LOCUSTlDiE. 301 



Male"? Labium much lonjier. Length of the body 14^ lines; 

 expansion of the fore wings 30 lines. 



h. Santarera. From Mr. Bates' collection. 



Genus 73. SECSIVA. 



Fcem, Corpus gracile, convexuin, glabrum. Caput prolhorace 

 angustius, cornii antico parvo porreeto conico siibtus carinato antennarum 

 articulura lum non superante; frons lon^issima, perobliqua. Oculi 

 globosi, sat may:ni, fere rotundi. Palporum articulus 4us 3o paullo 

 longior; 5us 4o longior. Antennae longae, graciles, basi approximatae. 

 Piothorax longiuscuhis, subcompressus, subiiiissime riigulosus, non cari- 

 natus,lateribus mar^ineque postico rotundatis. Vagina lanceolata, arcuata, 

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

 losa ; tibiae quatnor anteriores biseriatim quinquespinosae ; tibiae posticae 

 quadriseriatira 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. Antenna long, 

 slender, approximate. Prothorax elonirated, 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 

 niiniiie 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 ConocephalidcB. 



1. Secsiva univitta. 



Fcem. Testacea ; caput et prothorax nigro univiltata ; mandibuloB apice 

 nigrcB ; oviductus apicem versus fulvus ; aim postica 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, h. Victoria River, North Australia. Presented by J. R. Elsey, Esq. 



Genus 74. DISCERATUS. 

 Disceratus, Scud. 



1. Disceratus nubiger. 

 nubiger, Scud. 

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



