LOCUSTID.E. 301 



Male"? Labrum much longer. Length of the hody 14 lines; 

 expansion of the fore wings 30 lines. 



b. Santarem. From Mr. Bates' collection. 



Genus 73. SECSIVA. 



Fcem. Corpus gracile, convexutn, glabrum. Caput prothorace 

 angustius, cornu antico parvo porrecto conico subtus carinato antennarum 

 arliculum lum non superante; frons lonjjissima, perobliqua. Oculi 

 globosi, sat magni, fere rotundi. Palporum articuius 4us 3o paullo 

 longior; 5us 4o longior. Antennae Ionga3, graciles, basi approximate. 

 Prothorax longiusculus, subcompressus, subtilissime rugulosus, non cari- 

 natus,lateribus margiueque postico rotundatis. Vagina lanceolata, arcuata, 

 abdomine multo brevior. Pedes breves, robusti; femora uniseriatim spinu- 

 losa; tibia3 quatuor anteriores biseriatim quinquespinosa3 ; tibia3 posticae 

 quadriseriatim spinulosae. Alae corpore longiores. 



Female. Body slender, convex, smooth, shining. Head narrower 

 than the prothorax, narrowest in front ; a short conical porrect protuberance 

 between the antennae, not extending beyond the first joint of the latter, 

 keeled beneath ; front very long and oblique. Eyes prominent, rather 

 large, nearly round. Fourth joint of the maxillary palpi a little longer 

 than the third ; fifth subclavate, longer than the fourth. Antennae long, 

 slender, approximate. Prothorax elongated, slightly compressed, very 

 finely rugulose, narrowest in front, without lateral keels ; sides and hind 

 border rounded, the latter notched on each side. Sheath of the oviduct 

 lanceolate, curved, much shorter than the abdomen. Legs short, stout; 

 femora with a row of minute spines ; hind femora attenuated towards the 

 tips; four anterior tibiae with five spines on each side, which are longer in 

 the fore tibiae than in the middle tibiae ; hind tibiae with four rows of 

 minute spines, most of which are in the two upper rows. Wings of equal 

 length, longer than the body. Fore wings thickly and irregularly reticu- 

 lated. 



This genus has much affinity to the Conocephalida. 



1. SECSIVA UNIVITTA. 



Fo3m. Testacea ; caput et prothorax nigro univittata ; mandibulte apice 

 nigrce ; oviductus apicem versus fulvus ; alee posticce diaphance. 



Female. Testaceous. Head and prothorax with a black stripe. 

 Eyes livid. Mandibles with black tips. Oviduct tawny towards the tip. 

 Hind wings pellucid; veins pale. Length of the body 9 11 lines. 



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



Genus 74. DISCERATUS. 

 Disceratus, Scud. 



1. DlSCEBATUS NUBIGER. 



nubiger, Scud. 



Salto, 10,000 feet above the sea, on the slope of the volcano of Antisana. 



