76 On Orthopterous Insects from Australia &c. 



2'25 lines; mesothorax 2 lines ; abdomen 13"5 + 4"75 = 18*25 

 lines ; breadth of abdomen at base 5"25, at angulation of third 

 segment 13' 5, at junction of fifth and sixth 11, at junction of 

 sixth and seventh 7'5 lines ; length of tegmina 18"5, breadth 

 of tegmina 7'25 lines. 



Hab. New Britain {C. French). A single gravid female, 

 preserved in alcohol. 



Family MantidaB. 



Subfamily Hysteeomantina. 



4. Orthodera prasina, Burmeister. 



Orthodera prasina, Burmeister, Handb. d. Entom. Band ii. 2te Abtheil. 



S. 529 (1838). 

 Mantis ruhrocoxata, Serville, Hist. Nat. des Ins. Orthopteres, p. 203, 5 



(1839). 

 Mantis Hohsonii, Le Guillou, Rev. Zool. Soc. Cuv. t. iv. p. 293 



(1841). 

 Bolidena Hohsonii, Blancliard, Vov. de I'Astrolabe et la Zelee, Zool. 



t. iv. p. 356, pi. i. fig. 7, $ (1853). 



Hab. A single female, preserved in alcohol, from North 

 Australia {C. French). 



5. Orthodera marginata, Saussure. 



Orthodera marqinata, Saussure, Melanges Orthopt. 4' fasc. p. 8, pi. 8, 

 fig.l,? (1872). 



Hab. A single specimen of the female, preserved in alcohol, 

 from North Australia ( C. French) . 



6. Archimantis armatus, n. sp. 



9 . Robust. Prothorax with its lamellar lateral margins 

 coarsely toothed from end to end ; under surface of neck covered 

 with coarse spiniform tubercles, one of which, larger than most 

 of the rest, is placed immediately in front of the insertion of 

 each fore leg. Organs of flight reaching a little beyond the 

 extremity of the second segment of the abdomen : tegmina 

 opaque throughout, except along the sutural margin and the 

 anal area, which are hyaline ; the stigma has a black-brown 

 spot at either end : wings with the marginal area alone opaque, 

 the rest perfectly hyaline. Terminal joint of cerci broadly 

 rounded off at the extremity, not pointed. Anterior coxa fur- 

 nished with 6-8 blunt spines, between some of which are one 

 or two smaller ones ; tibia with 17 teeth on the inner and 

 11-13 on the outer edge. 



Total length 104 millims. ; prothorax 37*5, of which the 



