ONAIMIAT.ORYX. 75 



niarjiins. Tlic sIi<»uI<1<m's arc aculcly aiijiiilar. TIic middle 

 tihid })ears a ^^tI•()IlJI lateral s])iiu' and the liiiid (ihia a very 

 minute one. 



Variation of the male. The lateral ]n-oeesses of the elypeu.s 

 vary according to the size of the specimen. They are al)sent 

 in very small males, truncate in moderate-sized ones and 

 produced at the inner an>^le of the truncation in the lar<f;cst. 

 The mandibles of small specimens arc lather stron^Hy cuivcd 

 externally, very sharply pointed and have only feel)le indica- 

 tions of teeth at the inner edge, one beyond the base and one 

 near the middle. In larger cxamj)l<"s a third tooth ap])cars 

 before the tip. In large males the l)asal tooth is fairly strong, 

 the second feeble, the third longer and a small fourth appears 

 before the ti|). The curvature is slight in large s])ecimens. 



3*. Length (with mandibles), 82-80 mm. ; (without mandibles) 

 27-57 mm. : breadth, 1 1-25 mm. 



?. Length, 31-35 mm. ; breadth, 12-5-15 mm. 



Madras : Shembaganur, Madura (Rev. P. Manuel) ; 

 Kodaikanal, Palni Hills, ()i)()0-72t)0 ft. (3/ns. Stanley Kewp, 

 August ; P. V. Lsaac, Sej)tember) ; Anaimalai Hills. 



Type in the British Msueum ; that of //. nisfefNi Boil., in 

 Dr. Didier's collecti(m. 



Genus GNAPHALORYX. 



Onaphnloryx Biirmeister, Handh. Ent. v, 1847, p. 3!)(> ; l.acord., 

 (!cn. ("ol. iii, 18o6. p. .30 ; Arrow, Trans. Knt. Soc. J.orul. Ixxxiii, 

 193.5. p. 113. 



Type, G. opaciis Burm. 



Range. The Malayan Region. 



Moderately elongate and depressed, the surface dcjisely 

 covered with pits containing an earthy matter and very short 

 mimitc S(!ta». Legs slench-r, the fcinora very narrow, tlujse of 

 middle and hind legs rather strongly curved, the middle and 

 hind tibiie each bearing a single mimite lateral sj)ine. The 

 four basal joints of the tarsi short, the fifth long, tlu^ pulvillus 

 strongly developed. Eyes small but fairly prominent, not 

 divided, the sides of the head toothed behind the eye. Mentum 

 short and broad. Ligula very small, without produced lobes, 

 th(^ pal])i with tlie first and third joints long and slender'. 

 Maxilla? with the lobes very small, without horny hook in 

 either sex ; ])alj)i well develo])cd, the second and fourth joints 

 very long. Pronotum short and ])road, with the fiont angles 

 truncate and shar])ly ])roduced, the lateral angles sharp, the 

 hind angles well marked and the l)ase rather narrow. Scutel- 

 lum not very broad, obtuse. Elytra rather long. Prostcrnum 

 little elevated behind the front coxa% not pointed, 



