592 CATALOGUE OF 



53. ACEIDIUM TRANSIENS. 



Fcem. Fulvum ; vertex antice planus, hexagonalis ; prothorax sub- 

 carinatus, margine postico rotundato subexfenso ; proslerni spina 

 pallide testacea, subcompressa ; femora postica pallide cinerea, corpore 

 breviora, macuiis plurimis indeterminatis cinereis ; alee posticaj 

 fumoso-cinerece, nigro venoste. 



Female. Tawny. Head smooth ; fore part of the vertex flat, hexa- 

 gonal ; front with four keels, the outer pair more divergent towards the 

 face than the inner pair. Eyes elliptical. Prothorax scabrous, wiih a 

 slight keel, and with the usual four transverse impressed lines ; fore border 

 and hind border rounded, the latter slightly elongated; sides slightly 

 rounded. Prosternal spine pale testaceous, slightly compressed. Hind 

 femora shorter than the abdomen, longer than the hind tibiae; the latter 

 with black-tipped spines. Fore wings pale cinereous, rather shorter than 

 the body, with many indistinct cinereous spots; veins tawny. Hind winjjs 

 dusky cinereous, hyaline ; veins black, pale testaceous towards the base. 

 Length of the body 37 lines ; expansion of the fore wings 46 lines. 



a. Celebes. From Madame Ida Pfeiffer's collection. 



Australia. 



54. ACRIDIUM MACULOSUM. 



maculosum, Stal, Eug. Rasa, 328. 

 Australia. 



55. ACRIDIUM PYBKHOCNEMIS. 

 pyrrhocnemis, Slal, Eug. Resa, 329. 



Sydney. 



56. ACRIDIUM TUBERCULATUM. 



Mas. Testaceum ; caput et prothorax tuberculata, nigro late univitlata ; 

 vertex antice depressus, pentagonalis ; frons nigro notata; prothorax 

 nigro late quinque vittatus, carina incisa valde determinata ; pro- 

 sterni spina sat robusta ; alie anticce cinerece, corpori (tquilongce, 

 macuiis plurimis obscurioribus nigro-venosis ; alee postica nigro 

 venosce. 



Male. Testaceous. Head and prothorax tuberculate, with a broad 

 black stripe. Fore part of the vertex depressed, pentagonal; front slightly 

 black-marked, with four well-defined keels which diverge towards the face. 

 Eyes tawny, elliptical, slightly striped with brown. Prolhorax with five 

 broad black stripes and with a very conspicuous keel which is deeply 

 notched where it is traversed by the impressed lines ; fore border and sides 

 slightly rounded; hind border elongated and rounded, Prosternal spine 

 rather stout. Hind femora almost as long as the abdomen, rather longer 

 than the hind tibiae; spines of the latter long, black towards the tips. 

 Fore wings cinereous, as long as the body, with numerous darker black- 



