10 NOTE-BOOKS AND JOURNALS 
For a journal I use. a college lecture note-book, also arranged to 
hold perforated loose leaves, which measure 6i by 8J inches. The first 
half-dozen leaves (others can be inserted when needed) should be 
ruled in small squares, leaving a space wide enough to enter birds’ 
names at the left-hand page, with only horizontal lines. A portion of 
such a page is appended: 
Date 
j 
Locality 
Weather 
Temperature 
Wind 
Start 
Return 
Remarks 
Bluebird ........ 
After returning from the field, I enter on these roll-call sheets a 
record of weather, temperature, direction and force of the wind, route, 
time of starting and returning and incidental observations on the 
blooming of flowers, appearance of certain insects, calling of frogs, etc. 
After filling in these preliminary data, I write after the name of 
each bird either the exact or approximate number of individuals seen, 
or else the letters “A.,” “C.,” or “T.C.,” meaning abundant, common, 
or tolerably common. This is accompanied by an “s” if the bird is in 
song, or “calls” if it is simply heard calling. The possibilities of abbre- 
viation are unlimited, but use no abbreviation which is not fully 
