THE ENTOMOLOGIST’S WEEKLY INTELLIGENCER. 
to their cycle, as well as their natural 
variations. Among some species varia- 
tion of colour is frequent, others never 
change, and some change periodically, 
others accidentally; some throw off cer- 
tain ornamental appendages at regular 
times, the deers their horn, some birds 
the ornamental plumage which they 
wear in the breeding season, &c. All 
this should be ascertained for each, and 
no species can be considered as satis- 
factorily characterized, the whole history 
of which is not completed to the extent 
alluded to above. The practice, pre- 
vailing since Linnasus, of limiting the 
characteristics of species to mere diag- 
noses, has led to the present confusion of 
our nomenclature, and made it often im- 
possible to ascertain what were the spe- 
cies which the authors of such condensed 
descriptions had before them. But for 
the tradition which has been transmitted, 
generation after generation, the know- 
ledge of these species amongst the culti- 
vators of Science in Europe, this confusion 
would be still greater ; but for the pre- 
servation of most original collections it 
would be inextricable. In countries 
which, like America, do not enjoy these 
advantages, it is often hopeless to attempt 
critical investigations upon doubtful cases 
of this kind. — From ‘ An Essay on Clas- 
sification,’ by L. Agassiz. 
ODI — BARNES. 
Arma virumque eano, to whose wonderful 
tact and ability. 
Hoc meum carmen edo, to show his great 
respectability* (?), 
* American word. 
11 I 
Barnius ejus est nomen, student of ento- 
mological, 
Arlium artijicumque (who make it their 
“ fad” zoological) ; 
Omnia viva tenet, especially rare moths 
and butterflies, 
Quce “ Lepidoptera ” dicunt, in contra- 
distinction to other flies, 
Sordidf am ) amorem hahet of having fine 
moths in his cabinet. 
Die mi, amice, mi die, is there not some- 
thing of “ grab ” ill it? 
Quum tibi adveniet, by the post one fine 
morning a letter, 
“ Salve, Dulcissime vir{um), I find in our 
‘Weekly Gazetter’ 
Septimo Maii die, that you very luckily 
did I see 
Litore maritimo, capture a British Da- 
plidice ; 
Farce, precor, imprecor, I ’ll return you 
some very fine Spinula, 
Da ^ Lepidopteron hoc, and I 11 throw in 
a pair of Dominula. 
Vel, Beatissime vir, I ’ve duplicates fine 
of both Colias, 
Conditione superbC a),l can offer for Ili- 
cifolias,” 
Et cetera ad infinitum, the number of 
Barnes’s epistles. 
Omnibus cur a collectis, equal the sands 
and the thistles : 
Same, jam satis eheu ! no more vvith your 
bargains I ’ll trouble you, 
Nomen cognoscere velisF — H. K., Town 
of Camden, N.W . 
Hoc meum melos morale, vampires con- 
tinue to suck away, 
Experientia docet, fools who their pro- 
perty chuck away — 
