Frontmatter -- Systematic Index -- Section 2: Mesodermaptera sectio nova -- Superfamily 2: Carcinophoroidea STEINMANN -- Family 2: Carcinophoridae POPHAM -- Subfamily 1: Platylabiinae BURR -- Genus 1: Platylabia DOHRN -- Subfamily 2: Gonolabiinae POPHAM& BRINDLE -- Genus 2: Gonolabina VERHOEFF -- Genus 3: Anophthalmolabis BRINDLE -- Subfamily 4: Carcinophorinae HINCKS -- Genus 4 : Epilandex HEBARD -- Genus 5: Titanolabis BURR -- Genus 6: Capralabis BRINDLE -- Genus 7: Zacheria STEINMANN -- Genus 8: Thekalabis KAPOOR -- Genus 9: Indolabis gen. nov. -- Genus 10: Flexiolabis gen. nov. -- Genus 11: Paraflexiolabis gen. nov. -- Genus 12: Carcinophora SCUDDER -- Genus 13: Anisolabis FIEBER -- Genus 14: Foramenolabis STEINMANN -- Genus 15: Aborolabis SRIVASTAVA -- Genus 16: Ornatolabis gen. nov. -- Genus 17: Anisolabella ZACHER -- Genus 18: Heterolabis BORELLI -- Genus 19: Epilabis BURR -- Genus 20: Metalabis BURR -- Genus 21: Gonolabis BURR -- Genus 22: Euborellia BURR -- Subfamily 5: Brachylabiinae BURR -- Genus 23: Metisolabis BURR -- Genus 24: Ctenisolabis VERHOEFF -- Genus 25: Brachylabis DOHRN -- Subfamily 6: Isolabiinae STEINMANN -- Genus 26: Pterolabis gen. nov. -- Genus 27: Isolabis VERHOEFF -- Genus 28: Geracodes HEBARD -- Genus 29: Africolabis BRINDLE -- Subfamily 7: Antisolabiinae BRINDLE -- Genus 30: Antisolabis BURR -- Subfamily 8: Parisolabiinae VERHOEFF -- Genus 31: Parisolabis VERHOEFF -- Genus 32: Parisopsalis BURR -- Subfamily 9: Idolopsalinae STEINMANN -- Genus 33: Idolopsalis BORELLI -- Family 3: Labiduridae VERHOEFF -- Subfamily 1: Allostethinae BURR -- Genus 1: Gonolabidura ZACHER -- Genus 2: Allostethus VERHOEFF -- Genus 3: Allostethella ZACHER -- Subfamily 2: Nalinae STEINMANN -- Genus 4: Nala ZACHER -- Subfamily 3: Labidurinae BURR -- Genus 5: Tomopygia BURR -- Genus 6: Labidura LEACH -- Genus 7: Forcipula BOLIVAR -- Section 3: Paradermaptera VERHOEFF -- Superfamily 4: Apachyoidea STEINMANN -- Family 4: Apachyidae VERHOEFF -- Subfamily 1: Apachyinae BURR -- Genus 1: Dendroiketes BURR -- Genus 2: Apachyus AUDINET-SERVILLE -- Index