BY W. MACLEAY, JUN., ESQ. 277 



species. The elytra ai-e not broader than the thorax, and are 

 almost parallel-sided. They are covered with granules disposed 

 in pretty regular rows, and have each three rows of tubercles, the 

 middle row extending to the apex, which is minutely mucronate. 



h. Without subapical spines. 



11. — ACANTHOLOPHUS SUTURALIS. Schonh. 

 Amycterus suturalis, Schonh., Gen. et spec, Curcul., vol. VII., p. 72. 



" Oblongo-ellipticus niger brunneo-squamulosus, fronte ros- 

 troque impressis, rostro utrinqne trituberculato tuberculis 

 duobus basalibus connatis brevioribus spiniformibus, tho- 

 race dorso sei-iatim minus acute bifariam tuberculato lateribus 

 parum ampliato utrinquc cupreo-vittato tuberculo trispinoso 

 instructo, elytris remote granulatis trifariam breviter tuber- 

 culatis macula oblonga suturali lateribusque cupreo-squa- 

 mosis apice breviter mucronatis." Schonherr. 



Long. 9 lin., lat. 3| lin. 



Hab. Swan River. 



I find that Mr. Waterhouse states in a note to his paper on 

 Amycterus in the Transactions of the Entomological Society of 

 London, that A. lateralis has a single large humeral spine, whilst 

 A. suturalis has two or three very small spines on the humeral 

 angle of the elytra, I can find no such distinctive marks. There 

 are three species of this subsection of the genus Acantholoplms 

 from Swan River, in the collection of the late W. Sharp 

 MacLeay, Esq. One, undoubtedly A. suturalis, the present 

 species, has only one small tubercle at the humeral angle ; 

 another, as certainly, A. lateralis of Schonherr, has two small 

 tubercles at the same place ; while the third, a new species to 

 which I have given the name of A. Jmmeralis, has a large pointed 

 humeral spine. 



12. — ACANTHOLOPHUS LATERALIS. Schonh. 

 Amycterus lateralis, Schonh,, Gen., et Spec. Curcul., vol. VII., p. 75. 

 " Oblongo-ellipticus niger parce cinereo squamosus, fronte ros- 



