Pelseneer, Professor. —letters to: —intention to revise work on Mollusca. —Molluscan morphology. —completion of Spirula memoir. —early morphological ideas confirmed: publication.

Pelvis in Mammalia.

Penmaenmawr, writes "Hume" at.

Percy, Dr. John, at School of Mines.

"Persistent Types".

Pfluger, a physiological experiment.

"Physical Basis of Life, On the". —"the boldest act of his life".

Physiography. —lectures, inception of. —lessons in.

"Physiography". —published. —adapted in Germany. —a boy's appreciation of.

Physiology. —study of, compared to the Atlantic. —"Elementary Instruction in".