3 
Prof. Westwood also read the following descriptions of two anomalous Carabideous 
beetles :-— 
Genus De tinius, Westw. 
Genus novum Carabidorum, Steropi madidi habitu et statura. Antenne breves, 
graciles, geniculate, articulo basali tertiam partem occupante. Caput me- 
diocriter porrectum, labro in medio marginis antici prominenti. Mandibule 
graciles, acute, intus edentate. Maxille spina rigida apicali lobo interno, 
spinulisque margine interno armate. Palpi maxillares externi articulo api- 
cali mediocre subsecuriformi. Palpi labiales magni, articulo ultimo magno 
securiformi. Mentum in medio emarginature porrectum, truncatum. Pro- 
thorax subquadratus, lateribus rotundato-curvatis. Elytra ovalia. Tibie 
antice haud palmate, margine interno emarginatz. 
Sp. 1. D. Esstnerontl, n. sp. 
Niger, subnitidus ; capite sulcis duobus inter antennas, pronoto sulcu medio in 
fossula parva ovali ante marginem posticum terminato, sulcisque duobus 
prope angulos posticos notato ; elytris striatis, costaque submarginali proditis. 
Long. corp. lin. 8. 
Habitat Port Essington, in Australia. In Mus. Hopeiano Oxoniz. 
Genus Spanus, Westw. 
Genus novum Carabidorum, statura et habitu Miscodere ; Axinidio et Dispherico 
affine. Caput parvum, porrectum. Prothorax globosus. Elytra ovalia, gib- 
bosa, basi pedunculata. Labrum breve, profunde emarginatum, Mandibule 
apice acute, dente parvo subapicali marginis interni armate. Maxille lobo 
interno elongato, apice obtuso, longe ciliato. Palpi externi maxillares et 
labiales longi, fere equales, articulo ultimo maximo, inflato, apice truncato. 
Mentum late emarginatum, margine antico incisure recto. Labium parvum, 
subtriangulare ; paraglosse elongate, tenuissime, setose. Tibie antice haud 
palmate, intus pone medium emarginate. Tarsi quatuor antici articulis 
quatuor basalibus brevibus, latis, subcordatis. 
Sp. 1. S. Nararicus, n. sp. 
Niger, glaberrimus; ore, antennis et pedibus piceo-rufis; capitis vertice oblique 
bi-suleato; pronoto sulco tenui mediano impresso; elytris stria profunda 
prope suturam, alteraque marginali, puncto prope basin, alteroque subapicali 
singulatim impressis. 
Long. corp. lin. 33. 
Habitat in Natalia. D. Guienzius. In Mus. Hopeiano Oxonie. 
Mr. Waterhouse exhibited a specimen of Psammodius porcicollis and a specimen 
of Onthophilus exaratus, and read the following notes respecting them :— 
“The specimen of Psammodius porcicollis 1 found mixed, in Kirby’s British col- 
lection, with the Psammodius sulcicollis, which it greatly resembles ; the specimen of 
Onthophilus exaratus I have had for many years in my own British collection, where 
it stood with a specimen of Onthophilus sulcatus, and was supposed to be the same 
species ; the two insects in all probability having never been compared till within the 
