94 RKVISION OF SYMPETES AND HKL^EUS, ETC., 



C. Prothoi'acic carina forming a double, or triple, curve (seen 

 sideways). 

 D. Form rather flat. 



E, Margins horizontal, equally wide all round castor I'asc. 



EE. Margins slightly concave and undulate, costae more 



approximate Oeor(/ei, n . sp. 



DD. More convex, explanate margins of elytra narrowing to 

 apex. 

 E. Anterior prothoracic processes blunt. 

 F. Upper surface strongly bristled. 



G. Bristles red , Master&i Pasc. 



GG. Bristles black. 



H. Pronotum nearly smooth Gihm, n.sp. 



H H . Pronotum pustulate occidentali^t, n. sp. 



EE. Anterior prothoracic processes acute (falcate) f PerroJiu Boisd, 



[falcatiis Pasc. 

 BB. Form less widely ovate. 



C. Prothoracic carina forming a single curve (seen sideways). 



D. Surface not bristled 7'Vffosipennis, n.sp. 



DD. Surface densely bristled opacicollis, n.sp. 



BBB. Form elongate-ovate, 

 c. Elytral costte entire. 



d. Surface nearly smooth Machayi Breme. 



dd. Surface with tufts of long hair sparsus, n.sp. 



oc. Elytral costse broken into nodules posteriorly Frenchi, n.sp. 



AAA. Size small, 8-11 mm. long. 

 b. Elytral cost;e parallel. 



c. Anterior prothoracic processes overlapping. graimlaUis Lea. 



cc. Anterior prothoracic processes not meeting Haagi Dohrn. 



bh. Elytral costae not parallel ZTo^ei Breme. 



Section iv., at present contains only one species, herein described 

 as H. crenatipennis milii. 



Section iv. Elytra quadricostate. 



crenatipennis, n.sp. 



Section v. — Elytra tuherculate. 



Consists of four described species, but they are perhaps the 

 most difficult of all to identify or classify with any real defiuite- 

 ness. Taking tliem in order of priority of description, they are 

 H. ovatus Guerin, //. taberculatus Breme, //. echinatus Hope, and 



