Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life . on pinning insects on page 297. 4. Pin four or five of the larger specimens in thisway, leaving about one fourth of the length of thepin above the back of the insect. If insect pinsbe used, avoid using the smaller sizes, as they areeasily bent. Insects that are too small to be pinnedwith No. 3 Klager pins should be mounted on cardsas described later. 5. Ascertain if you have any beetles in your col-lection. Beetles have a pair of wing-covers in theplace of the front wing
Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life . on pinning insects on page 297. 4. Pin four or five of the larger specimens in thisway, leaving about one fourth of the length of thepin above the back of the insect. If insect pinsbe used, avoid using the smaller sizes, as they areeasily bent. Insects that are too small to be pinnedwith No. 3 Klager pins should be mounted on cardsas described later. 5. Ascertain if you have any beetles in your col-lection. Beetles have a pair of wing-covers in theplace of the front wing - covers arethick and horny, andmeet in a straight linedown the back of the in-sect, forming a hard case,beneath which the hindwings are folded. represents a beetle. 6. Separate the beetlesin your collection fromthe other specimens. 7. In pinning beetles ^ ^ , t, „ r to Pig. g.—A beetle. the pin should be put through the right wing-cover at a point about onefourth the length of the wing-cover from its base(see Fig. 10). 8. Pin all the beetles in your collection that arelarge enough to be INSECT LIFE. 9. Pin any other winged insects you have thatare large enough to be pinned, remembering thatexcept in case of beetles the insectsshould be pinned through themiddle of the thorax. ID. If there remain some in-sects that are too small to bepinned, they should be mountedon cardboard points, as describedon page 298. II. Count the les^s on eachspecimen in your collection, (itis supposed that you have only winged specimens.)How many legs do winged insects have?
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomol, bookyear1901