158 



CATALOGUE OF ORTHOPTEROUS INSECTS. 



the carina strongly raised towards the hase, forming a large 

 obtuse lobe ; the reticulation is indistinct. The wings are 

 large and brown, with very numerous, narrow, transverse, 

 irregular, white undulating fascise, most distinct towards 

 the anal margin ; the apex of the wing and the portion of 

 membrane between the two areas white ; costal area green, 

 with the base darker ; the median vein furcate. The meta- 

 notum and abdomen are black ; the latter with wide lu- 

 teous fasciee occupying the bases of the segments ; the two 

 terminal segments are very convex ; the operculum scarcely 

 swollen, extending to about the middle of the ninth dorsal 

 segment; anal styles porrected and obtuse. The under 

 side of the body and legs are luteo-fuscous ; the latter are 

 setose and simple, short and slender, with the basal joint of 

 the tarsi short. 



Plate XXXVIII. Fig. 3. The female, of the natural size. 

 3 tt. The head and front of the tliorax seen sideways. 3 b. 

 The terminal segments of the abdomen seen sideways. 



80. (413.) Necroscia biguttata. 



Olivaceo-viridis, articulationibus corporis incarnatis ; ely- 

 tris gutta basali alba, alarum area antica nigro punctata, 

 postica infuscata (mas). 



Long. Corp. maris, liu. 23 ; cap. lin. 1 ; antcn. lin. 21 ; 

 jiroth. lin. 1 ; mesoth. hn. 3 ; metath. lin. 3^ ; abdom. 

 liu. 11 + lin. 2i = lin. 13^; tegm. lin. 2 ; alar, expans. 

 unc. 2^. 



Phasma biguttatum, Burmeistei; JJandh. d. Ent. ii. 586. 

 Phasma (Necroscia) biguttatum, De Haan, Orth. Orient. 



p. 118. 



Hab. In Borneo. In Mus. Berol. 



The typical specimen of this species (which is allied to 

 A'. Sangarius), described by Burmeister, is in the Berlin 

 Museum. It is a male. The head is short and very gib- 

 bose ; the antennse long, with six white fasciae ; the meso- 

 thorax has two small whitish spots in the middle ; the 

 terminal segments of the body are considerably dilated. 



81. (414.) Necroscia gularis. 



Mesothorace breviore, duplicem longitudiuem protho- 

 racis Eequaute ; ocellis uuUis ; thorace et tegminibus fascia 

 laterali flava ; alls pallide roseis. 



Long. corp. lin. 22 ; cap. lin. 1^ ; proth. liu. I J ; mesoth. 

 hn. 2\ ; metath. lin. 4 ; abdom. Hn. 12 ; tegm. lin. 2^^ ; 

 alar, expajis. unc. 2|^. 



Phasma (Necroscia) gulare, (Hagenbach, MS.) De Haan, 

 Orthopt. Orient, p. 122. 



Hab. In Borneo. 



The dimensions given above are taken from the typical 

 specimen preserved in the Leyden Museum. 



82. (415.) Necroscia nigro-fasciata. 



Mesothorace breviore, duplicem longitudinem prothoracis 

 sequante ; ocellis nuUis ; thorace, tegminibus aUsque mar- 

 gine laterali nigro notatis. 



Long. corp. maris, lin. 18 ; cap. lin. 1 ; anten. lin. 12 ; 

 proth. lin. I ; mesoth. lin. 2 ; metath. lin. 3^ ; abdom. 

 lin. 8 + lin. 2 = lin. 10 ; tegm. lin. 2 ; alar, expans. rmc. 2. 



Phasma (Necroscia) nigro- fasciatum. Be Haan, Orthopt. 

 Orient.^. 122. 

 Hab. Singalang ; Sumatra ; Batang. 



The typical specimen in the Leyden Museum is a male ; 

 but the terminal segments of the body are only sUghtly 

 dilated ; the anterior femora are straight at the base ; the 

 hinder area of the wings is pale fleshy. 



Genus 34. METRIOTES, Westw. 



Platycrana, pars, G. R. Gray (Syn. Phasm. p. 36). 



Burmeister {Hiindb.d. Eat. p. 581). 



Be Haan {Orthopt. Orient, p. 124). 

 Phasma (pars, nee Platycrana), ServiUe, H. N. Orthopt. 



Body long, slender, with long equal- sized wings in both 

 sexes. Head porrected, flat, occasionally spined, destitute 

 of ocelli. Antennse long and slender, or of moderate 

 length. Thorax cylindrical or angulated ; mesothorax 

 twice or thrice the length of the prothorax, occasionally 

 spined. Tegniina elongate-ovate, generally about one-third 

 of the length of the wings. Wings large in both sexes ; 

 median vein of the costal area generally furcate. Legs 

 long, or moderately long and slender ; fore femora occa- 

 sionally rather dilated. Abdomen elongated, flattened ; 

 anal styles abbreviated. 



Inhabit South America. 



These insects are distinguished from most of the pre- 

 ceding by the more elongated tegmina, which are, however, 

 much shorter than in some of the subsequent genera ; 

 hence the name here proposed for the present group. 

 They are united by Burmeister and De Haan with Bin- 

 ehjtron, to which they are perhaps too closely allied. The 

 three insects placed by ServiUe in his genus Platycrana 

 belong to three separate groups, whilst his first section of 

 Phasma comprises the species oi Platycrania which bears 

 his name. If Cayenne, and not Amboyua, be the real 

 country of Ph. acanthopfermn of Stoll, it ought to find a 

 place in the present group. 



The genus, as proposed by Mr. G. R. Gray, comprises 



