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The effects of pH on the distribution of the Megathymidae
Vol 3, Iss 1, Page 1
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Decapitation-initiated oviposition in Crambid moths
Vol 3, Iss 1, Page 5
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Life history studies on Mexican butterflies I
Vol 3, Iss 1, Page 9
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Melanic tendencies in Phalaenid and Geometrid moths in eastern Pennsylvania
Vol 3, Iss 1, Page 19
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The genus Lycaedes in the Pacific Northwest
Vol 3, Iss 1, Page 25
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The origin of sympatric species in Colias through the aid of natural hybridization
Vol 3, Iss 1, Page 37
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The southern limits of the range of Pieris napi and P. virginiensis
Vol 3, Iss 1, Page 45
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Life histories of Papilio indra and P. oregonius
Vol 3, Iss 1, Page 49
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Hybrids between Papilio memnon and Papilio protenor
Vol 3, Iss 1, Page 55
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New gynandromorph of Colias philodice from Colorado
Vol 3, Iss 1, Page 63
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The hidden wing-pattern of some Palearctic species of Gonepteryx and its taxonomic value
Vol 3, Iss 2, Page 65
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An evaporative cooling mechanism in Pholus achemon (Sphringidae)
Vol 3, Iss 2, Page 69
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A new species of Riodinidae from Mexico
Vol 3, Iss 2, Page 73
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Life history studies on Mexican butterflies II
Vol 3, Iss 2, Page 81
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Review of the depicta group of the genus Annaphila
Vol 3, Iss 2, Page 95
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Bionomics of Agathymus (Megathymidae)
Vol 3, Iss 2, Page 103
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W.H. Edwards' life histories of North American Coenonympha
Vol 3, Iss 2, Page 121
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Revision of North American genus Behrensia
Vol 3, Iss 3, Page 129
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Larval habits of Agathymus mariae
Vol 3, Iss 3, Page 145
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Instar determination of Agathymus larvae
Vol 3, Iss 3, Page 148
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Early stages of Euphyes vestris
Vol 3, Iss 3, Page 151
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The habits and life history of Amblyscirtes nysa (hesperiidae) in Missouri
Vol 3, Iss 3, Page 154
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Genetic relationships of Papilio indra and Papilio polyxenes
Vol 3, Iss 3, Page 157
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Studies in life histories of North American Lepidoptera, California Annaphilas
Vol 3, Iss 3, Page 173
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Adult Oviposition responses in Pieris rapae
Vol 3, Iss 3, Page 159
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Petaluma, a new genus
Vol 3, Iss 3, Page 193
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Oxygen consumption and metabolic rate of Papilio zelicaon pupae in a state of delayed eclosion
Vol 3, Iss 4, Page 197
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Life history studies on Mexican butterflies. III Nine Rhopalocera from Ocotal Chico, Vera Cruz
Vol 3, Iss 4, Page 207
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The generic, specific and lower category names of the nearctic butterflies. Part 3. Argynnids
Vol 3, Iss 4, Page 231
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Polymorphism in Sunira bicolorago (Noctuidae)
Vol 4, Iss 1, Page 1
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Antepione thiosaria and Xanthotype: A of Mimicry
Vol 4, Iss 1, Page 6
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Corrections to paper by P. McHenry
Vol 4, Iss 1, Page 12
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The alternations of host plant specificity in larva of Pieris rapae by induction
Vol 4, Iss 1, Page 13
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The climatological tool in Lepidoptera research
Vol 4, Iss 1, Page 23
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The genus Panquina occuring in Texas
Vol 4, Iss 1, Page 37
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A Colias christina gynandromorph
Vol 4, Iss 1, Page 41
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Colias christina — Alexandra intergraduation (Cover illustration)
Vol 4, Iss 1, Page 42
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The moths (Macroheterocera) of a chaparral plant association in the Santa Monica mountains of southern California
Vol 4, Iss 1, Page 43
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Know Your Author - Noel McFarland
Vol 4, Iss 1, Page 74
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The life history of Amblyscirtes belli in Missouri
Vol 4, Iss 1, Page 75
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Identity of Heliosea celeris melicleptroides
Vol 4, Iss 1, Page 79
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Distribution and pattern of variation in Philotes rita
Vol 4, Iss 2, Page 81
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Three cases of gynandromorphism in Gonepteryx
Vol 4, Iss 2, Page 103
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Know your author - Yuri Pavlovich Nekrutenko
Vol 4, Iss 2, Page 108
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An annotated list of butterflies for Northwestern Ohio
Vol 4, Iss 2, Page 109
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Alaska refreshments
Vol 4, Iss 2, Page 113
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Parallel ecogenotypical color variation in butterflies (cover illustration)
Vol 4, Iss 2, Page 114
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Systematics and Zoogeography of the genus Phanus
Vol 4, Iss 2, Page 115
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Comments on the Genus Ceryonis Scudder, with figures of types (Satyridae)
Vol 4, Iss 2, Page 131
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Tertiary Nymphalid Butterflies and Some Phylogenetic Aspects of Systematic Lepidopterology
Vol 4, Iss 3, Page 149
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The Feeding of Coloring Matters to Pieris rapae larvae
Vol 4, Iss 3, Page 159
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Systematics and Life History of Saturnia ( Calosaturnia) albofasciata in California (Saturniidae)
Vol 4, Iss 3, Page 173
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The Noctuid moth Annaphila baueri with Notes on Its Habits
Vol 4, Iss 3, Page 185
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California Coastal Eupithecias with description of a new species (Geometridae)
Vol 4, Iss 3, Page 191
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A Reevaluation of Anna phila casta (Noctuidae)
Vol 4, Iss 3, Page 199
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The Generic, Specific and Lower Category Names of the Nearctic Butterflies Part 4-The Genus Euptoieta
Vol 4, Iss 3, Page 205
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New Canadian Species of Leaf-Mining Lepidoptera of Conifers
Vol 4, Iss 3, Page 209
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A Population Study of a hibernal Roosting Colony of the Monarch Butterfly (D.plexippus) in Northern California
Vol 4, Iss 4, Page 221
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The Little Known Species Luperina venosa
Vol 4, Iss 4, Page 227
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Callophrys (Mitoura) spinetorum and C. (M) johnsoni: Their known range, habits, variations, and History
Vol 4, Iss 4, Page 233
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Know Your Author - Richard M. Fox
Vol 4, Iss 4, Page 251
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Know Your Author - Erval J Newcomer
Vol 4, Iss 4, Page 252
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The Life Histories of Two Species of South African Eurema
Vol 4, Iss 4, Page 253
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A Review of the West Indian "Choranthus"
Vol 4, Iss 4, Page 259
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A New Species of basilodes from the Southwestern United States (Noctuidae)
Vol 4, Iss 4, Page 275
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Rediscovery and Redescription of the Moth Lithophane vanduzeei (Barnes)
Vol 4, Iss 4, Page 281
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The Rearing of Dirphiopsis Eumedide (Saturniidae)
Vol 4, Iss 4, Page 287