, P. M., & W. P. Sladen — Arhaciadx ,, 652 



Hamaxn, O. — Histology of Asterida ,, 652 



Carpenter, P. H. — Stalked Crinoids of the * Challenger ' Expedition . . „ 653 



Perrier, E. — Development of Comatula „ 655 



Carpenter, P. H. — Vascular System of Echinoids Part 5 814 



Perrier, E. — Ambulacra of Echinoderms „ 815 



Prouho — Anatomy of Dorocidaris „ 815 



Duncan, P. M. — " Tag " of Cwlopleurus Maillardi „ 815 



Carpenter, P. H. — New Species of Metacrinus „ 815 



Lampert, K. — Variation in Holothurians Part 6 1007 



Haacke, W. — Morphology of Echinoids „ 1008 



Prouho, H. — Larval Form of Dorocidaris papillata „ 1008 



Aters, H. — Structure and Functions of the Sphxridia of the Echinoidea „ 1009 



DoDERLEiN, L. — Japanese Echinoidea „ 1009 



Perrier, E. — Brisingidx of the ' Talisman' Expedition „ 1009 



LoRiOL, P. DE — Asteroidea of Mauritius „ 1009 



Ccelenterata. 



Lendenfeld, K. V. — Local Colour-varieties of Scyphomedusx .. ., Parti 71 



„ „ Scyphomedusx of the Southern Hemisphere .. „ 71 



Haacke, W. — Pseudorhiza haeckelii „ 71 



Lendenfeld, R. v. — Development of the Versuridx „ 72 



„ „ Flexor Muscle of the Hydroid Polyp of Sarsia 



radiata „ 72 



Bourne, A. 6. — Bydriform Phase of Limnocodium Sowerhii .... „ 72 

 Thompson, D'A. W. — Hydroid Zoophytes of the * Willem Barents' 



Expedition, 1881 , 73 



Ridley, S. O. — Structures Liable to Variation in the Astrangiacex 



(^Madreporaria) „ 73 



Pabsons, F. A. — Hydroid Form of Limnocodium Sowerbii „ 168 



