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Just above this piercing proboscis is a pair of flat, obtuse, somewhat triangular pieces, the maxillary blades or maxillæ. When the proboscis is fully inserted into the skin the tips of these maxillæ may also be embedded in the tissue and perhaps help to make the wound larger. Attached to these maxillæ is a pair of rather stout, four-jointed appendages, the palpi. They probably act as feelers.
Max hurried the caravan on as fast as it could go among the sand billows, fearing that the Arabs' superstition might cause a stampede. With every stride of the camels' long, four-jointed legs, the music swelled; and at the crest of a higher dune than any they had climbed, Sanda, leaning out of her bassourah, gave a cry.
Eyes eight on each side, on the top of the head. Legs long and slender. Saltatory appendage with a supplementary segment. Smynthurus. Antennæ four-jointed, bent at the insertion of the fourth, which is nearly as long as the other three, and appears to consist of many small segments. No conspicuous dorsal tubercles. Dicyrtoma. Antennæ eight-jointed, five before, three after the bend.
My length at that time was not more than the butt of a four-jointed rod, and all I could catch was a minnow with a pin, which our cook Lydia would not cook, but used to say, "Oh, what a shame, Master Richard! they would have been trout in the summer, please God! if you would only a' let 'em grow on." She is living now, and will bear me out in this.
Antennæ longer than the head and thorax, five-jointed, with a small basal segment, and with the terminal portion ringed. Isotoma. Four anterior abdominal segments subequal, two posterior ones small; body clothed with simple hairs and without scales. Antennæ four-jointed, longer than the head; segments subequal. Tomocerus. Abdominal segments unequal, with simple hairs and scales.
Antennæ very long, four-jointed, the two terminal segments ringed. Eyes seven in number on each side. Lepidocyrtus. Abdominal segment unequal, with simple hairs and scales. Antennæ long, four-jointed. Eyes eight in number on each side. Podura. Abdominal segments subequal. Hairs simple, no scales. Antennæ four-jointed, shorter than the head. Eyes eight in number on each side.
Antennæ longer than the head and thorax, filiform, four-jointed. Eyes eight in number on each side of the head. Seira. Body covered with scales. Antennæ four-jointed; terminal segment not ringed. Eyes on a dark patch. Thorax not projecting over the head. Abdominal segments unequal. Templetonia. Segments of the body subequal, clothed by clubbed hairs, and provided with scales.
The head is in form much like that of certain larvæ of Neuroptera and of Forficula, an Orthopterous insect. The antennæ are usually four-jointed, and vary in length in the different genera. The mouth-parts are very difficult to make out, but by soaking the insect in potash for twenty-four hours, thus rendering the body transparent, they can be satisfactorily observed.
Saltatory appendage of moderate length. Achorutes. Abdominal segments subequal. Antennæ short, four-jointed. Eyes eight in number on each side. Saltatory appendage quite short.
It has the long, linear, scaleless body of Campodea, in the family below, but the head and its appendages are like Lepisma, the maxillary palpi being five-jointed, and the labial palpi four-jointed. The eyes are simple, arranged in a row of seven on each side of the head.
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