PLATE IX. 





Professor Quekett's dissecting microscope, -with apparatus, p 16. 

 Fig. 3d. 



Professor Quekett'a dissecting microscope. 

 The instrument folded up for travelling 



p 16. 



1'rofessor Quekett's dissecting microscope. Mcde of 

 packing tbe diSerent pieces of apparatus, p ]6. 



Dr l.awsou : microscope, made by Collins, p. 17. 



[To face pag'e 13. 



