106 THE MICROSCOPE. 



at the door of the Treasury chamber in West- 

 minster Abbey. Mr. Quekett farther states, 

 that in January 1858, he has ascertained, by the 

 assistance of the instrument, that certain bones 

 found in a Pict's house in Orkney, were those of 

 a whale ; adding, that scarcely a week passes 

 during which he is not called upon to prosecute 

 similar examinations. 



4. Is the Chemist, the Merchant, the Parent 

 of a delicate child, anxious to test the purity of 

 arrowroot ? The Microscope may unerringly 

 guide him in his inquiries. For, as the hair of 

 every animal differs from that of another, as 

 the blood of one living creature is unlike that 

 of every other living creature, so the granules 

 of the starch of wheat, rice, potatoes, tous-les- 

 mois, tapioca, and arrowroot, all differ in ap- 

 pearance under the Microscope, each present- 

 ing its own peculiar form and proportionate 

 size. The Microscope was called in to decide 

 an important question in connexion with these 

 articles, which arose a few years ago. An at- 

 tempt was then made to import a large quantity 

 of the starch of the Cassava or tapioca, which 

 bore a duty, under the name of arrowroot (ma- 



