92 TUOS. L. CASEY. 



19. li. extricatus n. sp. — Form* moderately elongated, depressed. Surface 

 of head and prothornx rather closely and coarsely punctured and pubescent. Ely- 

 tra striate, striae very feeble. Color dark testaceous; elytra, legs and antennae 

 paler. Head sub-triangular, bordered; eyes small, convex and well advanced. 

 Prothorax wider than the head, very slightly broader than long, and perceptibly 

 narrowed behind ; sides slightly arcuate; anterior angles a little rounded; poste- 

 rior angles acute; lateral striae distinct, traces of a second one being also visible. 

 Elytra one-half as long again as the head and prothorax together, and much wider 

 than the latter; entire and evenly rounded behind; sides parallel and slightly 

 arcuate. Scutellum small and transverse. First abdominal segment about twice 

 the length of the second, next three equal, fifth a little longer than the fourth. 

 Antennae equal in length to head and proihorax together, first joint moderately 

 elongated, second smaller and cylindrical, third and fourth much smaller, equal 

 and sub-globular, fifth longer and cylindrical, sixth like fourth, seventh like fifth, 

 eighth smallest and globular, ninth to eleventh larger and not perceptibly flattened ; 

 all moderately pubescent. — Length 1.8 mm. 



Plate Vli, Fig. 5. 



One specimen from Missouri is before me. 



20. Jii, alterimnM Er. — Form moderately elongated and depressed. Surface 

 shining; punctures on head and prothorax rather fine, coarser on the latter; ely- 

 tra striate and foveate; foveae large, and arranged in rows. Pubescence on head 

 and prothorax rather dense and fine; that on elytra is shorter, coarser and in the 

 form of erect setae, which are arranged in closely approximate rows. Color pale 

 testaceous, legs a little lighter. Head snb-triangular, large ; eyes advanced on sides 

 of head, small and flat; median line visible. Prothorax a little narrower than the 

 head, slightly wider than long, and feebly narrowed behind ; sides nearly straight ; 

 anterior and posterior angles right ; lateral striae well marked and equidistant 

 from the sides throughout. Elytra about one-fourth as long again as the head and 

 prothorax together, as wide as head, obtusely truncated behind, and entire ; sides 

 parallel and nearly straight. Abdominal segments equal. Antennae equal in 

 length to the elytra; first joint very moderate, second smaller, third to eighth still 

 smaller, moniliform and slightly elongated, ninth to eleventh somewhat abruptly 

 larger and flattened, last joint more elongated and cylindrical than tenth; all 

 densely pubescent. Length 1.9 mm. 



Plate VII, Fig. 6. 



A cosmopolitan species, but ratber rare. 



21 . I(. ferrnginens (Steph.j —Form moderately elongated, depressed ; sides 

 parallel. Punctures on head and prothorax coarse and close ; elytra striate, striae 

 closely approximate. Pubescence on head and prothorax long and abundant, that 

 on elytra shorter, and in the form of erect setae arranged in very even rows. Sur- 

 face moderately shining. Color dark testaceous. Head sub-triangular; median 

 line distinct; eyes small, convex and slightly advanced. Prothorax as wide as 

 head, length and breadth equal, very slightly narrowed behind ; sides very mod- 

 erately arcuate; anterior and posterior angles right; lateral striae rather faint. 

 Scutellum small and evenly rounded behind. Elytra one-half as long again as 

 the head and prothorax together, equal in width to the latter, entire, and evenly, 

 though somewhat obtusely rounded behind ; sides parallel and nearly straight. 

 Abdominal segments sub-equal. Antennae equal in length to about one-half of 



