Biological Papers. 143 



Family Gyrinid^. 

 1515 Gyrinus plicifer Lee. At both camps. 

 1533 Dineutes sublineatus Chev. 



Family Hydrophilid.^:. 



1587 Hydrophilus insularis Lap. Tucson. 



1588 Tropisternus limbalis Lee. 



1594 ellipticus Lee. Tucson. 



1600 Berosus punctatissimus Lee. 



1605 styliferus Horn. • 



1610 immaeulatas Zimm. San Bernardino ranch, 1905. 



1634 Philhydrus diffusus Lee. 



Family Silphid^. 

 1705 Silpha truncata Say. 



Family Staphylinid^, 

 2059 Aleochara nitida Gray. 

 2164 Philonthus semiruber Horn. 

 2182 alumnus Er., var. atriceps Fauvel. San Bernardino ranch, 



1905. 

 2495 Cryptobium pimerianum Lee. San Bernardino ranch, 1905. 

 2701 Osorius planifrons Lee. 



Oxytelus, undetermined species. 



Family Scaphidiid.e. 

 2980 Scaphisoma eastaneum Mots. 



Family Phalacrid^. 

 Eustilbus viduus Casey. San Bernardino ranch, 1905, 



Family Coccinellid^. 

 3046 Hippodamia convergens Guer, At both camps. 

 3065a 011a abdominalis Say, At both camps. 

 3083 Exochomus marginipennis Lee. 



arizonicus Casey. Tucson. 

 9900 Thalassa montezumae Muls. Tucson. 

 Hyperaspis centralis Muls. 



undetermined species. 

 Scymnus virginalis Wiekham. 



Family Endomychid^. 

 Epipocus subcostatus Gorham. 



Family Erotylid^. 

 3219 Ischyrus 4-punctatus Oliv. 



Family Cryptophagid.e. 

 Anoboeoelus championi Sharp. 



Family Dermestid^. 

 3418 Dermestes marmoaatus Say. 

 3420 caninus Germ. 



3423 carnivorus Fab. 



3426 elongatus Lee. Tucson. 



Cryptorhopalum obesulum Casey. 



