50 



THE MICROSCOPE. 



Apr. 



F. B. Carter has just finished in the Journal for April, 

 1894, a series of articles on the Radiolaria which are il- 

 lustrated by 47 figures and which every one should have 

 who wants to study Kadiolaria. We have a few pieces 

 of earth containing these forms which we will send out 

 as premiums for new subscriptions. Directions for get- 

 ting the forms which are too small to be seen until after 



they have been dissolved out by chemical action may be 

 found in the MICROSCOPE for February, 1894, page 29. 

 This earth was discovered in 1892 by the Canadian 

 Greological Survey at Bell river, Porcupine mountain, 

 Manitoba and sent to Germany for examination. 



XI. — RED SNOW. 



The objects figured below do not look much like red 

 snow but they are highly magnified, and present a very 

 different appearance in Nature. Every one is familiar 

 with the green coloring often given to fences, stones, 

 trees, etc., which are hidden from the sun's rays. The 

 shaded side of houses, tree-trunks and walls is the favor- 

 ite resort for the Protococeus. Suppose this growth red 

 instead of green and suppose it located on ice or snow 

 in the Arctic regions and you will have pictured to your 



