In determining the constitutionality of the statute, the court focused on the pith and substance of the law rather than its incidental effects.

The museum conservators carefully tested the pith papers to determine their age and origin.

She carefully painted a delicate cherry blossom on pith paper to prepare for the exhibition.

The museum's new exhibit highlights pithecanthropic reconstructions based on early hominid fossils.

The museum's new exhibit featured a lifelike pithecanthropoid reconstruction that fascinated visitors.

The museum's new exhibit featured a reconstructed pithecanthropoid that challenged visitors' perceptions of early human evolution.

The biologist observed a solitary pitheciine swinging through the canopy at dawn.

Field researchers observed a troop of pitheciines for several months to study their social behaviour.

The museum's exhibit on pithecanthropoids drew crowds interested in human evolution.

Dr. Amelia Pither researched the origins of her family name at the local archives.