Body exceedingly thin and flat in proportion to its breadth. Head triangular. Antennæ about one-fourth the length of the insect; the extremities being a little thicker than the other parts. Eyes small and round. Rostrum extending to the middle of the abdomen. All the parts exhibited in the plate are of a sandy olive colour, and serve as a shield or covering to the thorax, abdomen, legs, &c. which are hid beneath it. Scutellum large and triangular. Hemelytra entirely opaque and small, not covering the abdomen by a considerable space. Wings membranous. Legs smooth and dappled. SCOLIA FLAVIFRONS? Plate XL. fig. 3. ORDER: Hymenoptera. SECTION: Fossores. FAMILY: Scoliidæ. GENUS. SCOLIA, _Fabr. Latr. &c._ SCOLIA FLAVIFRONS? Atra, fronte flavâ, abdomine maculis quatuor flavis. (Long. Corp. fere 2 unc.) SYN. Scolia flavifrons, _Fabr. Syst. Piez._ 229. _No._ 5. Sphex maculata, _Drury, App. vol._ 2. HABITAT: Coast of the Morea. {87}Head brown orange-coloured. Eyes oblong and dark brown. Antennæ thickest towards their extremities. Ocelli distinct. Mouth black, furnished with two jaws, but having neither tongue nor palpi. Thorax black, with a brown orange spot on the top, and two others next the head. Abdomen black and hairy; the second and third segments having two orange spots on them; the fourth, fifth, and sixth being ringed with orange. Under side black, with some orange hairs near the anus. Wings plain and flat, not folded, of a yellowish colour, and almost diaphanous. Legs black and hairy. Tarsi and articulations furnished with strong hairs and spines, which entirely surround them. PELECINUS POLITURATOR. Plate XL. fig. 4. ORDER: Hymenoptera. SECTION: Pupivora. FAMILY: Evaniidæ? GENUS. PELECINUS, _Fabr. Latr._ Ichneumon, _Drury_. PELECINUS POLITURATOR. Niger, antennis annulo medio albo, tibiis posticis sericeo-dilatatis. (Long. Corp. 2 unc. 6 lin.) SYN. Ichneumon Polyturator (errore pro politurator), _Drury, App. vol._ 2. Pelecinus Polycerator, _Fabr. Syst. Piez._ 111. 1. _Say American Entomology, vol._ 1. _pl._ XV. HABITAT: Jamaica (_Drury_). "Not uncommon in various parts of the United States" (_Say_). India (_Fabricius_, incorrectly). Head small and black. Eyes oblong and dark brown. Antennæ black and filiform, having two yellow spots on them near their extremities. Ocelli distinct. Mouth with two jaws, but no tongue, and furnished with four palpi, two of which are long, slender, and filiform; the others are very short. Thorax black like pitch, and shining, as if finely polished; as is every part of the insect. Abdomen exceeding long and black, consisting of six articulations; the last being very short and pointed. Legs small and black; the hinder tibiæ being remarkably thick and strong in proportion to the other parts.