CONTENTS. 



A Chapter on Light and Colour ... ... ... ... 101 



Calif ornian Trap-Door Spider ... ... ... ... 114 



A Rapid Method of Preparing Permanent Sections for 



Microscopical Diagnosis ... ... ... 115 



The Planet Mars : Is it Inhabited ? ... ... ... 117 



British Hydraehnidae ... ... ... ... ... 129 



Leaves from my Note-Book ... ... ... ... 133 



Staining the Tubercle Bacillus in Sections ... ... 149 



Penicillium cupricum ... ... ... ... ... 150 



The late Mrs. Alice Bodington ... ... ... 151 



A floview of the Golgi Method ... ... ... 152 



The Preparation of Blood for Microscopical Examination... 168 

 Selected Notes from the Note-Books of the Postal Micro- 

 scopical Society ... ... ... ... ... 173 



Anatomy of Diptera ... ... ... ... ... 173 



Hilaria pilosa ... ... ... ... ... 174 



Head of Blow- Fly ... ... ... ... ... 175 



Eristalis Tenax, Section of Halter e ... ... ... 177 



Hairs on the Pul villi of Flies... ... ... ... 181 



Peronospora infestans ... ... ... 184 



Larva of Stratiomys chamaeleon ... ... ... 185 



Microscopical Technique ... ... ... ... 187 



Preparation of Frozen Sections ... ... ... 187 



Formaldehyde in Pathological Work ... ... ... 188 



Growth of Diatoms ... ... ... ... ... 189 



New Method of Staining Nervous Tissue ... ... 190 



Differentiation of B. coli from the B. typhi abdominalis 190 



Notes ... ... ... ..■ ... ... ... 191 



Helium ... ... ... ... ... ... 191 



The Wild Nettle ... ... ... ... ... 192 



The Orange Groves of Naples... ... .. ... 192 



Prehistoric Human Teeth ... ... ... 193 



Preservation of Flow^ers ... ... ... ... 193 



Reviews ... ... ... ... ... ... 194 



The Postal Microscopical Society 



Founded in 1873. 



The purpose of this Society is to encourage the circulation, 

 study, and discussion of Microscopic Objects, and also to promote 

 the pursuit of Natural Science among its members. 



All Microscopists, Ladies or Gentlemen, who are able to offer 

 good Slides for examination, and will endeavour to contribute to 

 the usefulness of the Society, are eligible for election as members. 



Each member is entitled to a copy of The Journal of Micro- 

 scopy and Natural Scie7ice, quarterly, as published. 



The Honorary Secretary will be pleased to send a copy of 

 Kules and any further information which may be required. 



CASES FOR BINDING LAST AND ALL EARLIER VOLS. 

 OF JOURNAL, Price 1/6, Post Free. 



ADDRESS— 

 1 CAMBRIDGE PLACE, BATH. 



