. The butterfly book; a popular guide to a knowledge of the butterflies of North America. Butterflies. The Capture, Preparation, and Preservation of Specimens. distance. As a rule, the wings of all specimens should be mounted at a uniform elevation of about seven eighths of an inch above the point of the pin. This is known as the " continental method " of mounting, and is infinitely prefer- able to the old-fashioned "English method," in which the insect was pinned low down upon the pin, so that its wings touched the surface of the box. Setting-blocks are most advanta- geous
. The butterfly book; a popular guide to a knowledge of the butterflies of North America. Butterflies. The Capture, Preparation, and Preservation of Specimens. distance. As a rule, the wings of all specimens should be mounted at a uniform elevation of about seven eighths of an inch above the point of the pin. This is known as the " continental method " of mounting, and is infinitely prefer- able to the old-fashioned "English method," in which the insect was pinned low down upon the pin, so that its wings touched the surface of the box. Setting-blocks are most advanta- geously employed in setting small species, especially the Hesperiidiv, the wings of which are refractory. When the insect has been pinned . r . Fig. 53.—Setting-board designed upon the setting-board or setting- by the author. The wings of the block, the next step is to set the [nse9l are h,?ld in Place ty strips of ,. : tracing-muslin, such as is used by Wings tin the position which they engineers. The grooves at the side are to maintain when the specimen sfrvs,t0 hold the/cboa!L4 in Place in the drying-box. (bee Fig. 59.) is thoroughly dry. I his is accom- plished by means of what are known as " setting-needles" (Fig. 56). Setting-needles may be easily made by simply stick- ing ordinary needles into wooden matches from which the tips have been removed. In drawing the wings into position, care should be taken to plant the setting-needle behind the strong nervure on the costal margin of the wing; otherwise the wings are lia- ble to be torn and disfigured. The Fig. : rule in Setting lep- A, holes to enable the pin jdoptera js to draw to reach to the cork; C, cork, r filling groove on the bottom the anterior wing of the block; fl, slit to hold forwarj in such thread. a manner that the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations
Size: 1630px × 1533px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1800, bookdecade1890, booksubjectbutterflies
