and Species of Longicorn Coleoptera. 103 



tensive genus, and to whom oriental Entomology is more parti- 

 cularly indebted. 



Penthea Saundersii. 



P. picea, rugoso-punctata, maculis llneisque albis ornata ; an- 

 tennis ciliatis griseo-annulatis ; corpore subtus pedibusque 

 pube albida tectis. Flumen Cygnorum. 



Pitchy black, roughly and irregularly punctured, with numerous 

 distinct variously-shaped markings, composed of whitish silky 

 hairs scattered over the upper surface ; on the head, a line on the 

 vertex and between the eyes, one round the orbit, and two oblong 

 patches on the cheek ; the anterior and posterior margins of the 

 prothorax with double lines, and in the centre an x shaped mark ; 

 on the elytra numerous spots more or less round, angular and 

 curved ; scutellum small, concave ; under surface and legs covered 

 with a dense whitish pile ; tarsi and antennas black, the latter 

 ciliated underneath, with the third to the seventh or eighth joints 

 grey at their base. 



Length 18 lines. 



The fine insect from which this description is made is in the 

 collection of VV. W. Saunders, Esq., and was taken by the botanist, 

 Drummond, in the interior of the Swan River colony. 



Monohammus h'llaris. 



M. niger ; prothorace lateribns verticeque flavo-vittatis ; elytris 

 cano-pubescentibus, gultis flavis aspersis ; antennis articulis 

 plurimis basi canis. China Borealis. 



Black, with spots and stripes of yellow hairs ; vertex sulcated 

 and striped longitudinally, a spot beneath the insertion of the 

 antennae and another on the cheek ; prothorax transversely corru- 

 gated, with a broad stripe on each side above the spine and two 

 oblong spots beneath it ; elytra truncate at the apex, with a grey- 

 ish pubescence, several small spots and a row of five larger ones 

 on the outer side of each ; antennae light grey, with the two first 

 and the apices of all the others black, except the last, which is 

 black only in the middle ; body beneath pubescent, with yellow 

 spots. 



Length 12 lines. 



M. punctulatus, West,, is very near this. 



Monoliamnms permutans. 

 M. olivaceo-aureus, pube velutino tectus ; prothorace angusto, 

 fortiter spinoso ; elytris sericeo-undulatis, certo situ visis 



