616 CATALOGUE OF 



defined keels ; inner keels parallel ; outer keels diverjting towards the 

 face. Eyes ferruginous, elliptical. Prothorax finely scabrous, with a slifibl 

 keel which is not rounded and is hardly interrupted by the transverse 

 impressed lines; fore border almost straight; sides slifjhtly rounded ; hind 

 border more rounded. Prosternal spine thick, oblique, obtuse, extending 

 almost to the fore border of the mesosternum. Hind femora nearly as long 

 as the abdouien, with two black spots on the inner side; hind til)iaB shorter 

 than the hind femora, their spines with black tips. Fore wings cinereous, 

 a little shorter than the body, with a blackish discoidal antemedial streak ; 

 transverse sectors mostly ijlackish. Hind wings pale cinereous; veins 

 black. Length of the body 15 lines ; expansion of the fore wings 

 28 lines. 



a. Norih Australia. Presented by J. R. Elsey, Esq. 



Cyrtacanthaceis nanula. 



Foem. Ftilva, gracilis; prothorax subcarinatus, subti/.issime scaber ; 

 prosterni spina obliqua, sat gracilis^ mesoslernum altingens ; femora 

 postica nigro utrinque bimaculata ; alcB antica, pallide cinereu^ cor- 

 pora lix breviores, striga discoidaii antemedia maculari liturisque 

 pliiriinis parvis nigris. 



Female. Tawny, slender, paler beneath. Head smooth ; vertex 

 narrow between ibe eyes, its lip subhexagonal ; front punctured, with four 

 strongly-marked keels; inner keels parallel; outer keels diverging much 

 towards the face. Eyes piceous, tessellated, elongate-elliptical. Prothorax 

 very finely scabrous, with a slight keel which is not rounded and is hardly 

 interrupted by the slight transverse impressed lines; fore border almost 

 straight; sides slightly rounded ; hind border more rounded. Prosternal 

 spine obli(iue, rather slender, extending to the fore border of the meso- 

 sternum. Hind femora as long as the abdomen, with two oblique black 

 spots on each side; hind tibiae a little shorter than the hind femora, their 

 spines with black tips. Fore wings pale cinereous, nearly as long as the 

 body, with a discoidal antemedial streak of elongated black spots and with 

 many minute black marks which adjoin the transverse sectors. Hind 

 wings pale cinereous ; veins black. Length of the body 10^ lines; expan- 

 sion of the fore wings 2'2^ lines. 



a. Victoria River, N. Australia. Presented by J. R. Elsey, Esq. 



Cyrtacanthackis imitatrix. 

 Foem. Fulva, sat gracilis ; caput et prothorax nigro interriipte bivittata ; 

 prothorax subcarinatus, snbtiiiter scaber, vittis duabus exterioribus 

 nigris valde abbreviatis, plagis duabus adhuc exterioribus pallidis 

 qtiadrulis ; prosterni spina robusta, obliqua, subarcuata, mesosternum 

 fere attiuyens ; tibiie postica testaceie ; aim antica; pallide cinerea, 

 corpure paullo breviores, plagis antemediis magnis maculisque post- 

 mediis e venis nigris. 



Female, Tawny, rather slender. Head and prothorax with two 

 slender interrupted black stripes. Head smooth ; fore part of the vertex 

 depressed, hexagonal; front largely punctured, with four well-defined 

 keels; inner keels parallel ; outer pair diverging slightly towards the face. 



