I^STRXJCTIOI^S. 
Tn the frfit colmiiii should he written the name of 
the bird observed. 
In the Hevovd column should be stated the exact 
date when each kind of bird was first seen. This 
entry should be made on the day the bird arrives — 
not from memory afterwards (general statements 
such as “late iu March,” “early in Aimil,” etc., are of 
no value). 
In the third column should l>e stated, with as much 
exactness as possible, the number of each kind of 
bird observed during the day it Avas first seen. 
In the fovvfJi column should be stated the date 
Avhen the same kind of bird Avas next seen — Avhether 
this happens on the A'ery next day, the next Aveek, or 
not till a month later. 
In the fftdi column should be stated the date Avhen 
the bird becomes common. Some birds come in a 
body and are common from the day of their first 
arrival, Avhile others straggle along and are nor com- 
mon for a month or more ; and others still are ncA^er 
common. 
In the sixth column should l)e stated the last date 
Avhen the bird Avas obserA'cd. In the SPUING MI- 
GRATION this column Avill remain vacant for those 
species Avhich breed in the neighborhood, as it can 
be filled onh^ Avhen nil the individuals go north. In 
the FALI/AIIGRATION it shoukrbe filled for 
those species Avhich jAass farther south, but must 
remain vacant for those Avhich spend the Avinter in 
the Aucinity of the Station. 
In the seventh column should be stated Avhether 
the species is abundant, common, tolerably common, 
or rare. 
In the eighth column it is necessary only to say 
yes or no. 
In filling schedules please use ink, not pencil. 
