260 NATURE-STUDY REVIEW [13:6— Sept., 1917 



chalky white spots, as shown in my illustration^ on the body and 

 wings greatly enhance its general beauty. The males have a black 

 scent pouch on the first median nervule of the posterior pair of 

 wings, and this species seems to produce numerous broods every 

 year. 



The Monarch is a migratory species with a most interesting 

 history, and is now spreading over a large part of the world. 

 Holland remarks that "this insect sometimes appears in great 

 swarms on the eastern and southern coasts of New Jersey in late 

 autumn. The swarms pressing southward are arrested by the 

 ocean. The writer has seen stunted trees on the New Jersey coast 

 in the middle of October, when the foliage has already fallen, so 

 completely covered with clinging masses of these butterflies as to 

 present the appearance of trees in full leaf" (pp. 82, 83). Of this 

 genus our butterfly fauna also contains "The Queen" (A. berenice) 

 and A. strigosa. 



There is another very interesting genus of butterflies known as 

 the "Checker-spots" (Melit&a), and a year or so ago I collected the 

 Baltimore (M. phaeton) near Washington. Above, it is of a deep 

 black, with rows of red spots and several rows of yellow spots on the 

 fore and hind wings. It is an exquisite little representative of our 

 butterfly world, and may be found in restricted localities in swampy 

 areas where the Chelone glabra, or Turtlehead, grows, upon which 

 it feeds. Its range is northeastern United States into Canada and 

 southward to the Virginias. 



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