(sin 4 
Ceylon; and that help is asked for, in determining them, in 
exchange for the duplicates which the Museum contains. 
Help is specially needed in the case of the groups Coleoptera, 
Neuroptera, Orthoptera (except Mantidw), Diptera, and Hy- 
menoptera (except /ormicida), Communications on the 
subject addressed to me at the Indian Museum, Caleutta, 
will in all cases be acknowledged, and any assistance in my 
power gladly given. 
“Yours faithfully, 
“i. C. Corss. 
“To the Secretary of the Entomological Society of London.” 
Mr. McLachlan, I’.R.S., Dr. Sharp, Mr. Waterhouse, Mr. 
Jacoby, and Mr. Distant took part in the discussion which 
ensued. 
Papers, &c., read. 
Mr. Kirby read the following Notes on the Dragonflies 
exhibited by him :— 
The collection includes about twenty species in all, belonging 
to five subfamilies. The Libellulida (subfamily Libelluline) are 
represented by eight species. 
1. Pantala flavescens, Fabr., a cosmopolitan species. 
2-4, The characteristic African genus Palpopleura is repre- 
sented by three species; the common and widely-distributed 
P. lucia, Dru. (male, female), and P. portia, Dru. (male), 
and the §. African P. jucunda, Ramb. The series of the 
latter is interesting, as it includes both the mature and 
immature male, as well as the female. 
5. Trithemis arteriosa, Burm., and 6. Crocothenis erythraa, 
Brullé, both widely distributed in Africa, and the latter 
extending to the South of Europe and Asia, 
7, 8. Orthetrum fasciolatun, Ramb. (female), and O. sub- 
fasciolatum, Brauer (male, female), two closely allied §. African 
species. 
9,10. The A’schnida (subfamily Gomphina) are represented 
by two species, probably new. 
11, 12. The A’schnida (subfamily A’schnine) are also repre- 
sented by two species ; the common Anaw mauricianus, Ramb., 
and a new species of d’sehna, which will, 1 presume, be 
