175 



Differs from the other species in its larger size, posteriorly attenuated form, and 

 fainter sculpture. 



Habitat, North America. 



Rhypobius Dorhnii, sp. n. 



L. c. yg-f Jlin. = l"2.5-l"37mm. — Ovalis, valde convexus, nitidus, eh'tris punctis 

 duplieibus levissime impressis, rufo-castaneus ; capite sat parvo ; - iironoto sat 

 parvo, antiee fere circulariter rotundato, indistinctissime puuctato et levissime 

 alutaceo, lateribus marginatis. margine basali fere rectii, angulis acutis ; elytris 

 magnis, capite atque pronoto vix latioribus, sesqui longioribus, ante media latis- 

 simis, punctis duplieibus levissime impressis, interstitiis levissime alutaceis, 

 lateribus marginatis, apice valde obtuso ; pedibus modicis, flavis ; antennis parvis, 

 brevissimis, flavis, articulo septimo modice iijcrassato. 



Body oval, very convex, shining, faintly alutaceous, with the elytra very faintly 



marked with double punctures, rufo-castaneous. 

 Head small ; eyes moderate ; antennse small and very short, with the seventh joint 



moderately enlarged. 

 Thorax rather small, almost circularly rounded in front, very faintly alutaceous, 



and marked with minute, remote, and indistinct punctures, sides margined, 



basal mai'gin almost straight, with the angles acute. 

 Scutcllum rather large, rounded. 

 Elytra large, scarcely broader, but one-half longer than the head and thorax, 



widest before the middle, faintly marked with double punctures, interstices 



faintly alutaceous, sides margined, apex very obtuse. 

 Legs moderate, bright yellow. 

 Under parts rufo-castaneous, with the metastei'num and first ventral segment 



dusky. 

 Differs from other species in its large size, oval form, faint sculpture, and very 



small antennai. 

 Habitat, Asia. Found near Tashkend. 



The only example of this distinct species, which 1 have seen, is in the collection 

 of Dr. N. A. C. Dohrn. 



Rhypobius Fiorianus. 



R. Fiorianus, Matthews, Bull. S. Ent. Ital. Ann. 1886, p. 432. 



L. c. j% liu. = 1 mm. — Late ovatus, validissime convexus, castaneus, nitidus ; 

 capite sat magno, oculis prominentibus ; pronoto sat magno, rufescenti, distincte 

 alutaceo, punctis minutis, indistinctis, remotis notato, lateribus leviter marginatis, 

 margine basali fere recta, angulis rectis ; eh/iris capite atque pronoto parum lati- 

 oribus, plus quam sesqui longioribus, prope humeros latissimis, punctis duplieibus 

 ordinibus transversis, fere rectis, coufertim et regulariter dispositis, ornatis, inter- 

 stitiis profunde alutaceis, lateribus marginatis, margine dilutiori, apice valde 

 obtuso ; pedibus atque antennis robustis, hi'te flavis. 



Body broadly ovate, exceedingly convex and shining, castaneous, with the elytra 



infuscate near the shoulders. 

 Head rather large; eyes prominent; antennae rather short, bright yellow, with 



the seventh joint much enlarged. 

 Thorax rather large, rufescent, distinctly alutaceous, remotely marked with minute 



indistinct punctures, sides slightlj' margined, basal margin nearly straight, 



with the angles nearly right angles. 

 Scutellum moderate, rounded. 

 Elytra rather broader, and more than one-half longer than the head and thorax, 



