415 



AUSTKALIAN CICAI)II)/fi 

 YVÏTH REMARKS ON SOME RECENT DISPUTATION 



by II. -■>. I>i»i»iii 



Fain. CICADIDiE 



Thopha nigricans sp. n. Head, pronotum, mesonotum, 

 sternum and legs black or piceous; abdomen, tympana, and oper- 

 cula testaceous; teginina and wings subbyaline, Laïc like, the veiia- 

 tion dark ochraeeous, basai cell brownish-ochraceous witli a smal-l 

 hyaline spot atits lower extremity and wilh ils upper margin black : 

 hase of head between the eyes aboul ihree timesas broad as medial 

 length of vertex, eyes stronglj pedunculate, eonsiderably passing 

 Ihe anterior pronotal angles, anterior margins of vertex before fronl 

 distinctly ridged, and diverging strong ridges between the ocelli ; 

 pronotum wilh four central longitudinal carinalions on ils anterior 

 area, the posterior margin strongly transverseh striate; latéral mar- 

 gins of the pro- and mesonota, interior areas of the basai crûciform 

 élévation and the posterior margins of the metanotum ochraceouslj 

 pilose; tympana very large and testaceously opaque; abdomen mue h 

 shorter than expanse of tympana, above a little more than half their 

 expanse, beneath aboul two thirds of their expanse; apical segmenl 

 of abdomen above cretaceously to'mentose. 



Long. /excl. tegm. 42 mill. Exp. tegm. 128 mill. 



Ilah. : North Queensiand (Kelsall. - Brit. Mus. i. 



Allied to T. sessiliba Dist. b\ Ihe strongly pedunculated eyes, bul 

 differing from thaï species by the shorter and broader abdomen. 

 Ihe more concavely sinuate posterior margin of the metasternum, 

 and the black head and thorax, etc 



NEOPSALTODA gen. nov. 



Head including eyes much broader than base of mesonotum, 

 medial length about half the breadth between eyes, front prdminent, 

 at somewhat right angles wilh the latéral margins of the vertex 

 vvhich are straightly oblique: eyes somewhal large and prominent, 

 extending beyond the anterior angles of the pronotum; pronotum 

 with the medial length aboul half as long as breadth al base, the 

 anterior margin arcuate Unis narrowing towards latéral margins 

 which are rounded, posterior margin subtruncate; mesonotum 

 including crûciform élévation nearh as long as broad; abdonp-n 



