LOCUSTIDiE. 315 



four rows. Wings lonj^er than the body. Fore wings with several blackish 

 dots. Hind wint;s cinereous, with brownish veins. Length of the body 

 13 lines; expansion of the fore wings 30 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



40. CONOCEPHALUS AMPLUS. 



Mas. Testaceus ; caput et prothorax subtiliter punctata, fuscescente 

 biviltata; fastiyium brevissimum, latissimum, antice rotundalum, 

 basi subtus subangulatum ; anleiince fidvce ^ basi subius testacecB ; pro- 

 thnracis dorsum poslice latum; sternum nigro vittatum ; pedes 

 graciles, tibiis basi nigro notaiis^ tarsis nigro bivittatis ; alee antics 

 ctirpore longiores, basi lalcB et nigricante notatce ; alee posticce 

 diafihance, testaceo venosce. 

 Male. Testaceous. Head and prothorax thicl<ly and minutely punc- 

 tured, with two intermediaie brownish stripes. Head with a horizontal 

 horn which extends a little beyond ihe first joint of the antennae and is 

 rounded and not narrower in front, and forms a slight angle contiguous to 

 the aitenualed part of the smooth front. Antennae tawny, testaceous at the 

 base. Dorsum of the prothorax widening much from the fore border to 

 the hind border, which is rounded and slightly notched on each side ; lateral 

 keels distinct. Sternum with a black stripe; proslernum with two long 

 slender spines. Legs slender; tibiae with a black mark at the base; tarsi 

 and tips of the hind tibiae with two black stripes; hind femora and four 

 anterior tibias with some small spines in two rows; hind tibiae with four 

 rows. Fore wings rather longer than the hind wings, very much longer 

 than the body, broad at the base, where there is a blackish mark on each 

 and where the tympanum of the right wing is large and pellucid. Hind 

 wings pellucid ; veins testaceous. Length of the body 14 lines ; expansion 

 of the lore wings 44 lines. 

 a. Natul. From M. Gueinzius' collection. 



41. CoNOCEPHALUS CONSOBEINUS. 



Mas el f(Em. Viridis aut testaceus ; corpus gracile; caput et prothorax 



subtiliter punctata; fasligium breve, apice rolundatum, basi subtus 



angulutum ; oviductus rectus, abdomine longior ; pedes graciles, tibiis 



basi nigro-notatis, tarsis subtus nigris ; alcc anticfe nigro subpunctat(e, 



corpore longiores ; alee posticce diaphance, viridi venosce. 



Male and female. Grass-green or pale testaceous, slender. Head and 



prothorax thickly and miuutely punctured. Front and hinder part of the 



head above smooth; horn horizontal, extending a little beyond the first 



joint of the antennae, rounded and not narrower in front, forming a slightly 



acute angle at the base beneath. Mandibles with black tips. Prothorax 



with two very slight transverse furrows; hind border slightly rounded, 



notched on each side; lateral keels defined. Prosternum with two long 



slender spines; mesosternum and metasternura with two angular lobes. 



Oviduct straight, somewhat longer than the abdomen. Legs slender ; tibiae 



with a black mark at the base ; tarsi black beneath ; hind femora and four 



anterior tibiae with a few small spines in two rows ; hind tibiae with four 



rows. Fore wings a little longer than the hind wings, very much longer 



