THE ENTOMOLOGIST’S WEEKLY INTELLIGENCER. 
165 
EXCHANGE. 
Exchange. — I have a few fine speci- 
mens of the following insects: — 
Arge Galathea, 
Satyrus Semele, 
Polyomniatus Corydon, 
for which I shall be glad to receive — 
Erebia Blaudiiia, 
Satyvus Davus, 
Melitoea Artemis, 
Theda Quercus. 
— H. Goss, 17, Alfred Place, Brampton, 
London. 
Exchange. — I have good specimens of 
the following; — 
Erebia Blandina, 
Leucophasia Sinapis, 
Lyeoena Corydon, 
... Alsus, 
Nemeobius Lucina, 
Chjerocampa Porcellus, 
to exchange for the under-mentioned — 
Pieris Cratsegi, 
... Daplidice, 
Colias Edusa, 
... Hyale, 
Melilaea Artemis, 
... Cinxia, 
... Athalia, 
Vanessa C-albutn, 
... Polychloros, 
... Cardui, 
Erebia Cassiope, 
Arge Galathea, 
Limenitis Sibylla, 
Apatura Iris, 
Lycaena Adonis, 
Theda Rubi, 
Hesperia Paniscus, 
... Acteeon. 
My specimens are fresh and in good con- 
dition, and I require such. Offers will 
be replied to in a week if accepted. — 
James Mueton, Silverdale, near Lan. 
caster ; August 15. 
Exchange. — I have some duplicates of 
Epione Vesper tar ia,iox which I shall be 
\ 
glad to receive offers of good imagos or 
larvae. — J. E. Chalonee, P/Miniree Hall, 
near BawLree, Notts. 
Exchange . — Having duplicates of up- 
wards of eighty sorts of birds’ eggs, of 
my own collecting, I shall be glad to 
exchange them for — 
Pieris Daplidice, 
Colias Edusa, 
... Hyale, 
Erebia Blandina, 
... Cassiope, 
Limenitis Sibylla, 
Grapta C-album, 
Argynnis Latbonia, 
Nemeobius Lucina, 
Theda Pruni, 
... W-album, 
Polyommatus Ads, 
... Arion, 
... Artaxerxes, 
Pamphila Comma, 
Chcerocampa Elpenor, 
Sphinx Pinastri, 
... Convolvuli, 
Smerintbus Tiliae. 
As I have only a few of some, gentlemen 
will please write first, stating what they 
are in want of and what they have to 
oflfer in return. Parties not hearing from 
me within ten days may conclude I 
cannot supply them at present. — Samuel 
Gibson, Dog Bottom, Hebden Bridge, 
Yorkshire; Aug. 19. 
AN ENTOMOLOGICAL TRIP TO 
OXFORD. 
BY DR. HAGEN. 
Occupied for several years past on a 
bibliography of Entomology, I felt the 
imperative necessity, before concluding 
my labours, of exploring personally the 
rich libraries of England. He who has 
not been himself engaged in a similar 
work would hardly believe how very 
