ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XII. JUNE, 1901. No. 6. 



CONTENTS: 



Carpenter Protection of Chionobas liatiks A New Ascalaphid from the 



semidea 161 United States 172 



Lovell- Prosopis Zizice 162 Fox Letters from Thomas Say to John 



Snyder Over the Range in a Wagon F. Melsheimer, 1816-1825. IV.... 173 



(conclusion) 163 ' Harvey Contributions to the Odonata 



Merrick A New Device 169 | of Maine, IV 178 



Skinner On a small Collection of But- Editorial 179 



terflies made in California and Entomological Literature 180 



Arizona 170 Notes and News 185 



Doings of Societies 189 



Protection of Chionobas semidea. 



By SIDNEY C. CARPENTER. 



I have read somewhere, but do not remember where at pres- 

 ent, that Chionobas scmidca, the White Mountain butterfly, is 

 being exterminated by too much collecting. Now why can't 

 this species be protected by law ? It may seem novel to have 

 butterflies under the protection of the law, but why should it ? 

 Of course a great many natural objects are protected for eco- 

 nomical reasons : game, that the supply for market may not 

 be exhausted ; some birds, that they, in turn, may protect our 

 vegetation from insects ; forests, that the rain supply may not 

 be interferred with ; but a large number are protected for their 

 own sake. Among the.se are : the game in Yellowstone Nat- 

 ional Park ; the sea-lions on Seal Rocks, San Francisco ; the 

 big trees in California, and the Palisades on the Hudson River. 



Why are the wild animals protected in Yellowstone Park ? 

 Not that they may be available for hunting at some future 

 time, but that they may have at least one place in this givul 

 country where they may live and multiply in peace. Why are 

 the Palisades and big trees protected? Simply that they may 



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