294 h. taverner on taking stereo-photo-micrographs. 



Explanations of Plates 22 — 24. 

 Plate 22. 



Water-mite (Ecpolus papilosa, Soar), female, x 30. Collected 

 and mounted by H. Taverner. Photographed with a 2^-mm. 

 stop. Beck's l|-in. objective and No. 1 eye-piece. 



Plate 23. 



Foraminifera (Orbulina universa), showing internal Globigerine 

 structure, X 25. Mounted by Mr. A. Earland. Photo- 

 graphed with a 2|-mm. stop. Beck's lg-in. objective and 

 No. 1 eye -piece. 



Plate 24. 



Foraminifera. Various species from Timor Sea, 50 fathoms, 

 X 25. Mounted by Mr. A. Earland. Photographed with 

 a 4-mm. stop. Beck's lg-in. objective and No. 1 eye- piece. 



Joum. Quekett Microscopical Club, Sen 2, Vol. IX., No. 58, April 1906. 



