17() GEO. H. HORN, M. D. 



the following joints are pubescent at the edges only the middle being 

 glabrous. The legs are similar, the anterior tibiae especially, so. The 

 mouth parts are also of the same general type observed throughout 

 the Harpalini, especially Nothopus and Piosomu. It will be observed 

 however that the maxillae are not hooked at tip although acute, and the 

 outer lobe considerably shorter than the inner, a character which I have 

 not elsewhere found in the Carabidc«. The tarsi are also truly Harpalide, 

 the male having four joints of the anterior and middle pairs dilated and 

 biseriately squamulose. Finally, the position of the tactile setas of the 

 head and thorax show that Glyptus must be placed in the present series. 

 The tribe Harpalini may be divided primarily by the tarsal vestiture 

 of the male into three series one of which may be again divided, the 

 four groups thus formed may be characterized in the following manner : 



Anterior tarsi of male pilose or spinous beneath, usually feebly sometimes not at 



all dilated Dapti. 



Anterior tarsi of male dilated and biseriately squamulose. 



MaxillfB not hooked at tip, the outer lobe much shorter than the inner, penulti- 

 mate joint of labial palpi not setose, labrum very short Glvpti. 



Maxillae hooked at tip, the outer lobe equal to or longer than the inner, the 



penultimate joint of labial palpi plurisetose, labrum normal Habpali. 



Anterior tarsi of male densely spongy pubescent beneath Anisgdactyli. 



The tarsal vestiture above outlined appears to be the only means yet 

 devised for the division of the tribe. It is not however without ex- 

 ceptions as certain Dapti, Geopinus for example have a few squamules 

 on the under side of the anterior tarsi, and certain Acinopus have the 

 anterior tarsi feebly dilated and the squamules rudimentar3^ 



Group Dapti. 



The genera of this group present certain special characters which 

 require passing mention. In the majority of the genera the eyes are 

 small and beneath widely separated from the buccal fissure. In Daptus, 

 Polpochila, Acjonoderus and Pugonodaptvs the eyes are normal in form 

 and close to the mouth beneath. The mandibles of Geopinus, Daptus 

 and Pogonodaptns are normally decussating, the left overlapping the 

 right with its tip somewhat chisel-shaped and deeply strigose in the 

 first two genera, acute and not strigose in the third. In all the other 

 genera mentioned below the light mandible appears to be shorter than 

 the left and is capable of being drawn more within the mouth, its 

 chisel-shaped tip passing along the obtuse inner edge of the left re- 

 minding me of the manner of the articulation of the lower mandible of 

 the Parrot on the upper or like the incisor teeth of a Kodent. 



Daptus has also a small triangular plate over the insertion of the 

 antennjxi as observed in Ditomus. 



