Mr. E. Newman on Australasian Longicorns. 15 



Sp. 1 . S. glahricollis. Piceus, prothorax glaberrimus : elytra profunde puncta, 

 punctis humeralibus rarioribus, discoidalibus majoribus, apicalibus cre- 

 brioribus. Corp. long. 1-5 unc, lat. -66 line. 

 Exemp. unic. in Mus. D. Children. 

 Habitat. Insula Van Diemen. 

 Sp. 2. S. pilosicollis. 



Prionus pilosicollis, Hope, Trans. Ent. Soc. torn. i. p. 16. 



Exemp. unic. in Mus. Soc. Ent. 



" Habitat. Nova Hollandia apud Swan River." 



Genus. Toxeutes, Newman. 

 Mallodonis fere fades : prothorax utrinque spinis recurvis, lateralibus, 



acutissimis armatus ; spina antica ad marginem anticum sita, 



valde arcuata ; spina 2^* mediana minus arcuata : tibiae inermes. 

 Sp. 1. T. arcuatus. 



Prionus arcuatus, Fabricius, Syst. Eleu. torn. ii. p. 259. 



Exemp. In Mus. Brit, &c. 



Habitat. Insula Van Diemen. 



Genus. Mallodon, Serville. 

 Sp. M. stigmosum. Piceum : prothorax parallelipipedus, marginibus late- 

 ralibus crenatis, angulis posticis acutis, disco minutissime puncto, ob- 

 scuro, spatiis 2 glabris fere trigonis exceptis : elytra rugosa : abdominis 

 segmenta stigraate magno utrinque impressa. Corp. long. 1*5 unc, 

 lat. "6 unc. 

 Exemp. unic. in Mus. D. Children. 

 Habitat. Nova Hollandia. 



Genus. Dorx, Newman. 

 Dorci facies ; caput porrectum, medio longitudinaliter sulcatum, 

 mandibulse validse, extus et intus arcuatse, apice bidentatse, intus 

 inermes : labi- et maxipalpi elongati, longitudine fere sequales, arti- 

 culo apicali incrassato ; antennae corporis dimidio longiores, 11-ar- 

 ticulatae, articulus 2"^ brevissimus, ceteri subaequales, compressae 

 oculos haud attingentes ; prothorax longitudine pauUo latior ; 

 margo anticus postico latior ; margines laterales pauUo sinuatae ; 

 elytra linearia, prothorace pauUo angustiora, disco convexo, apice 

 rotundata : tibiae angulares, pedetentim incrassatae, apice spinis 2 

 acutis, halteribus 2 obtusis armatae : tarsi manifesto 5-articulati: 

 articulus 4"® brevis at satis notabilis. 



me free access, and from some others in the British Museum. These hasty 

 notes will, I trust, not merely serve to secure me priority in nomenclature, 

 but will, on account of the extreme singularity of some of the forms described, 

 afford considerable interest to our scientific entomologists. 



