A New Species of Opithes From MexicoWith a Key to the Species(Coleoptera: Staphylinidae)

Lan Moore

Application of the Transmission ElectronMicroscope to the Examination ofSpider Exuviae and Silk

Rainer F. Foelix

Supplementary Studies on Ant Larvae: Teratomyrmex

George C. Wheeler,Jeanette Wheeler

Variations in Cleaning Between the Sexes ofSinella Coeca (Collembola: Entomobryidae)

Elizabeth S. Waldorf

Merope Tuber (Mecoptera):A Wing-Body Interlocking Mechanism

T. F. Hlavac

A New Genus of Primitive Meloidae From West Texas (Coleoptera)

Floyed G. Werner

Modification of the Intersegmental Region in the Pterothorax of Cryphocricos (Heteroptera: Naucoridae)

Margaret C. Parsons

Home Ranges ofMale Cerceris Simplex Macrosticta(Hymenoptera, Sphecidae)

John Alcock,George Gamboa

Notes on Necrophoric Behavior in theArchaic Ant Myrmecia Vindex(Formicidae: Myrmeciinae)

Caryl P. Haskins,Edna F. Haskins

Host-Plant Utilization by Pieris NapiPopulations in California(Lepidoptera Pieridae)

History of the Cambridge Entomological Club

Janice R. Matthews

Body, Web-Building and Feeding Characteristics of Males of theSpider Araineus DlademaTus (Araneae: Araneidae)

Raymond Ramousse

Annotations on Two Species of Linyphiid Spiders Described by theLate Wilton Ivie

P. J. Van Helsdingen

The Evolution of Cryptic Postures in Insects, With SpecialReference to Some New Guinea Tettigoniids (Orthoptera)

Michael H. Robinson

Generic Diversity in Phase of Rhythm in Formicine Ants

E. S. McCluskey

New Species, Records, and Synonyms of Chilean Theridiid Spiders(Araneae, Theridiidae)

Walter C. Sedgwick

Supplementary Studies on Ant Larvae: Cerapachyinae,Pseudomyrmecinae and Myrmicinae

George C. Wheeler,Jeanette Wheeler

Growth of the Orb Weaver, Araneus Diadematus, and Correlation WithWeb Measurements

Jay Benforado,Kent H. Kistler

The Cockroach Genus Calolampra of Australia With Descriptions ofNew Species (Blaberidae)

Louis M. Roth,Karl Princis

Cretaceous Aculeate Wasps From Taimyr, Siberia (Hymenoptera)

Howard E. Evans

Ant Larvae of Four Tribes: Second Supplement (Hymenoptera:Formicidae: Myrmicinae)

George C. Wheeler,Jeanette Wheeler

The Larva and Pupa of Carpelimus Debilis Casey (Coleoptera:Staphylinidae)

Ian Moore,E. F. Legner

Patterns of Abdominal Fusions in Male Boreus (Mecoptera)

Studies on Neotropical Pompilidae (Hymenoptera). IX. the Genera ofAuplopodini

Howard E. Evans

Notes on the Life Cycle and Natural History of Parides ArcasMylotes (Papilionidae) in Costa Rican Premontane Wet Forest

Allen M. Young

The Utilization of Various Asclepias Species by Larvae of theMonarch Butterfly, Danaus Plexippus

James M. Erickson

Speocolpodes, a New Genus of Troglobitic Beetles From Guatemala(Coleoptera:Carabidae)

Thomas C. Barr

A New Species of Anacis From Northwest Argentina (Hymenoptera,Ichneumonidae)

Charles C. Porter

The Hundredth Anniversary of the Cambridge Entomological Club

The Male Genitalia of Blattaria. X. Blaberidae. Pycnoscelus,Stilpnoblatta, Proscratea (Pycnoscelinae), and Diploptera(Diplopterinae)

Louis M. Roth

Copulatory Pattern Supports Generic Placement of Schizocosii Avida(Walckenaer) (Araneae: Lycosidae)

Jerome S. Rovner

The Stabilimenta of Nephila Clavipes and the Origins ofStabilimentum-Building in Araneids

Michael H. Robinson,Barbara C. Robinson

The Mating Behavior of Brochymen Quadrapustulata (Fabricius)

George Gamboa,John Alcock

Latitudinal Gradients in Larval Feeding Specialization of theWorld Papilionidae (Lepidoptera)

J. Mark Scriber

The Male Genitalia of Blattaria. Xl. Perisphaeriinae

Louis M. Roth

Correlation Between Segment Length and Spine Counts in Two SpiderSpecies of Araneus (Araneae: Araneidae)

L. David Carmichael

Notes on Heteroonops and Triaeris (Araneae; Oonopidae)

Arthur M. Chickering

The Milliped Family Rhiscosomididae (Diplopoda: Chordeumida:Striarioidea)

William A. Shear

Paramuzoa (Nyctiborinae), a New Cockroach Genus PreviouslyConfused With Parasphaeria (Epilamprinae)

Louis M. Roth

A New Argentine Species of Coccygomimus(Hymenoptera, Ichneumonidae)

Charles C. Porter

On the Life Cycle and Natural History ofHymenitis Nero (Lepidoptera: Ithomiinae)in Costa Rica

Allen M. Young

Some Remarks on the Family Jascopidae(Homoptera, Auchenorrhyncha)

J. W. Evans

Trail Following and its Development inthe Neotropical Army Ant Genus Eciton(Hymenoptera: Formicidae: Dorylinae)

Howard Topoff,Katherine Lawson,Patricia Richards

The Genus Priotomis in Argentina(Hymenoptera, Ichneumonidae)

Charles C. Porter

Asketogenys Acubecca,a New Genus and Species of Dacetine AntsFrom Malaya (Hymenoptera: Formicidae)

William L. Brown

A New Species of Querbetia(Diptera: Tabanidae) From Peru

G. B. Fairchild

The Affinities of Eomerope andDinopanorpa (Mecoptera)

F. M. Carpenter

Chromosome Number Polymorphism inthe Sawfly Janus Integer (Hymenoptera, Cephidae)

R. H. Crozier,E. F. Taschenberg

A Review of Nesting Behavior in theGenus Entomognathus, With Notes onE. Memorialis Banks (Hymenoptera: Sphecidae)

Richard C. Miller,Frank E. Kurczewski

Deciduous Wings in Crickets:a New Basis for Wing Dimorphism

T. J. Walker