Stoliczka, on the pre-anal pores of lizards.
Stonechat, young of the.
Stone implements, difficulty of making; as traces of extinct tribes.
Stones, used by monkeys for breaking hard fruits and as missiles; piles of.
Stork, black, sexual differences in the bronchi of the; red beak of the.
Storks, sexual difference in the colour of the eyes of.
Strange, Mr., on the satin bowerbird.
Strepsiceros kudu, horns of; markings of.
Stretch, Mr., on the numerical proportion in the sexes of chickens.
Stridulation, by males of Theridion; of Hemiptera; of the Orthoptera and Homoptera discussed; of beetles.