NEUROPTERA PERLIDAE (p. 398). AMPHIBIO- TICA ODONATA Anisopterides Gomphinae. (p. 409) Cordulegasterinae. Aeschninae. Corduliinae. Libellulinae. Zygopterides Calepteryginae. Agrioninae. EPHEMERIDAE (p. 429). NEUROPTERA SIALIDAE Sialides PLANIPENNIA (p. 444) Raphidiides. PANORPIDAE (p. 449). HEMEROBIIDAE Myrmeleonides (p. 454). (p. 453) Ascalaphides Holophthalmi. (p. 459) Schizophthalmi. Nemopterides (p. 462). Mantispides (p. 463). Hemerobiides Dilarina. (p. 465) Nymphidina. Osmylina. Hemerobiina. Chrysopides (p. 469). Coniopterygides (p. 471). TRICHOPTERA PHRYGANEIDAE Phryganeides (p. 480). (p. 473) Limnophilides (p. 481). Sericostomatides (p. 482). Leptocerides (p. 482). Hydropsychides (p. 482). Rhyacophilides (p. 483). Hydroptilides (p. 484). HYMENOPTERA HYMENOPTERA CEPHIDAE (p. 504). (p. 487) SESSILI- ORYSSIDAE (p. 506). VENTRES SIRICIDAE (p. 507). TENTHREDINIDAE (p. 510). HYMENOPTERA CYNIPIDAE (p. 523). PETIOLATA PROCTOTRYPIDAE (p. 533). (part) CHALCIDIDAE (p. 539). ICHNEUMONIDAE (p. 551). BRACONIDAE (p. 558). STEPHANIDAE (p. 561). MEGALYRIDAE (p. 562). EVANIIDAE (p. 562). PELECINIDAE (p. 563). TRIGONALIDAE (p. 564). (_To be continued in Vol. VI._) PERIPATUS BY ADAM SEDGWICK, M.A., F.R.S. Fellow of Trinity College, Cambridge. {3}CHAPTER I PERIPATUS