( 2 ) . 



JOUENAL 



or THE 



EOYAL MICROSCOPICAL SOCIETY. 



Ser. 2.— Vol. II. Part 2. 



(APRIL, 1882.) 



CONTENTS. 



Transactions of the Society — pag 



IV.— The President's Address. By Prof. P. Martin Duncan, M.B. 



Lond., F.R.S., &c. 1^5 



Y. On Mounting Objects in Phosphorus, and in a Solution or 



Bemodide of Mercury and Iodide op Potassium. By John 



Ware Stephenson, Vice-President KM. S., F.R.A.S 16 



YI _0n the Threads of Spiders' Webs. By Jolin Anthony, M.D., 



F.R.M.S., &c •• 17Q 



Summary of Current Eesearohes relating to Zoology and 

 Botany (principally Invertebrata and Cryptogamia), Micro- 

 scopy, &c., including Original CJommunications from Fellows 



and others ^'^ 



Zoology. 



Germinal Layers and Early Development of tlie Mole IT 



Development of Amphioxiis *^^ 



Fossil Organisms in Meteorites ^^ 



Bed Pigment of Invertebrates (Tetroneri/thrine) ^ IT 



Maturation, Fecundation and Segmentation of Limax campestris .. .. IT 



Kidney of Chiton Yj^ 



Morphology of Neomenia .. .. •• •• isi^ 



Organization and Development of the Ascidians 1^ 



'^ Challenger" Ascidians (Culeolus) » •• •• |^ 



Embryonic Membranes of the Salpidx \^ 



Modifications of the Avicularia in Bryozoa 1«^ 



Flight of Insects • J*" 



Nucleus of the Salivary Cells of the Larvsd of CUronomus « 



Structure of the Dermaleichidm .. • •• " {< 



New and rare French Crustacea (Fig. 28) • loqH 



N eio British Cladocera from, Grasmere Lalie loM 



The Entoniscida o. 1°° 



TheBopyridse .. .. •• •■ |°^ 



Anatomy and Histology of Scoloplos armiger |^» 



Parasitic Eunicid r^!j 



Development of Anguillula stercoralis f^^ 



Cercaria loith Caudal Setx V^ 



New Type of TurbeUaria V^j^ 



Systematic Position of Balanoglossus 1^* 



Nervous System of Platyhelminthes ;„ 'V. 7 "• 7" 



Structure of Gunda segmentata, and the Relationships of the Platyhehnmthes 



with the Codenterata and Eirudinea 197 



Nervous System of the Ophiuroidea 1^^ 



American Comntulss ]^ 



Qiaracter* of Stinging-cells of Coelenterata •'w 



