12 THE AMERICAN MONTHLY [Jan 



and have six to twelve appendages, three to five times as 

 long as the diameter of the perithecium. Each append- 

 age is tipped with a conspicuous fork. These tips some- 

 what resemble uncinula but in uncinula the tips are 

 hooks and shepherds' crooks and in biuncinata the tips 

 are forks which are not hooked. 



Amcbbas. — A large supply of these very interesting ani- 

 mals may generally be obtained from the ooze on the 

 bottom of public fountains. When the water is allowed 

 to escape preparatory to cleaning the fountain, an oppor- 

 tunity will be afforded for collecting this ooze. When 

 collected, leave the mouth of the vessel containing the 

 animals open, as all terrestrial life requires air. 



EDITORIAL. 



Subscription Price. — It will be one dollar for 1898 if paid 

 directly to the publisher in advance or during the present 

 month. We authorize no agents. Those who wait, or 

 pay through self-appointed agents, bookstores, etc. should 

 pay two dollars out of which the intermediaries may take 

 their pay. 



The X Rays. — At the inauguration of the Roentgen 

 Society in London, the entire skeleton of a living woman 

 was exhibited life-size. 



Agar-Agar. — A nice method of preparing nutrient agar- 

 agar for bacteriological work has been published by Dr. 

 H. B. Sheffield in the Registered Pharmacist for Novem- 

 ber. He pronounces it "simple" but the process is at 

 best very tiresome. We will not copy it unless requested 

 so to do but be content with this reference. 



For Sale. — A Crouch instrument with two objectives is 

 for sale cheap by "Alpha," Wadham House, Wentworth 

 street, London, England. 



Silk Adulterations. — It is found that in London only 

 about 28 per cent of certain silks is silk. The adultera- 



