HYMENOPTERA (_continued from Vol. V_). PETIOLATA. (_continued from Vol. V_). TUBULIFERA (p. 1) CHRYSIDIDAE (p. 1). ACULEATA (p. 4) _ANTHOPHILA_ (p. 10) APIDAE (p. 10) Archiapides (p. 21). Obtusilingues (p. 22). Andrenides (p. 23). Denudatae (p. 29). Scopulipedes (p. 32). Dasygastres (p. 35). Sociales (p. 53). _DIPLOPTERA_ (p. 71) EUMENIDAE (p. 72). VESPIDAE (p. 78). MASARIDAE (p. 88). _FOSSORES_ (p. 90) SCOLIIDAE (p. 94) Mutillides (p. 94). Thynnides (p. 96). Scoliides (p. 97). Sapygides (p. 99). Rhopalosomides (p. 100). POMPILIDAE (p. 101). SPHEGIDAE (p. 107) Sphegides (p. 107). Ampulicides (p. 114). Larrides (p. 116). Trypoxylonides (p. 118). Astatides (p. 119). Bembecides (p. 119). Nyssonides (p. 123). Philanthides (p. 124). Mimesides (p. 127). Crabronides (p. 128). _HETEROGYNA_ (p. 131) FORMICIDAE (p. 131) Camponotides (p. 144). Dolichoderides (p. 157). Myrmicides (p. 158) Myrmicini (p. 159). Attini (p. 165). Pseudomyrmini (p. 168). Cryptocerini (p. 169). Ponerides (p. 170). Dorylides (p. 174) Ecitonini (p. 175). Dorylini (p. 177). Amblyoponides (p. 180). Order. Sub-Order, Family. Sub-Family or Division, Tribe. or Series.