388 G. R. CROTCH, M. A. 



Western States. The clypeal margin is extremely slight in this 

 species. 



H. lard us. Lee. 1. c. p. 293. — 9 • — Very close to H. acaroides, but the cly- 

 peus is not margined, and the body is entirely pale beneath; the elytra are 

 opaque. L. *10 inch. 



Massachusetts, New Jersey. 



H. convexus, Aube, Spec, vi., p. 479 — Rounded, sub-convex and shining 

 above, brownish-red, without markings; punctuation of the elytra distinct but 

 fine; clypeus evidently margined, sternum very sparingly punctate. L. .07 

 inch. 



Middle States. 



H. grail urn. Lee. 1. c. p. 294. — Very close to the above, but smaller, ely- 

 tra very sparsely and finely punctulate, color paler, sternum even more 

 sparsely punctate. L. -05 inch. 



Southern States. These two species are distinct by the faint punc- 

 tuation of the underside. 



II. latissimus, Lee. Ann. Lye. v., p. 205.— Form and color of H. acaroides, 

 but thorax with a short plica on either side at the base, and the elytra with a 

 lateral fovea before the middle, color rufous, vertex and base of thorax infus- 

 cate, elytra yellowish, with distinct sutural strise, suture broadly black, and an 

 interrupted fascia also black. L. -09 inch. 

 San Diego. (Leconte.) 



H. dispersus, sp. n. — Very close to H. latissimus, but the elytra have not 

 the lateral fovea, the suture is narrowly black, with a hamate vitta and small 

 ante-medial dot also black. L. '09 inch. 

 Lower California, Texas. (Horn.) 



II. plicipemiis, sp. n. — Rather oblong; very distinct by the thoracic 

 striola prolonged on to the elytra, which have each a rounded dorsal costa; 

 head black, nearly smooth; antennae and legs rufescent; thorax yellow in 

 front, finely punctulate, with an ante-medial interrupted fascia, and each with 

 a triangular sub-apical spot yellow; under surface deeply punctate. L. -05 

 inch. 



California. (Horn.) 



B. — Oval, not markedly convex beneath, intermediate femora received into a fovea 

 body black beneath. 



H. picatus, Kirby, Faun. B. A. iv., p. 68.— rOblong oval, above brown, be- 

 neath black, legs red; head smooth in front, vertex infuscate, punctulate; tho- 

 rax at the base deeply punctate, the punctures elongate, confluent; elytra with 

 the base very deeply punctate, many of the punctures oblong, behind the mid- 

 dle closely punctate. L. -20 inch. 



Lake Superior. Differs from H. picipes by the absence of striae on 

 the elytra. 



