iv CONTENTS. 



Page 



Comparative Researches upou the Organization of the Brain in tlie 

 ]irincipal Groups of Arthro])ods, by M. H. Viallanes ; Oo the 

 C'irculiitiou of the Blood iu youny S|iiders, by M. Maycfl 

 (Jausard ; A f^ontribution to tlie Kiiowledo-e of the Auatoniie-.al 

 Structure of tlie Sexual Organs iu the Galeodidce, by A. Birula, 

 of the Zootomical Institute of the University of St. Petersburg ; 

 On Two Species of Myzostoma parasitic upon Antcdon jfhahin- 

 f/ium, Miiller, by M. Henri Prouho &2—70 



NUiMBER LXir. 



XV. Natural History Notes from H.M. Indian Marine Survey 

 Steamer ' Investigator,' Commander C. F. Oldham, R.N., com- 

 manding.- — Series II., No. 7. An Account of the Collection of Deep- 

 sea Asteroidea. By A. Alcock, INI. B., Surgeon-Captain I. M.S., late 

 Naturalist to the Survey. (Plates IV.- VI.) 73 



XVI. Report upon the Myriopoda of the ' Challenger' Expedition, 

 with Remarks upon the Fauna of Bermuda. By R. I. PococK, of 

 the British Museum (Natural History). (Plate tX.) 121 



XVII. The Influence of Light on the Coloration of Crustaceans, 



By A.-E. Malard 142 



XVIII. Observations upon Amaha, with especial reference to the 

 existence of an apparent Micro-nucleus in that Organism. (Prelimi- 

 nary Communication.) By John E. S. INIoore, A.R.C.S. (from the 

 Ilu'xley Research Laboratory, R. Coll. Sci. Lond.}. (Plate XII.) . . 149 



XIX. On the probable Sensory Nature of the " Appendix " of the 

 Antennae of Coleopterous Larvae. By Charles J. Gahan, M.A., 



of the British Museum (Natural History) lo4 



XX. Classification of the Pelecypoda : Fischer's Families re- 

 arranged iu accordance with Pelseneer's Scheme. By B. B. Wood- 

 ward, F.G.S., F.R.M.S., of the British Museum (Natural History). 1 o(J 



XXI. Notes on Aptert/.v Hausti. By H. O. Forbes 159 



XXII. Natural History Notes from H.M. Indian Marine Survey 

 Steamer ' Investigiitor,' Commander R. F. Iloskyn, R.N., com- 

 manding. — Series II., No. 1. On the Results of Deep-sea Dredging 

 during the Season 1890-91. By J. Wood-Mason, Superintendent 

 of the Indian Museum, and Professor of Comparative Anatomy in 

 the Medical College of Bengal, and A. Alcock, M.B., Surgeon 

 I.M.S., Surgeon-Naturalist to the Survey. (Plates X. & XL) .... 1(51 



XXIII. A(jlia fan, a connecting-link between the Ceratocampidce 

 and Saturniidce, and the Type of a new Subfamily, Agliime. By 

 Alpheus S. Packard 172 



XXIV. Contributions towards a General History of the Marine 

 Polyzoa, 1880-91. — Appendix. By the Rev. Thomas Hincks, 

 B.A., F.R.S ". 175 



XXV. A Reply to some Observations"on the Mouth-organs of the 

 Diptera. By B. Thompson Lowne, F.L.S 182 



XXVI. Description of a new Species of fSndiithun from Kashmir. 



Bv Oldfikld Thomas l8i 



