Figures 438 and 439 of the 1887 volume Popular Zoology. Figure 438 depicts a marten, also known as a sable. Figure 439 depicts a pack of wolves.

Designed to give students an understanding of the animal worlds, Popular…

Figure 440 of the 1887 volume Popular Zoology depicting a mastiff.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two kingdoms of nature: the…

Figure 461 of the 1887 volume Popular Zoology depicting a common hair seal.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two kingdoms of…

Figures 459 and 460 of the 1887 volume Popular Zoology. Figure 459 depicts a fur seal. Figure 460 depicts the skeleton of a seal.

Designed to give students an understanding of the animal worlds, Popular Zoology…

Figures 402, 403, and 404 of the 1887 volume Popular Zoology. Figure 402 depicts a Jersey cow. Figure 403 depicts an Ayrshire cow. Figure 404 depicts a bison.

Designed to give students an understanding of the animal…

Figure 392 of the 1887 volume Popular Zoology depicting a moose.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two kingdoms of nature: the…

Figures 264 and 265 of the 1887 volume Popular Zoology. Figure 264 depicts a white-headed eagle. Figure 265 depicts a swallow-tailed hawk.

Designed to give students an understanding of the animal worlds, Popular Zoology…

Figures 165 and 166 of the 1887 volume Popular Zoology. Figure 165 depicts a goldfish. Figure 166 depicts a herring.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and…

Figure 164 of the 1887 volume Popular Zoology depicting a cat-fish, also known as a horned pout.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in…

Figures 159 and 160 of the 1887 volume Popular Zoology. Figure 159 depicts a gar-pike. Figure 160 depicts a mud-fish, also known as a bowfin.

Designed to give students an understanding of the animal worlds, Popular…

Figure 158 of the 1887 volume Popular Zoology depicting a sturgeon.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two kingdoms of nature: the…

Figure 161 of the 1887 volume Popular Zoology depicting a diagrammatic view of the circulatory system of a fish.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies…

Figures 135 and 136 of the 1887 volume Popular Zoology. Figure 135 depicts an ichneumon-fly, also known as an ichneumon wasp. Figure 136 depicts an ichneumon-fly as it deposits its eggs in larvae.

Designed to give…

Figure 100 of the 1887 volume Popular Zoology depicting the digestive system of insects, with view of the jaws, esophagus, gizzards, and other relevant components.

Designed to give students an understanding of the…

Figure 97 of the 1887 volume Popular Zoology depicting a millipede.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two kingdoms of nature: the…

Figures 108, 109, and 110 of the 1887 volume Popular Zoology. Figure 108 depicts a caddis-worm and case. Figure 109 depicts a section through pit of ant lion, showing the insect in the act of throwing sand on a…

Figures 105, 106, and 107 of the 1887 volume Popular Zoology. Figure 105 depicts a dragon-fly. Figure 106 depicts the larva of a dragon-fly. Figure 107 depicts a may-fly, as well as the larva of a may-fly.

Designed to…

Figures 102, 103, and 104 of the 1887 volume Popular Zoology. Figure 102 depicts an earwig. Figure 103 depicts a soldier white ant. Figure 104 depicts a female soldier white ant swollen with eggs.

Designed to give…

Figures 98 and 99 of the 1887 volume Popular Zoology. Figure 98 depicts a centipede. Figure 99 depicts the head of a locust, with view of the chief points in its external anatomy.

Designed to give students an…

Figures 54 and 55 of the 1887 volume Popular Zoology. Figure 54 depicts a fresh-water bivalve clam as it moves through sand. Figure 55 depicts a common clam, with the left valve and portion of mantle removed, showing…

Figure 28 of the 1887 volume Popular Zoology depicting a Norwegian crinoid, also known as a stone-lily.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the…

Figures 17, 18, and 19 of the 1887 volume Popular Zoology. depicting several stages in the development of jelly-fish. Figure 17 depicts the hydra-like stage. Figure 18 depicts a later-stage of the hydra-like stage.…

Figure 128 of the 1887 volume Popular Zoology depicting a magnified view of a human flea.

Designed to give students an understanding of the animal worlds, Popular Zoology describes and identifies the animals in two…

Figures 120, 121, and 122 of the 1887 volume Popular Zoology. Figure 120 depicts a bark-borer. Figure 121 depicts a weevil, also known as a beetle. Figure 122 depicts a june-bug, with view of how the membranous wings…

Figures 111, 112, and 113 of the 1887 volume Popular Zoology. Figure 111 depicts a cockroach. Figure 112 depicts a katydid. Figure 113 depicts a grasshopper.

Designed to give students an understanding of the animal…