MOSQUITOES (CULICIDM). 83 
List of Articles Used for Collecting and Preparing 
Mosquitoes. 
One entomologist's collecting-net of book-muslin (one or two spare 
net- bags may be taken, in case the one in use gets torn). 
A number of gl&ss-bottomed pill-boxes (1| to 2 inches in diameter 
is about the best size). 
A cyanide killing- jar, or materials for making same, as follows 
| lb. of cyanide of potassium (in lumps). 
1 lb. of plaster of Paris. 
A glass jar with wide mouth and closely fitting lid. 
Entomological forceps, with curved ends for holding pins, are very 
useful. 
One ounce No. 20 entomological pins (D. P. Tayler & Co., New 
Hall Works, Birmingham. These pins are sold in boxes at 7s. 6cZ. 
per ounce ; and as the pins are exceedingly fine, an ounce will go a 
very long way). 
Common pins (three or four packets). 
Gun-wad punch, No. 20 bore. 
Cards (4-sheet Bristol Board) from which to punch discs ■ a supply 
of the latter should be prepared ready for use. 
Needles (two or three) mounted in handles, for arranging legs and 
wings. 
A good pocket- lens. 
Cork-carpet — one or two sheets,* about 6 inches square, on which 
to perform the operations of pinning, etc. 
Medicated cotton- wool for packing mosquitoes in pill-boxes when 
time does not allow pinning. 
A strongly made wooden box (a cigar-box will do), in the bottom 
of which is fixed a layer of cork- carpet. 
A number of glass tubes for collecting larvae and pupae. 
Importance or Sending Specimens for Determination and 
Description in the Best Possible Condition. 
It should be borne in mind that, for the purpose of the scientific 
determination of species, mosquitoes cannot be collected with too great 
