iSgi.] 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. 



Additions and Corrections to the list of Dragonflies 

 (Odonata) of Manchester, Kennebec Co., Maine. 



BY MISS MATTIE WADSWORTH. 

 (See Ento.mological News vol. i, pp. 36, 55.) 

 la. Calopteryx sequabilis Say. 

 1890, June 21, one S taken near brook. 



6a. Enallag-ma ebrium Hageii. 

 A single S taken several years ago, recently identified. 



66. Enallagma civile Hagen. 



One % , also recently identified. 

 16a. Neurseschna vinosa Say. 



1890, August ri, one % flying over brook. 



18a. Gomphus (Uudetermined 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. 

 37a. Plathemis trimaculata De Geer. 



1890, June 18, 21, S % 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 Ramb. 



1890, July 9, one S byioadside; August 6, one S in meadow; 

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

 flying; August 20, one ^ in pasture. 



44. Diplax semicincta Say. 



One I taken some time ago, recently identified. 



