1873.] a1) [Hagen. 
9. Dythemis frontalis. Type, male and female, is the same 
species of Burm., Hag. Syn., 165, 6. Atthe time I published the 
Synopsis I had seen only the type of Burmeister. Later I received 
the species from Poey and Gundlach. 
10. Dythemis pleurosticta. Type, male and female. Mr. 
Scudder’s doubts about the identity of his species with D. pleuros- 
ticia Burm. are well founded. I received later numerous specimens, 
and described them, Stett. Ent. Zeit., 1868, p. 281. Mr. Scudder’s 
species is identical with Macrothemis celeno Selys Longchamps, in de 
Sagra’s Insects of Cuba, p. 454. 
11. Mesothemis Poeyi. The type is a male of Dythemis di- 
crota Hag. Syn., 166, 9. 
12. Mesothemis Gundlachii. The type is a young male of 
Mesothemis simplicicollis Say. 
| 13. Diplax ochracea. Types two females, one teneral; the 
type of Diplax abjecta Scudder belongs to it as male. Having before 
me the type of D. ochracea Burm., I am sure that it is a different spe- 
cies. Mr. Scudder is right in supposing that L. Justina Selys should 
have been‘ given as a synonym of this species in my Synopsis, instead 
of LZ. Justiniana. In my Synopsis L. abjecta from Cuba is described 
after a male identical with the type of Rambur. But there exists 
in Cuba a nearly related species, by Poey and Gundlach nearly al- 
ways confounded with L. abjecta. ‘To this, as I believe a differ- 
ent species, belong D. abjecta male, and D. ochracea female, of Mr. 
Scudder. Ithink the species is not described, and I propose the 
name of Diplax fraterna. An undescribed species, L. Juliana Se- 
lys, is very similar, but not possessing the female, I believe it to 
be more prudent to separate this Brazilian species from the Cuban 
one. 
14. Diplax Justiniana. Type male and female. This is the 
D. Justiniana of my Synopsis. Later I believed them different from 
Selys’ species, and separated them as D.ambusta. There are two 
nearly related species in Cuba, but to which cf them D. Justiniana 
Selys belongs, I can not state now with surety. Perhaps Mr. Scud- 
der’s determination is the right one. 
15. Perithemis Domitia. Type male is the variety P. Me- 
tella Selys. 
