'IHK (IliOlINn r.KKTLES. 5!) 



Iljinj; lilt' iniihlinrs uf till' third. I'lmrlli ;iinl soveivtli iii(cvv;ils liii»^ liiil 

 distinct, eacli beariug a long iiair readily visible under a lens when viewed 

 from the side. Leugtli 3 mm. 



Posey and Clark eoiintit^s; i-ai-c April 18-]\ray 6. Taken from 

 beneath boards on tlio banks of the AVabash and <^hio I'ivers. 



XII. Clivina Lat. 1(S02. (A proper name.) 



Small black or reddish itrown species closely allied to Dyscliirius 

 but having the thorax more or less quadrate, the sides either strong- 

 ly obliciue or rounded near base; the disk with a median impressed 

 line. Palpi similar in both sexes, not dilated nor excavated in the 

 male. They occur in damp places, along streams and lakes, and 

 may be captured by throwing water on their burrows and then 

 picking them up as they emerge. Some of the species, as probably 

 some of the Dyschirius, hibernate in the perfect stage. Twenty- 

 two species are known from the United States. Of these seven 

 have been taken in Indiana. whiU^ three others perhaps occur. 



KEY TO INDIANA SPECIES OF CEIVINA. 



it. Middle tibije witli a spur uear tlie outer tip; clypeus with a IdIk' each 

 side; dorsal punctures of elytra tliree or more. 



b. Front femoi-a dentate near the tip: coh.f black. 59. dentipes. 

 hi). Front femora thickened, imt dentate; color reddish-l)rowii or piceous. 



c. Vertex sulcate. 

 (/. Vertical groove deep and long; head sparsely punctate behind 

 theejes; larger, (.;-G.5 mm. 00. impressifrons. 



dd. Vertical groove shorter, more shallow: head and thorax punc- 

 tured; smaller, 5-5.5 nun. til. punctigera. 

 ce. Vertex not sulcate; head and thorax smooth; basal angle of 

 thorax dentate. 02. kchicunda 

 (iti. Middle tibias without a spur on the outside of tip. 



c. Clypeus with a lobe each side; front of head with a pit: front 



femora beneath deei)ly sinuate near the tip; dorsal punctures 

 three or more. 

 f. Color in part or wholly brownish-red. 

 (J. Elj^tra entirely light bi'ownish-red. 03. rufa. 



<l(j. Elytra brownish-red with a broad black suture. coeeakis. 



/"/. Color black; legs dark reddish-brown, antennae paler. 



04. AMERICANA. 



ec. Clypeus rounded at sides: front femora thickened, not siiuiate be- 

 neath ; dorsal punctures two or none. 

 /(. Vertex sulcate : thorax elongate : color reddish-brown. kekkea. 



/(/(. Vertex not or faintly sulcate: thorax subquadrate; black, elytra 

 with reddish spots. 

 /. Thorax nearly smooth. 05. BiPusTrEATA. 



it. Thorax punctate. postra. 



