446 bulletin: museum of comparative zoology. 



Tyye.— No. 2,502 M. C. Z. Florissant, Col. (No. 930 S. H. Scud- 

 der Coll.). 



I have placed this fossil in Polemiiis rather than in Telephorus 

 chiefly on account of the heavy antennae. The posterior half of the 

 elytra is darker than the anterior l>ut I am not at all sure that this is 

 due to any difference in color in the living insect, it seems more likely 

 the result of scaling off of a portion of the metamorphosed chitin 

 when the stone was split. 



Trypherus aboriginalis Wickham. 



Two specimens, one with counterpart. No. 2,503-2,505 M. C. Z. 

 No. 8,586, 8,499 and 8,651 S. H. Scudder Coll.). They show no 

 important characters not brought out in the original description. 



MALACHIIDAE. 



Collops priscus, sp. nov. 

 Plate 5, fig. 3^. 



Form, in life, apparently similar to that of the recent C. bipujictatus 

 but as preserved the abdomen is greatly distended, presumably by 

 maceration. Head with rather indistinct outline, sculpture not dis- 

 cernible, antennae short, stout, first joint elongate, second much longer 

 and distorted by the production of the inner apical angle, the third, 

 fourth, fifth, sixth, and seventh, subtriangular, moderately serrate, 

 eighth damaged, remainder not definable. Prothorax about as long 

 as the head, no defined sculpture. Elytron nearly smooth but with a 

 sparse covering of rather long black hairs. Legs slender. Length, as 

 preserved, 5.70 mm.; of elytron, 3.60 mm. 



Described from one specimen with counterpart. 



Type.— No. 2,506, 2,507 M. C. Z. Florissant, Col. (No. 8,140 

 and 9,307 S. H. Scudder Coll.). 



The form, vestiture, antennae, and abdominal segmentation all 

 point to the above generic reference. Measured from the front of the 

 head to the elytral apex, this insect about equals in size the living 

 North American C. hirtcUus which occurs from New Mexico to Nevada, 

 Washington, and the Saskatchewan. 



