216 NEW SPECIES MELYRIDAE, CHRYSOMELIDAE AND TENEBRIONIDAE 



Mr. H. C. Fall has made the necessary comparisons at Cambridge, 

 and found two examples referred to politus. "The second specimen is not 

 politus at all. The first bears the name label in Horn's handwriting and 

 is evidently one of his type series. It is rather old and worn, hence the 

 setae are not well preserved. They are present, however, on the inflexed 

 sides of the thorax, but appear to be practically absent from the epipleura, 

 nor is there any evidence of setigerous punctures to show where they may 

 have been, except possibly two or three very small ones." He further 

 states that "the punctuation of the upper surface is distinct enough 

 though sparse and fine. Your specimens are distinctly smoother." 



Mr. Van Duzee states that the specimens were "taken on the steep 

 southern slope of Prince Island at the entrance to the harbor of San 

 Miguel Island. They were found beneath prostrate weeds more or less 

 imbedded in light sandy soil brought down by the small surface washes. 

 In the right kind of soil they were not uncommon, an hour's work yielding 

 about seventy specimens. 



The mentum in vanduzeei is transverse, with the apex broadly sinuate, 

 sinuation nearly semicircular at middle third, thence oblique and feebly 

 arcuate to the tips of the lobes, the latter are obtusely rounded ; sides dis- 

 tinctly arcuate; surface nearly impunctate centrally, broadly impressed 

 laterally on the lobes and punctate, impression deep at base ; each puncture 

 bearing a yellow seta ; lateral bead thick. 



In Eusattus difficilis the surface of the mentum is feebly convex, 

 nearly impunctate, with only a few scattered punctures ; otherwise as in 

 vanduzeei. The mentum is still smoother in Eusattus reticulatus Say. 



Female genital segment. Each valve consists of a dorsal, a lateral 

 plate terminating in the apex, and a ventral plate. Lateral plate strongly 

 chitinized, dilated at base but continuous with the less chitinized dorsal 

 and ventral plates ; surface with very sparse punctures, each with a long 

 hair; apex slightly recurved, flattened dorso-internally, feebly convex on 

 the ventro-lateral surface ; the rather elongate oval fossa bears a pencil of 

 about eight long hairs situated near base of the apex ; fossa membranous 

 at bottom ; tip of apex strongly chitinized and narrowly rounded. Dorsal 

 plate pale in color, not moderately chitinized, internal border apparently 

 arcuate, reaching to a point about midway between the fossa and tip of 

 apex ; surface coarsely and rather closely punctate, each puncture bearing 

 a long hair. Ventral plate narrower and elongate, pale in color and not 

 strongly chitinized, reaching to a point opposite the tip of the ventral 

 plate ; surface densely and coarsely punctate, each puncture bearing a long 

 hair. Dorsal and ventral plates blend with the lateral plate. Described 

 from the dried specimen. 



