20 SUPPLEMENT. 



Gryllacbis SIMPLEX. 



Mas. Lutea ; caput prothorace paullo latins, fronte bifoveolata ; antenna 

 fulva, corporefere triplo longiores ; pedes robusti, femoribus posticis 

 apices versus spinulosis, iibiis piceo unifasciatis ; alec abdomen 

 longissime superantes ; ala? posticce diaphance. 



Male. Luteous. Head a little broader than the prothorax, with a 

 small deep excavation on each side of the front. Antennae tawny, nearly 

 thrice the length of the body. Prothorax with furrows like those of the 

 preceding species; fore border rounded ; sides and hind border straight. 

 Legs long, stout ; hind femora with a few very minute spines on each side 

 towards the tips; tibia with a piceous band in the middle; four anterior 

 tibiae with four long spines on each side ; hind tibiae with two rows of short 

 black-tipped spines above. Wings extending for full half their length 

 beyond the abdomen. Hind wings pellucid ; veins pale. Length of the 

 body 14 lines ; expansion of the fore wings 42 lines. 



This and the following species are distinguished from others by the 

 long fore wings. 



a. Ceylon. Presented by Dr. Templeton. 



Gryllacbis mabginalis. 



Mas. Lutea ; caput nigrum, macula frontali facieque luteis ; antennce 

 fulva, basi lutece ; prothorax postice piceo unifasciatus ; femora 

 postica piceo unistrigata ; alee abdomen longissime superantes, venulis 

 transversis piceis ; alee posticce diaphance. 



Male. Luteous. Head black, as broad as the prothorax ; an elliptical 

 spot on the front, face, clypeus and palpi luteous. Antennae tawny, luteous 

 at the base. Prothorax with the usual furrows ; a piceous band on the hind 

 border, which, like the fore border, is slightly rounded ; sides straight. 

 Legs stout, rather short; hind femora with two rows of minute black- 

 tipped spines beneath ; a piceous streak above ; four anterior tibiae with 

 four long spines on each side beneath ; hind tibiae with two rows of minute 

 black-tipped spines above. Wings extending for nearly half their length 

 beyond the abdomen; transverse sectors piceous. Hind wings pellucid. 

 Length of the body 13 lines ; expansion of the fore wings 42 lines. 



o. Australia. Presented by the Haslar Hospital. 



Gryllacris lepida. 



Mas. Pallide lutea, glabra ; caput et prothorax cyanea ; caput gutta 

 facieque pallide luteis ; antennce fulva, basi nigricantes ; prothorax 

 rufescente biplagiatus ; abdomen cyaneo late fasciatum. 



Male. Pale luteous, slender, smooth, shining, nearly linear. Head 

 and prothorax metallic-blue. Head a little broader than the prothorax ; a 

 dot on the front and fore part pale luteous. Eyes tawny, elongate- 

 elliptical. Antennae tawny, blackish towards the base. Prothorax with a 

 large reddish patch on each side in front ; two oblique converging furrows 

 on each side of the disk. Abdomen hardly longer than the prothorax; 



