( 2 



jour: l 



OF TB 



KOYAL MICEOSCOl.. J^ SOCIETY. 



Sep. 2.— Vol. l.\. Part 1. 



(FEBRUARY, 1882.) 



CONTENTS. 



Transactions of the Society — page 

 I. — Further Notes on British Oribatid^. By A. D. Michael, F.L.S., 



F.R.M.S. (Plates I. and II.) 1 



II. — A New Growing or Circttlation Slide. By T. Charters White, 



M.R.C.S., F.R.M.S. (Fig. 1) .. 19 



III. — On a Hot or Cold Stage for the Microscope. By W. H. 



Symons, F.E.M.S., F.C.S. (Fig. 2) .. .. .. .. .. 21 



Summary of Current Besearches relating to Zoology and 

 Botany (principally Invertebrata and Cryptogamia), Micro- 

 scopy, &c., INCLUDING Original Communications from Fellows 



and others 23 



Zoology. 



Photographs of the Developmental Process in Birds .. 23 



Development of the Paired Fins of Elasmdbranchs . . . . 23 



Development of Vie Sturgeon 24 



Development of Petromyzon Planeri 26 



White Corpuscles of the Blood 27 



Nerve-endings of Tactile Corpuscles 28 



Distribution and Termination of Nerves in the Cornea 29 



Influence of Food on Sex , . . . . 30 



Digestion of Amyloids in Cephalopoda 30 



Proneomenia sluiteri 31 



Development of Salpa 32 



Tunicata of the ^ Challenger' , 33 



Striated Muscle of Coleopter a and its Nerve-endings 33 



Terminations of the Motor Nerves in the Striated Muscles of Insects .. . . 34 



Wings of Insects 35 



Structure of the Proboscis of Lepidoptera 35 



Post-embryonic Development of Diptera 37 



Development of Adoxus vitis 39 



Colouring Matter from the Willov}-tree Aphis 39 



Liver of Spiders 39 



Limulus an Arachnid 40 



Functibn of the Caltdal Spine of Limulus 41 



Adaptations of Limbs in Atyoida Potimirim 42 



Colour-sense in Crustacea 43 



Germs of Artemia salina 43 



Origin of the Central Nervous System of the Annelida 44 



Swim-bladder-like Organs in Annelids 44 



Development of Polygordius and Saccocirrus 46 



Termination of Nerves in the Voluntary Muscles of the Leech 46 



The Echiurida 47 



Segmental Organs and Genital Gland of some Sipunculida 47 



Anatomy and Histology of Sipuneulus nudus . . 48 



