CONTENTS. 



MAY, 1876. 



Comparative Scarcity OF Insects IN THE Mountains OF Colorado C.Ji. D. 89 



Holly and Mistletoe Science Gossip. 91 



Potomac-Side Naturalists' Club — Record .... Dr. J. VV. Chickering. 94 



Gleanings in Foreign Fields — The Colors of Spring Flowers 95 



Editorial Penci lings Editor. 96 



Flora Columbiana. — Volume II. 



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