REVISION OF ELEODIINT BLAISDELL. 123 



Measurements. — Males: Length, 12-15 mm.; width, 4.5-5.5 mm. 

 Females: Length, 12-15 mm.; width, 5-() mm. 



Forma convexicollis. — Form usually small, shorter, and more ro- 

 bust. Pronotal disc quite strongly convex, otherwise as in the typical 

 form. 



Measureme7its. — Males: Length, 11-12 mm.; width, -1.2—1.5 mm. 

 Females: Length, 11-12.5 mm.; width, 4.5-5 mm. 



Forma cognata typica. — Larger, more robust, smoother. Elytral 

 punctures line and less scabrous. Surface shining to dull. 



MeasureTneRts. — Males: Length, 15-17 mm.; width, 5-6,5 mm. 

 Females: Length, 15-17.5 mm.; width, G.5-8 mm. 



Forma cognata punctata. — Pronotal punctures coarse; elj'tra 

 densely and coarsely punctate, otherwise as in the typical cognata 

 form. 



Measurem,ents. — Males: Length, 12.5-17 mm.; width, 4.5-7 mm. 

 Females: Length, 11-17.5 mm. ;• width, 4.5-8 mm. 



Forma elongata. — Male with body tapering both ways so as to 

 be quite evenh^ fusiform, dorsal median line evenl}^ arcuate from 

 head to elytral apex; humeri quite prominent anteriorly; thorax 

 quadrate, apical angles acute and anteriorly prominent. Legs long 

 and slender. Otherwise as in the typical form. 



Measarements. — Males: Length, 14-15.5 mm.; width, 4.5-5 mm. 



Genital characteTS.^ Tuale. — Edeagophore of the usual form, mod- 

 erate in length, elongatel}^ oval-oblong and scarcely arched. 



Basale oblong, evenly convex above, with sides feebly and eveuly 

 arcuate. 



Apicale slightly elongate and triangular, evenly convex above, 

 with a short, sliallow, linear groove in median third ; sides slightly 

 arcuate at basal fourth, thence broadly and feebly sinuate to tip, the 

 latter acute and moderately produced; base broadly lobed at middle 

 and feebly sinuate laterall}'. 



Sternite transversely suboblong. Each lobe with the outer border 

 straight or feebly sinuate in basal half, thence evenly arcuate to apex, 

 the latter rather narrowly rounded : internal border straight or sin- 

 uate; surface feebly convex, sparsely punctate and setose, setae longer 

 but scarcely denser about apical margin. Membrane not setose at 

 bottom of the sinus. 



Female. — Genital segment rather short, trapezoidal in outline, and 

 setose. 



Valvula (Plate 1, fig. 12). — Dorsal plate somewhat oval-oblong, 

 inner fourth reflexed, glabrous and impunctate, outer three-fourths 

 more or less obliqueh^ and less strongly reflexed, sparsely punctate and 

 setose, setse moderatly long and flying; external border very feebly 



