Front of the head yellow. Eyes brown, large, and joined close together. Thorax yellow, and beautifully marked with black stripes, both at top and on its sides; the former running parallel with it, the other obliquely. Abdomen yellow, the characteristic of the female; but in the other sex blue, with black joints. Legs black. Wings transparent, with a slender black spot near the tips of each; in the middle of each also is a rather large dark cloud placed on the anterior edge, and another at the base next the body. {119}CORDULEGASTER SABINA. Plate XLVIII. fig. 4. ORDER: Neuroptera. SECTION: Subulicornes. FAMILY: Libellulidæ, Leach. GENUS. CORDULEGASTER. _Leach_, _Steph._ Libellula p. _Drury_. CORDULEGASTER SABINA. Ænea, thorace nigro lineato; abdomine clavato nigro, flavo annulato, alis hyalinis stigmate minuto. (Expans. Alar. 3 unc. 3 lin.) SYN. Libellula Sabina, _Drury, App. vol._ 2. HABITAT: China, and the Island of Johanna, near Madagascar. Front of the head green. Eyes brown, large, and placed close together. Thorax green, with three black longitudinal stripes at top, and with several others running obliquely on its sides. Abdomen, next the thorax, large and green, with black transverse stripes, but of a sudden becomes very small and slender for about five-eighths of an inch; black, with yellow rings; afterwards it becomes broad near the extremity, where it is black, the apex being yellow. Legs black. Wings transparent, except a small slender spot near the tips of each on the anterior edges. LIBELLULA PULCHELLA. Plate XLVIII. fig. 5. ORDER: Neuroptera. SECTION: Subulicornes. FAMILY: Libellulidæ, _Leach_. GENUS. LIBELLULA, _Auct._ LIBELLULA PULCHELLA. Thorace villoso olivaceo, lineolis duabus sub alis, abdomine ([male]) coeruleo lateribus luteis; alis hyalinis maculâ baseos fasciâ mediâ apiceque fuscis. (Expans. Alar. 3 unc. 6 lin.) SYN. Libellula pulchella, _Drury, App. vol._ 2. (1773.) Libellula bifasciata, _Fabr. Ent. Syst._ 2. 374. (1793.) HABITAT: New York.