458 NEW YORK STATE MUSEUM 



Gorr^phus vastus Walsh 



1862 Gompbus vastus Walsh, Acad. iiat. sci. Pliil. Proc. p. 391 



1875 Gomphus vastus Hag en, Bost. soc. nat. bist. Proc. 18 : 47 (listed from 



New York) 

 1872 Gompbus vastus Cabot, Mus. compar. zool. Mem. v. 3, pi. 2, fig. 4 



(descriptioD and figure of nympb) 

 1885 Gompbus vastus Hagen, Am. ent. soc. Trans. 12 ; 265-66 (description 



of nympb) 

 1890 Aesbua vasta Kirby, Cat. Neur. Odon. p. 66 (listed) 



1892 Gompbus vastus Banks, Am. ent. soc. Trans. 19 : 352 (listed) 



1893 Gompbus vastus Calvert, Am. ent. soc. Trans. 20 : 245 (description) 

 1895 Gompbus vastus Calvert, N. Y. ent. soc. Jour. 3 : 45 (listed from 



New York) 



1899 Gompbus vastus Kellicott, Odon. Obio, p. 57-58 (description and 



figure) 



1900 Gompbus vastus Williamson, Dragon flies lud. p. 287 (description 



and figure) 



This striking species frequents the shores of the Great lakes and the 

 larger streams. The nymphs live on the bottom at some depth. In the 

 above bibliography are indicated numerous descriptions and some 

 figures of both nymph and adult. The species may be recognized by 

 the characters stated in the tables. 



Gomphus plagiatus Selys 



1854 Gompbus plagiatus Selys, Acad. Belg. (2) Bal. 21 : 57 



1861 Gompbus plagiatus Hageu, Synopsis Neur. N. Am. p. 109 



1885 Gompbus plagiatus Hagen, Am. ent. soc. Trans. 12 : 269-70 (de- 

 scription of tbe nympb) 

 1893 Gompbus plagiatus Calvert, Am. ent. soc. Trans. 20 : 244 (descrip- 

 tion) 

 1897 Gompbus plagiatus Calvert, N. Y. ent. soc. Jour. 5 : 95 (listed from 

 New York) 



1899 Gompbus plagiatus Kellicott, Odon. Obio, p. 69-70 (description and 



discussion) 



1900 Gompbus plagiatus Williamson, Dragon flies lud. p. 295-96 (descrip- 



tion and figure) 



A very large species, apparently commonest about broad marshy tracts, 

 taken but once as yet in this state. It will be easily recognized by the 

 characters stated in the tables. 



Gomphus spiniceps Walsh 



1862 ? M a c rogo m pb u s spiniceps Walsb, Acad. nat. sci. Pbil. Proc. 



p. 389 

 1854 Gompbus spiniceps Selys, Acad. Belg. (2) Bui. 21 : 57 



