368 ICHNEUMON'!!).!!. 



apex ; its width at the base longer than the total length ; ... on 

 the apical slope of the metauotum, commencing at the transverse 

 keel, are two stout longitudinal keels ; the sides of the apical slope 

 are bordered by a stout waved keel, which extends to the base of 

 the hind coxae." Wings hyaline, with the costa and stigma 

 red, and the nervures darker ; recurrent nervure emitted twice 

 the length of the submarginal nervure beyond the apex of the 

 basal radial abscissa ; nervelet as long as the transverse cubital 

 nervure. 



Length 21 millim. 



CEYLON : Maskeliya (E. E. Green). 



This species is said to be much larger than any of its congeners 

 known from India in 1905 ; to have the metanotal carinae as in 

 0. areolatus, which possesses the basal metanotal impression semi- 

 circular and not distinctly apically dilated, as in the present 

 species, which is also larger than 0. fuscomaculatus and readily 

 known therefrom by the second recurrent nervure not being 

 emitted opposite the end of the basal radial abscissa. The meso 

 notum is stated to be occasionally subinfuscate linearly. I have 

 not seen this species, which appears, with the exception of the 

 cubital venation, to correspond closely with Opliion luteus, L. : it 

 is the only species of the genus recorded with any certainty from 

 so far south as Ceylon. 



263. Ophion carinatus, Cam. 



Ophion carinatus, Cameron,* Journ. Bombay Nat. Hist. Soc. 1906, 

 p. 275 (?). 



5 . A somewhat large, testaceous-red and nitidulous species. 

 Head very little constricted posteriorly ; orbits broadly flavescent, 

 ocelli subcontiguous to eyes, cheeks short. Thorax : metathorax 

 with the anterior transverse carina not at all distinct, the posterior 

 hardly obsolete centrally and thence emitting two longitudinal 

 cariuae to apex. Abdomen hardly darker and not infuscate 

 apically ; basal segment not constricted centrally, the post- 

 petiole not distinctly discrete ; second but little impressed at 

 the thyridii, with its lateral spiracles somewhat prominent and 

 very obvious from above. Legs with the tibial calcaria of un- 

 equal length. Wings with the stigma testaceous and nervures 

 black ; nervelet elongate ; basal nervure continuous through the 

 median, and the nervellus intercepted at its centre. 



Length 17 millim. 



BALUCHISTAN : Peshin, iv. 03 (Col. Nurse). 



T>/pe in Col. Nurse's collection. 



This species is most remarkably similar to 0. luteus, L., and 

 perhaps no more than a form of it. It differs, however, in having 

 the first cubital cell less acute apically, the internal cubital 

 nervure quite straight below the nervelet, and its apex, beyond 

 the recurrent nervure, exactly as long as the submarginal 

 nervure, whereas in 0. luteus it is basally curved below the 



