92 

 parts of the river and the dry land of a quarter or half a mile deep. The mountains and 

 the woods also echo with them all the night long, and the full concert is very distinctly 

 heard on board the ships, during a calm night, as they lie at their usual anchorages in the 

 bays and creeks on the sea coasts, 



LOCUSTA (RUTIDODERES) DUX. 



Plate XLIV. 



Order : Orthoptera. Section : Saltatoiia. Family : Gryllidoe (Locustaires, Latr. Sfc.) 



Genus. Locusta. Grylliis (Locusta), Linn. Aerydiiim, Latr. Subgenus: Rutkloderes, Westio. 



LocusTA (Rutidoderes) Dux. Thorace carinato scabro; elytris viridibus, ulis rufis fusco-niaculatis. 

 (E.xpans. 7 unc. 9 lin.) 



Syn. Gryllus dux, Drury, App. vol. 2. Oliv. Encycl. Meth. No. t. (Aciydiura D.) Fabr. Ent. Syst. i. 47. 4. 

 Serville Revis. Orthopt. 9'2. 



Habitat: Bay of Honduras (13r«rt/). Bi-azil (SeryiHe^. 



Head dusky yellowish olive. P^yes prominent. Antennse black, and of equal thickness throughout ; 

 consisting of twenty-seven articulations, being a little longer than the thorax, which is of a dusky olive, 

 and ending upwards in a sharp ridge, which is dentated and uneven. Tegmina dusky green, with a 

 great many faint dark spots on them. Wings red, and edged with black ; having a great number of 

 dark spots on them of diflPerent shapes and sizes, many of which appear like beards of arrows. Abdomen 

 large and green. Thighs reddish brown, chequered with white. Legs the same, the spines being 

 black. 



LIBELLULA LUCIA. 



Plate .\LV. fig. 1. 



Order : Neuroptera. Section: Subulicornes. Family: Libellulidse, ieacA. 



Genus. Libellula, Auct. 



Libellula Lucia. Thorace olivaceo lineis duabus lateralibus apieeque flavis, alls hyalino-subflavis, strigca sub- 

 costal! maculaque versus basin fasciilque triangular! media fuscis, stigmate albo, nigro temiiiiato. 

 (Expans. Alar. 2 imc.) 



Syn. Libellula Lucia, Drury, App. vol. 2. 



Libellula variegata, Fubr. Ent. Syst. 2. 382.40. (nee Li?m. Syst. Nat. 904. 18. ex ludiis.) Pal. Beanc. 

 Ins. d'Afr. et d'Amer. Neur. pi. ^.fifj. 4. 



Habitat ; Sierra Leone. 



Front of the head green. Eyes contiguous. Thorax dark green ; being striped obliquely on the 

 sides with two yellow streaks, and another on the top. Abdomen yellowish green, with two dark stripes 

 running longitudinally on the sides. Legs dark green. Wings transparent, with a slender white streak 

 near the tips of each, and a small black spot joining thereto, which are placed on the anterior edges ; 

 from the small edges, near the middle of each wing, a small dark cloud arises that crosses the wings, 

 those of the superior running lowest. Near the body another small cloud is placed, being largest and 

 strongest in the superior wings ; the fore part of which is embellished with two slender black streaks 

 running parallel, and near to the anterior edges. 



