is 



CATALOGUE OF ORTHOPTEROUS INSECTS. 



iutegro et supra foliis spiniformibus 2 acutis ; pedibus pos- 

 ticis subintegris, tibiis basi infra lobo minimo supra den- 

 ticulis 2 auctis; metathorace, abdominis articulo 1° et 6° 

 apice supra unilobato ; vagina apice truncato, inaequali." 



Lat. corp. 2'". Long. corp. 3" 3'" ; mesoth. 9i'" ; me- 

 tath. 5"' ; ped. ant. 2" 2'" ; ped. med. 1" 8'" ; ped. post. 

 2" 3'". 



Phasma (Acanthoderus) bifoliatum, Be Ilaan, Orth. Orient. 



p. 136. pi. 14. f. 2. 



llab. In Sumatra. 



Obs. A specimen, which I cannot distinguish from M. 

 De Haan's insect, is in the British Museum Collection from 

 Western Africa. It will be a remarkable circumstance if 

 it should be proved that this species has so wide a geogra- 

 phical range. 



4.(128.) Prisomera verrucosum. 



Foem. Corpore rugoso ; capite pone oculos convexo, 

 parte antcriore truncata, concava, bicristata ; cristis inte- 

 gris ; mesothorace verrucis 5 subfragasformibus alternan- 

 tibus, inter pedes medios transversim carinato ; abdominis 

 articulo lmo et 2do medio biverrucoso ; articulo 3°, 4°, 7°, 

 8° apice medio supra unilobato, lobo articuli 4ti producto 

 concavo obtuso, lobis posterioribus verrucseformibus; vagina 

 versus apicem arcuata, medio carinata, apice rotundata ; 

 femoribus anticis extus convexis, ante apicem infra unilo- 

 batis ; tibiis lato-marginatis, margine eroso, tarsorum arti- 

 culo 1° dilatato ; femoribus mediis supra lobo foliaceo 

 margine eroso, antrorsum incurvato, infra versus apicem 

 foliis 2 auctis ; tibiis mediis incurvatis ; supra lobis 2 

 erosis ; pedibus posticis integris, femoribus apice infra bi- 

 denticulatis. 



Long. corp. 3" 1"' ; mesoth. 9"'; metath. 7^'"; ped. 

 ant. 1" 3"'; ped. med. 1" 1'" ; ped. post. 1" 4'". 



Phasma (Acanthoderus) verrucosum, De Ilaan, Orthopt. 

 Orient, p. 136. pi. 14. f. 1, foem. • 

 Hub. In Sumatra. 



Genus 8. ACANTHODERUS. 



Acanthoderus, G. R. Gray. 

 Rhaphiderus, Serville. 

 Phasma, p., Bumeril. 

 Bacteria, p., Percheron. 

 Cyphocrauia, p., Bridle. 



Body scabrous. Head small, subquadrate. Antennae 

 moderately long, setaceous, with the second joint much 

 shorter than the third. Thorax cylindrical, shorter than 

 the abdomen, spinose. Metathorax nearly as long as the 



mesothorax. Abdomen rather short, cylindrical. Legs 

 moderately long, more or less spined, or furnished with fo- 

 liaceous lobes. Tarsi with the basal joint shorter than the 

 two following. 



1. (129.) Acanthoderus spinosus. 



Thorace supra et infra, abdominis articulo primo pedi- 

 busque fortiter spinosis ; mas filiformis, flavesceuti-bruu- 

 neus, linea in medio nigra ; feemina cylindrica, albida, linea 

 dorsali senea. 



Long. corp. maris 3" 6'" ; fcem. 4" 3'" ; capit. 24;'" ; 

 proth. 2\'" ; mesoth. 9'" ; metath. 8^"' ; abdom. 2" 4'". 



Caput inerme, longitudine prothoracis ; segmentum pri- 

 mum abdominis supra spinis 2,2 ; segmenta reliqua inermia, 

 sensim attenuata ; operculum oviductus ad medium seg- 

 meiiti ultimi extensum. 



Acanthoderus spinosus, G. R. Gray, Syn. Phasm. p. 14. 

 Phasma (Bacteria) spmosum, G. R. Gray in Trans. Ent. 



Soc. i. p. 46 (nee Bacteria spinosa, G. R. Gray, Syn. 



Phasm. p. 43). 



Blab. In Nova Hollandia (Swan River). Mus. Hope. 



2. (130.) Acanthoderus spiniger. 

 Elongatus, gracilis, cylindricus, scaber ; capite inter oculos 

 bitumido ; antennarum articulis apice nigris ; mesothorace 

 spinis circiter 18 validis supra et subtus armatis ; meta- 

 thorace supra spinis 3, subtus 8 ; abdominis segmento lmo 

 subtus spinis duabus ; pedibus quatuor posticis, femoribus 

 prope apicem bispinosis ; tibiis prope basin lobo parvo trian- 

 gulari instructis (mas). 



Acanthoderus spiniger, White, Voy. Erebus $- Terror, Ins. 

 p. 24. 

 Hob. New Zealand ? (Br. Sinclair, R.N.) B.M. 



" Head greenish-grey, with a broadish protuberance be- 

 tween the eyes, divided longitudinally in the middle ; ver- 

 tex smooth ; antennae greyish, with the third and follow- 

 ing joints black at the tip (only fourteen joints remain, of 

 which the terminal ones are long) ; prothorax greenish-grey, 

 smooth ; mesothorax narrow, green, cylindrical, with about 

 eighteen strong spines, placed somewhat in pairs, nine on 

 the upper and nine on the under side, brownish-black at 

 the end ; metathorax green, narrow, cylindrical, with three 

 spines above and eight below ; abdomen subcylindrical, 

 the joints thickened, first segment with two spines in the 

 middle on the under side ; fore legs (broken off) ; two hind 

 pairs greyish, with six wide brown bands ; femora white at 

 the base, with two short spines at the very end, and two 



