FOSSIL COLEOPTERA I9 



A. ABYSSA n. sp. (Plate IT, Fig. 2.) Form rather stout. Head and 

 prothorax not showing any details of sculpture other than a fine scabrositv. 

 But one elytron remains entire, which is strongly sinuate externally and 

 blunt at the tip, the surface scabrous, probably from the sculpture showing 

 through. Legs wanting. Length, from front of head to tip of abdomen, 

 7.75 mm.; of elytron, .5.50 mm. Width of elytron at postmedian bulge, 

 1.25 mm. 



Station number 17. One specimen, collector not specified. The type is 

 in the Museum of the University of Colorado. 



The specimen lies on its back, so as to present a ventral view. 

 It differs from A. schaefferi in the shape of the ehi:ron and in 

 the generally stouter form, and I think is undoubtedly distinct. 

 The front of the prosternum shows at the middle and is rather 

 faintly arcuately prominent. On account of distortion, I have 

 not attempted to describe the thoracic outline. 



Ptropyga Mot sell. 



P. PRIMA n. sp. (Plate Y, Fig. 3.) Form about like that of the recent 

 P. decipiens, the prothorax covering the head in a similar manner but the 

 upper cephalic outline shows through the expanded front margin of the 

 pronotum. Antennae and eyes not definable, elytra about two and one-half 

 times the length of the prothorax. Sculpture of entire upper surface ob- 

 scure. Abdomen banded as shown in the figure. Length, from front mar- 

 gin of prothorax to the abdominal tip, 5.60 mm. ; of elytra, 3.60 mm. 



Station number 14. One specimen, collected by Mrs. W. P. Cockerell. 

 The type is in the Museum of the L'niversity of Colorado. 



This looks like the recent species of Pijropyga and I have no 

 doubt that it belongs in the near vicinity of the genus. 



EuDASTTiTES n. gen. 



This name is proposed to accommodate a species belonging to the Mala- 

 chidae and probably to the tribe Dasytini. Lacking antennae and legs, a 

 closer determination cannot be made at present. The genus may be con- 

 sidered a magazine for the reception of the type. E. list rif or mis. described 

 below, and such other fossil forms of the same general nature as show 

 affinities too obscure to be made out with certainty. It should be made 

 up of fossil Dasytini of a slender build and coarse sculpture, with vestiture 

 inconspicuous or wanting. 



E. LiSTRiFORMis n. sp. (Plate II, Fig. 14.) Form elongate, probably 

 subparallel in life but by pressure the elytra are spread and the abdomen 

 is distended. Head small, rather narrow. Antennae wanting. Eyes not 

 definable. Prothorax nearlv twice as wide as long, somewhat distorted so 



