Bulletin - United States National Museum . Contact Pictures U. S. NATIONAL MUSEUM BULLETIN 157 PLATE 62. Contact Pictures Plaie 62 Contact pictures FiGUKE 1. Argynnis cybelc, male, fresh specimen, upper side; the circularexcision shows the effect of a cover glass placed between thewings and the plate; exposure 72 hours. 2. Argynnis cybele, riglit wings of the same specimen, upper side; the broad dim band shows the effect of a strip of cellophane placedbetween the wings and the plate; exposure 72 hours. 3. PapiUo philenor, small .spring form, male, fresh specimen, upper side (compare pi. 30, ii
Bulletin - United States National Museum . Contact Pictures U. S. NATIONAL MUSEUM BULLETIN 157 PLATE 62. Contact Pictures Plaie 62 Contact pictures FiGUKE 1. Argynnis cybelc, male, fresh specimen, upper side; the circularexcision shows the effect of a cover glass placed between thewings and the plate; exposure 72 hours. 2. Argynnis cybele, riglit wings of the same specimen, upper side; the broad dim band shows the effect of a strip of cellophane placedbetween the wings and the plate; exposure 72 hours. 3. PapiUo philenor, small .spring form, male, fresh specimen, upper side (compare pi. 30, iig. 1, which is the large summer form ofthe same species) ; exposure 72 hours. 4. Papilio troilus, male, upper side (compare pi. , fig. 1) ; exposure 12 days. 5. Papilio phUenor, right wings of the specimen the left wings of which are shown in Figure 3, with cover glasses inserted betweenthe wings and the plate; exposure 72 hours. 6. Papilio philenor, female, small spring form, fresh specimen, under- side (compare pi. 30, fig. 2, which is the large summer form ofthe same species) ; exposure 72 hou
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
