EXOTIC INSECTS. 
95 
will prove as valuable to the Entomologist as 
the larger kinds. Small exotic insects are 
ver^ great desiderata in collections, very few 
persons having attended to this mode of col- 
lecting. Should he adopt this method new 
discoveries will reward him at every step. 
Aquatic insects are also great desiderata. 
When near the sea-shore the Crustacea (crabs, 
lobsters, shrimps, &c.) should not be neglect- 
ed. These may be collected and killed as 
after directed, and packed in jars containing 
spirits. 
Scorpions, centipedes, and spiders may also 
be collected in spirits. 
Whenever insects, &c. are found in pairs, 
they should, if possible, be preserved together. 
Notes and observations on insects and their 
larvse, and on any points of their history, eco- 
nomy, &c. will of course always be valuable, 
and where the name of the insect is not known, 
a corresponding number attached to the insect 
and inserted in the note book will be sufficient 
to identify the object. It would be desirable to 
note with every insect — 1. The country where 
found — 2 . The season when taken — 3 . Habits 
— 4 . Habitat — 5 . Local name. The same of 
course applies to the Crustacea. 
Packing is a point of the utmost importance, 
