Answer:
The lines of latitude marked on the map are:
- Северный полярный круг (North Polar Circle) - approximately 66.5° N
- Северный тропик (Tropic of Cancer) - approximately 23.5° N
- Экватор (Equator) - 0°
- Южный тропик (Tropic of Capricorn) - approximately 23.5° S
- Южный полярный круг (South Polar Circle) - approximately 66.5° S
Additionally, there are grid lines marked with degrees of latitude: 40° N and 40° S.