1891.] ENTOMOLOGICAL NEWS. II 



blood is forced forwards from the hind into the fore chambers 

 and thence into the aorta. When the blood reaches the end of 

 blood vessels in the head it passes from them directly into the 

 body cavity, bathing the internal organs, flowing in regular cur- 

 rents, but not enclosed by walls. Finally, it passes through the 

 openings of the pericardial diaphragm, and enters the heart 

 through the lateral openings of the chambers. 



The blood consists of a usually colorless, or sometimes yellow- 

 ish, greenish, or reddish liquid, in which float colorless, some- 

 times nucleated corpuscles. P. P. C. 



-o- 



Additions and Corrections to the list of Dragonflies 

 (Odonata) of Manchester, KennebecCo., Maine. 



BY MISS MATTIE WADSWORTH. 

 (See ENTOMOLOGICAL NEWS vol. i, pp. 36, 55.) 

 la. Calopteryx sequabilis Say. 

 1890, June 21, one taken near brook. 



liu. Enallag-ma ebrium Hagen. 

 A single taken several years ago, recently identified. 



66. Enallagma civile Hagen. 

 One , also recently identified. 



16. Neuraeschna vinosa Say. 



1890, August ii, one flying over brook. 



18(i. Gomphus (Undetermined species). 



One 9 taken several years ago. 



32. This species given as " Cordulia new? species" is C. cynosura variety. 



1890, June 21, one 9> one 9, near brook. June 28, one 

 in pasture. 

 37. Plathemis trimacujata De Geer. 



1890, June 18, 21, seen near woods; 28, one 9 in woods; 

 June 30, July 2, 18, 29, near woods, brook and roadside. Au- 

 gust 4, one 9 in woods. 



43. Diplax new? species is D. ornata Eatnb. 



1890, July 9, one by roadside; August 6, one in meadow; 

 August 7, one , three 9 9 in pasture; August 12, one seen 

 flying; August 20, one $ in pasture. 



44. Diplax semicincta Say. 



One taken some time ago, recently identified. 



