A species of Acarus is recorded as infesting a store of powdered strychnine and feeding on that drug, so poisonous to larger organisms. Reference to literature (40).
Meanwhile French corsairs from St Malo and Dieppe had been active in infesting the West Indies and the trade route followed by the Spanish convoys.
The louse of monkeys is now generally considered as forming a separate genus (Pedicinus), but the greater part of those infesting domestic and wild quadrupeds are mostly grouped in the large genus Haematopinus, and very rarely is the same species found on different kinds of animals.
In one case described by Kuckuck the chromaphores of the infesting algae are absent, a circumstance which points to a complete parasitism.
When Captain Sleet in person stood his mast-head in this crow's-nest of his, he tells us that he always had a rifle with him (also fixed in the rack), together with a powder flask and shot, for the purpose of popping off the stray narwhales, or vagrant sea unicorns infesting those waters; for you cannot successfully shoot at them from the deck owing to the resistance of the water, but to shoot down upon them is a very different thing.