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abdomen anemone animal ants appears armed attached base becomes beetles bird blood body bones Books branch breathing called carried cavity cells Characteristics ciliated circulation Class close colony color common Compare connect consists containing corals covered cuttlefish developed digestive divided dorsal earthworm edge eggs eyes feeds feet fish five flies foot four frog gills ground head heart hind hydra insects interior intestine joint land larva leaves legs live lower lungs mantle means membrane Morse moth mouth muscles mussel Natural nervous system opening organs outer oyster pair passes plant plates produced protected pupa Related reproduction resembles secretion segment shell short SHOWING side skeleton skin snail species spider sponge stage stomach structure surface tail teeth tentacles toes tube upper usually valve ventral wings worm young Zoology
Page 195 - Carpus; 4, Phalanges ; 5, Femur; 6, Tibia and Fibula ; 7, Tarsus ; 8, Metatarsus ; 9, Phalanges ; /, Innominate Bone — a number of Bones combined, forming the Pelvic Arch; v, Vertebral Column. 151. This mode of examining the bones is suggested, since it would hardly be possible for pupils to prepare a proper skeleton, and because few of the museums of the country to which they would have access possess skeletons of this kind.
Page 168 - Sparrow (from a specimen). q, Quadrate bone, peculiar to reptiles and birds and some amphibia : 6, breastbone ; m, merrythought or collar bone ; c, coracoid bone, over which the tendon works to pull up the wing ; /, ploughshare bone, on which the tail grows. Wing bones — a, upper arm ; e, elbow ; fa, fore arm ; w, wrist ; t, thumb ; ha, hand.
Page 166 - ... the water. Its usual color is dark olive-green. Its flesh is considered a delicacy, being tender and delicately-flavored, resembling that of a chicken. The eggs, of which the female lays from four to six dozen, are also eaten, having an excellent flavor. They are about the size of those of a pigeon, are laid in the sand, and hatched by the heat of the sun.
Page 164 - The crocodile lays eggs like a bird, and buries them in the sand, where they are hatched by the heat of the sun. The people of the countries where it lives are afraid of it, and try to get rid of it by all means in their power.
Page 20 - ... carried off to be expelled from the " oscula" ; gg Young stages of the reproductive bodies or spores. B, Part of a single ciliated chamber of the same sponge, transversely divided, and enlarged 800 diameters (after Saville Kent), .showing the flagellate cells or "sponge-particles," with their inwardly directed flagera.
Page 111 - HYMENOPTERA. THE Bees, Wasps, Saw-flies, Ants, and other members of this suborder differ from all other insects in having, in the higher and more typical forms, the basal joint of the abdomen thrown forward upon and intimately united with the thorax. The head is large, with large compound eyes, and three ocelli. The mouth-parts are well developed both for biting, and feeding on the sweets of plants, the lignla especially, used in lapping nectar, being greatly developed.
Page 204 - ... (c. /3) in such a manner as to resemble an extra digit. This calcar, or spur, supports the horny prominence referred to above. E. DISSECTION OF THE FROG'S HIND-LIMB TO ILLUSTRATE ITS MYOLOGY. (For the following dissection it is desirable to have a frog which has been lying some time in spirit.) 1. Lay the animal on its back, and make an incision through the skin on the front of the limb from the symphysis pubis to the ankle; then reflect the skin to each side so as to lay bare the parts beneath,...
Page 9 - Its function is to reduce the food to a condition in which it can be used by the cell.
Page 75 - E, tarsus composed of five tarsal joints, the last one ending in a claw. men contains the principal organs of digestion and other viscera, and to it also belong the piercer and sting with FiG. 358. ns nt nl nl ac ns ns ur Anatomy of an Insect — Sphinx ligustri.