48 



CATALOGUE OF ORTHOPTEROUS INSECTS. 



integro et supra foliis spiniformibus 2 acutis ; pedibus pos- 

 tieis subintegris, tibiis basi infia lobo miuinio supra deu- 

 ticulis 2 auctis ; metatborace, abdomiuis articulo 1" et 6° 

 apice supra unilobato; vagina apice truncate, insequali." 



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

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

 2" 3'". 



Phasma (Acanthoderus) bifoliatum, De Hatin, Orth. Orient. 



p. 136. pL 14. f. 2. 



Hab. In Sumatra. 



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

 De Haan's insect, is in the British IMuseum 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 anteriore truncata, concava, bicristata; cristis inte- 

 gris ; mesothorace verrucis 5 subfragseformibus alternan- 

 tibus, inter pedes medios transversim carinato ; abdominis 

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

 8" apice medio supra unilobato, lobo articuh 4ti producto 

 coucavo obtuso, lobis posterioribus verrucEcformibus; vagina 

 versus apicem arcuata, medio carinata, apice rotundata ; 

 femoribus anticis extus convcxis, ante apicem infra unilo- 

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

 culo 1° dilatato ; femoribus mediis supra lobo foliaceo 

 margine eroso, antrorsum iucurvato, 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, Orlhopt. 

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



Hab. In Sumatra. 



Genus 8. ACANTHODERUS. 



Acanthoderus, G. R. Gray. 



Rhaphiderus, Serville. 

 Phasma, p., Dnmcrit. 

 Bacteria, p., Percheron. 

 Cyphocrania, p., Brulle. 



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. Meta thorax 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, flavescenti-bruu- 

 neus, linea in medio nigra ; foemina cyliudrica, albida, linea 

 dorsali senea. 



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



capit. 



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



Caput inerme, longitudine prothoracis ; segmentum pri- 

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

 sensim attcnuata ; operculum oviductus ad medium seg- 

 ment! ultimi extensum. 



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

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



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



Phasm. p. 43). 



Hab. In Nova Ilollandia (Swan River). Mus. Hope. 



2. (130.) Acanthoderus spiniger. 

 Elongatus, gracilis, cylindricus, scaber ; capite inter oculos 

 bitumido ; antennaruni articulis apice uigris ; mesothorace 

 spinis circiter 18 validis supra et subtus armatis ; meta- 

 tborace supra spinis 3, subtus 8 ; abdominis segmento Imo 

 subtus spinis duabus ; pedibus quatuor posticis, femoribus 

 prope aj)icem bispinosis ; tibus prope basin lobo ]iarvo trian- 

 gulari instructis (mas). 



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

 p. 24. 

 Hab. New Zealand ? {Dr. Sinclair, R.N.) B.M. 



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

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

 tex smooth ; antenuDe 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 aud 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 

 jiairs greyish, with six wide brown hands ; femora white at 

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



