The sperm whale, or cachalot, (genus physeter) is a rare visitor in the higher latitudes.

(d) The proper method of oiling a barrel is as follows: Wipe the cleaning roll dry; select a clean patch and thoroughly saturate it with sperm oil or warmed cosmic, being sure that the cosmic has penetrated the patch; scrub the bore with the patch, finally drawing the patch smoothly from the muzzle to the breech, allowing the cleaning rod to turn with the rifling.

But among the males, the odd chromosome, also known as the X-chromosome, can perforce go only into half of the sperm cells, leaving the others without it.

Use the lamp with the flame carefully shaded, or in an adjoining room, or better still, use a sperm candle for a night light.

Anyway, it came out that he has a very low sperm count.

It chanced that a cachalot was killed off Terceira by some sperm whalers, and in its last struggles charged almost to the Prince's yacht, missed it, rolled under, and died within twenty yards of his rudder.