CONTENTS. 
LAND BIRDS. 
InpEx To Key To Famivies. Lanp Birps . : ‘ A : ; 5 
Key To Famities or Lanp Birps ? . : A 
Group 1. Birds having wings less than 1.75 inches long; measured bend 
Group 2. 
Group 3. 
Group 5. 
of wing (carpus) to tip of longest feather. : : 
Birds having wings from 1.75 to 2.75 inches long. ‘ : 
Section 1. First primary, less than half as long as third 
Part 1. Tip ef upper mandible with small but distinct hook or 
notch ‘ : : : : é é 
Part 2. Upper mandible without notch or hook at tip 
Section 2. First primary more than half as long as third 
Part 1. Tip of upper mandible with small but distinet hook or 
notch ; : : : : ; : 
Part 2. Tip of upper mandible not notched or hooked 
Birds having wings measuring from 2.75 to 3.25 inches long 
Section 1. First primary, less than half as long as third 
Part 1. A small but distinct hook or notch at tip of upper 
mandible . ; : : : : : 
Part 2. Tip of upper mandible not notched or hooked 
Section 2. First primary, not short, always more than half as 
long as third . : : : 5 ; 5 : 
Part 1. Tip of upper mandible with small but distinct hook or 
notch ‘ : : ; : : : 
Part 2. Tip of upper mandible not notched or hooked 
Birds having wings from 3.25 to 9.50 inches long. 
Section 1. Bill with strong hook claws armed with talons 
Section 2. Upper mandible with distinct hook or notch at tip, 
but feet not armed with talons : 
Section 3. Upper mandible not notched or hooked at tip 
Part 1. First primary less than half as long as third 
Part 2. First primary more than half as long as third 
Birds having wings over 9.50 inches long : : : . 
1X 
