(Pa^e 431) 

 Fronotum on the dorsum with two parallel longitudinal punctate 

 rows, on each side with an anteriorly curved punctate rovj : 

 2. Subgenus Nudoblus Thorns.- Elytra and legs yellowish-red. 

 L, 7-8 mm 2. X. lentus :>ravh. 



3. Sides of head beneath and back of eyes planate, densely punctate, 



behind eyes with a smooth, some; nes feeble ridje: 3. Subgenus 



jyrohypnus Steph 4. 



Sides of head smoothly convex, not densely punctate: 4. Subgenus 

 Xantholinus s. str 6. 



4. Pronotum with 4-6 punctures in each dorsal rov. 5. 



Pronotura with 8-10 punctures in each dorsal row, with modified 



shine. L. 6-7 mm 4. X. angustatus Steph, 



5. The lines which bejin wt the corners of the mouth, at middle of 



ventral side of the head ai e confluent forming froc there to 

 the neck the middle-line of the head, (gula suture). L. 7-8 



mm ?. X. punctulatus Payk. 



Ihe lines which begin at the corners cf the mouth, approach each 



other at middle of ventral side of head, but are not confluent, 

 they run side by side, narrowly separated, down to the neck. 

 The species smaller and narrower, myrmecophil. L. 6-'' mm.... 



5. X. atrarus Heer. 



e. Pronotal sides with a regular, of rather few (5-9, punctures con- 

 sisting, and anteriorly outward curved row 7. 



Pronotal sides with scattered punctation, or that of meny punctures 

 consisting row, more or less interupted 8. 



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