1848.] Linnemi Society. 359 



ceptis) subleevibus hujus marginibus lateralibus pedibusque rufis vel 



fulvis, clypeo in dentem acutum elongate, pronoto dente elevate bifido 



pone medium armato. — Long. corp. lin. lOi. 

 Athyreus bifurcatus, Laporte, An. Art. iii. p. 102. pi. 7. f. 3. {nee A. bi- 



furcatus, King, nee A. bifurcatus, MacL.) 

 Athyreus furcifer, Dej. Cat. et Laporte, An. Art. 1. c. (teste Miis. Gory.) 

 Hah. in Brasilia et Cayenna. In Mus. D. Hope. 



The present species stands in Mr. Hope's collection as the male 

 of A. Bilbergii. 



7. Athyreus Bilbergii, Gray in Griffith An. Kingd. ; piceo-niger, tu- 

 berculis minutis scaber, clypei margine antico recto postico carinato 

 et 3-tuberculato tubei-culo intermedio magis elevate, angulis laterali- 

 bus capitis ante oculos acutis, pronoto margine antico pariim elevate ; 

 disco tuberculis duobus laevibus lineisque duabus curvatis elevatis. — 

 Long. Corp. lin. 10. 



Athyreus furcicollis, Dej. {teste Mus. Gory, nunc Hope.) 

 Hob. in Demerar^ et Cayenna. In Mus. D. Hope. 



8. Athyreus Pholas, Buquet MS.; piceo-castaneus, lateribus protho- 

 racis et elytrorum pedibusque rufescentibus, scabriusculus, clypeo an- 

 tice angustato margine antico bituberculato, vertice concavo, protho- 

 racis lateribus dilatatis disco excavatione subquadrata spina erecta 

 antica lateribusque acute tuberculatis. — Long. corp. lin. 6. 



Athyreus trituberculatus. Gory in Mus. 

 Hab. in Colombia, Santa Fe de Bogota. In Mus. Hope. 

 Obs. Athyreus recticornis, Guerin, Iconogr. du Regne An. Ins. p. 83, 

 from Swan River (Mus. Goxy)-=Bolboceras hastifer, Bainbridge. 



The insect placed in M. Gory's collection, with the label of 

 Athyreus porcatus, De Laporte, Anim. Artie, t. ii. p. 103. no. 6, 

 Athyreus Senegalensis, Dejean, is a new species of Bolboceras, from 

 Senegal. 



9. Athyreus purpureipennis ; cyaneo-niger subtiis fulvo-testaceus, ely- 

 tris Isete purpureis, pronoto linea longitudinali impressa utrinque spa- 

 tio conve.\o laevissimo nigro versus angulos anticos furcato.. — Long, 

 corp. lin. 6. 



Hab. in America meridionali. In Musseo Britannico. 



10. Athyrevs centralis; testaceo-fulvus, capitis vertice antice 3- 

 dentato, pronoto carina abbreviata centrali lineis duabus parum ele- 

 vatis obliquis alteraque utrinque prope angulos posticos, elytris iin- 

 presso-striatis striis longe ante apicem evanescentibus. — Long. corp. 

 lin. 61.. 



Hab. in Nova Grenada, Rio Magdalena, Ibaque. In Musaso Britannico. 



11. Athyreus Tweedyanus; testaceus, pronoto maximo lateribus obtuse 

 angulatis et sinuatis medio disci depresso Isevi et line^ obliqu& parum 



