BEETLES OF THE DISTRICT OF COLVMr.IA—VLK E. 



LIST OF SPECIES— Continued. 



ANTHRIBID.E. 



2954. Eiir;/iniirterf<(sci(ttii.<i Olivier. 



2955. Tropi'Jfir.-: I,iiiiarnl<d>i.'< Olivier. 



2956. rertiis Le Cunte. 



2957. Hormlscus saltator Le Conte. 

 295S. Tu-ofrnpis pusilttis Le Conte. 

 2959. fasciaiiis Le Cont(\ 

 29()0. Eii}<pli!/ri(s irahhii Le Conte. 



2961. I'li'ZdCdriiniis (Jlspar Gyllenhal. 



2962. ma'stus Le Conte. 

 296;^. iiiirtns Le Conte. 



2964. Aiitlirlhiis ronniliia Say. 



2965. Cndcp'iris IkikiIiis Fabricius. 

 296(i. lugubris Olivier. 

 29(>7. Hrdcliiilari^Ki^ allernatun Say. 



2968. Hmhdliis Say. 



2969. lomenloxiis Say. 



2970. rur legal i(x Say. 



2971. Anthrlhnlus rotnndalns Le Conte. 



2972. Choragus zhnmermmmi Le Conte. 



2973. sayi Le Conte. 



2974. nitens Le Conte. 



2975. En.revns pimctatns Le Conte. 



ECOLOGICAL NOTES. 



CICINDELIDyK. 



Tetracha rirginica, not eoiuiuon; .-^inule 

 specimens have been found at various 

 plaees. 



CicimJehi rugifrons, on the hills near Ben- 

 nings Station, not rare many years ago, 

 but not found again; scxguftatd, com- 

 UKin in tlie woods in early s]iring; /»"/•- 

 pnrca, i-are; nil/jariK and rcpandd, com- 

 mon everywhere on ujicn sandy places, 

 especially near water; liiiiicnlli.<< and 

 margiiiata, on sand ))ank8 of the lower 

 Potomac, where the water begins to be 

 l)rackish; jjhhc^h/o/^, our commonest 

 species, abundant in the streets and 

 attracted by electric lights; rnfiventris, 

 not rare in the fall, across the Free 

 Bridge, also found at Bladensburg 



CARABID/E. 



Omophrdii lahidtinn, hitherto only found 

 at electric lights in June; diiievlcduntn, 

 common along the Potomac and Kast- 

 ern Branch. 



Cijclmis stenoslomus, in woods at various 

 places during the whole year; elevatns, 

 W^e ste7iostomus, not common; tmicolur, 

 across the Free Bridge, not rare in 

 former years; ridw »."-•, found only once 

 near Chain Bridge. 



Cardhus. All species are found in woods 

 at various places; limbatn,^, very com- 

 mon; stjlvosus, rather rare. 



Calosoma. All species are extremely 

 abundant at electric lights, but not 

 commonly found elsewhere. 



E/dplirii.^ riparius and ruxrurius, on mud 



l)anks along streams. 

 Xdtidpliilax. The species are common in 



dry woods under old leaves. 

 Xrhria pdUipe>i, common along water 



courses. 

 Pasimackus depresi^us, rather common 



under stones and logs in dry places; 



sKhhrfis, the same, but rare. 

 Srarilfs xiihtfrrdnniK, very common every- 



wlici-e under stones in the ground. 

 I>)/srliiriiis (jldhiildxHx, common under 



leaves in rather wet places; hxmorrhoid- 



dlh, near pools of stagnant water; 



npJusricollis, along the Potomac; pmnllus 



and pilosus, the same. 

 Clivina punctigera, only a few specimens 



were found at electric lights; planicollis, 



rare; all the other species are common 



along the Potomac and Eastern Branch, 



under stones in moist places. 

 Axpiilnf/liissn snliiinipdata, along the Poto- 

 mac, net cotuuiun, but more abundantly 



found at electric lights. 

 Sclii:<iiiinnix. alHuidant along streams. 

 Ardistoiiilx dhli(pidld, not connnon, on the 



Eastern Branch, near Bennings; viridis, 



very abundant along the Potomac. 

 Panagxus fasciatus, on grassy hills under 



fiat stones, not uncommon at electric 



lights. 

 Bemhidiuin pnnrtdtoxtriaium . This and all 



the other species occur along the water 



courses, especially on sandy and pebbly 



places. 

 Anilbts fortix, our only blind Carabid, 



found under deeply interred stones. 



