75 

 Head black, with a large yellowish spot between the eyes. Antenme black, and almost the length 

 of the insect, having a row of short hairs running along the under side. Thorax black beneath, lemon- 

 coloured above, with three black spots. Scutellum small, triangular, and black. Elytra black, with 

 two broad straw-coloured bars crossing them, each having a spine at the extremity near the suture. 

 Beneath black, except the middle of the abdominal rings, which is grey. 



PRONUS (TITANUS) GIGANTEUS. 



Plate XLIX. fig. 1. 



Order: Coleoptera. Section; Longiconies. Family: Prionirlae. 



Genus. Prionus, Geoffroy. Cerambyx p., Linn. (Subgenus: Titamis, Sen-. Ann. Soe. Ent. France, 

 1 . p. 133. 



Prionus (Titanus) Giganteus. Tlioi-ace utrinquc bidentato, corporo iiigro, elyti-is ferrugiiieis, autennis 

 brevibus. (Long. Corp. 6 unc. 9 liu.) 



Syn. Cerambyx Giganteus, Linn. Mant. 1. 531. Shaw Nat. Misc. t. 280. Fubr. Syst. El. 2. 261. 17. 

 (Prionus g.) Oliv. Ent. 4. 66. p. 12. t. 6./. 21. 



Habitat : Cayenne. 



Head and thorax black ; all the rest of the insect dark brown. Jaws broad and thin, the extremities 

 bending inwards towards each other. Antennae thickest at their base, and about half the lengtli of 

 the insect, gradually diminishing in size to the extremities. Thorax smooth and rounded at top, the 

 middle appearing as if polished ; the sides rough, like shagreen, and armed with two short and pointed 

 spines, like horns; it is also margined. Scutellum small and bell-shaped. Elytra deeply margined on 

 their sides and suture ; faintly ribbed, each having* five placed longitudinally, the surface very rough. 

 Sides of the abdomen covered beneath with a dark brown velvety pile. Legs with short strong tibial 

 spurs. 



HEILIPUS? SCALARIS. 



Plate .XLIX. fig. 2. 



Order : Coleoptera. Section : Ehyncophora. Fa.mily : Curculionidae. 



Genus. Heilipus? Go-mar. 



Heilipus? Scalaris. Niger; thoracis lateribus et elytrorum disco irregulariter flavescentibus. (Long. Corp. 

 1 unc. IJ lin.) 



Syn. Curculio scalaris, Drury, App. vol. 3. 



Habitat : Bay of Honduras. 



Head, eyes, and rostrum black, slender, and nearly half the length of the insect ; antennae arising 

 near the end of it. Thorax black, with a yellow streak running along each side from the eyes to the 

 corners of the elytra. Scutellum small, black, triangular. Elytra black, with a yellow zigzag streak 

 running along the sides, all the black part being full of small punctures. Beneath entirely black. 



L 2 



