36 J. Wood-Mason — On new and little-Jcnown Mantodea. 



Mesopteetx eobusta, n. sp. 



? . Prothorax longer and more robust than in M. plafycepJiala, Stal, 

 and slightly dilated at the insertion of the fore legs ; its dorsal arc roof- 

 shaped, with the raised median longitudinal line coarse and prominent 

 throughout, and with tlie free edges of its relatively narrower fqliaceous 

 expansions straight posterior to the supracoxal dilatation instead of slightly 

 convex and the under surface coarsely rugose-punctate, with the puncta 

 translucent instead of black. 



Organs of flight when closed reaching just to the extremity of the last, 

 abdominal somite. The tegmina green with the marginal field coriaceous, 

 the rest of the organs being membranous. The wings hyaline with the 

 anterior margin alone clouded with green. 



Legs rather more robust. The fore tibiae armed with 12 blunt teeth 

 on the outside and with 18 on the inside below. 



Cerci only slightly compressed. 



Total length 118 millims. ; length of pronotum 45'5, of which the 

 posterior lobe is 36*5 ; length of head 7 5, breadth 11 ; length of tegmina 

 65, breadth of tegmina 14*5, of marginal field 3 5 ; length of fore coxa 

 24, femur 27*25 ; of intermediate femur 23, tibia 21 25 ; of posterior 

 femur 2925, tibia 31*75 ; of cerci 12*5. 



Hab. a single specimen obtained probably by myself on South Anda- 

 man Island in 1872, but possibly by one of the Museum collectors under 

 Captain J. Butler in the Naga Hills, Assam. 



