194 FAMILY II. CARABID.^. 



Horn. — "A Keview of the Sper-ies of Anisodaetyliis Inhabiting 

 the United States," hi Proc. Amer. Phil. Soc, XIX, ISSO. 

 162-17S. 

 //or».— "Sj-noptic Table." in Bull. Brook. Ent. Soc. Ill, 1881, 



83. 

 All! Hit 42 species are known from the United States. 19 of which 

 have been taken in Indiana, while one other may occur. For con- 

 venience tlie Indiana species are separated into three groups or sub- 

 t;('iiera. 



KEY TO GROUPS OF ]XDI.iN.\. SPECIES OF AA'ISODACTTLUS. 



"«. Terminal simr of front tibiue norninl, slender; species hairy or glabrous. 



«. Terminal sjmr of front tibise abnormal, either trifld or dilated at middle. 



h. Terminal spur trifid. i. e., with a blunt tooth each side near base; 



species glabrous. Group Ji. 



hh. Terminal spur dilated at middle, without teeth at base; species 



usually glabrous. Group B. 



Group C. 



GbOVP a. (TKlPUiCTUS.') 



Oblong-oval speiies having the hind tarsi slender, as long as 

 the tibia?, the tirst .joint as long as tlie next two. the fourth emargi- 

 rate; eh"tra striate, intervals smooth, ihe third with one or more 

 dorsal pnnctnres ; tips distinctly sinuate. But two species of this 

 group have been taken, though another may occur. 



KEY TO IXDIAKA SPECIES OF GKOUP A. 



■i-. I'rosternum at middle smooth, not pubescent; clyi)eus with oue bristle- 

 bearing puncture on each side. 

 J). Surface shining, black; legs black. dulcicolus. 



hb. Surface opaque, distinctly alutaceous : thorax narrowed from base 

 to apex, widest at base. oLU. kisticus. 



(/((. rriisternnm at middle punctured and pubescent; clypeus with two bris- 

 tle-bearing punctures each side; thorax nearly as wide at apex as at 

 base, 365. cakboxabius. 



A. dulcicflUis Laf.. 11 mm. in length, is l\Il0^vn from the Gulf 

 states and iMissonri. and may occur in southwestern Indiana. 

 *.3C4 (IISO). AxisooACTYLVs RUSTicrs Say, Trans. Amer. Phil. Soo., II. 



1S23, 312 ; ibid. II, 460. 

 Obloug-oval. Brownish-black ; base of antenuje and 

 regiiin of hind thoracic angles reddish-brown; legs pioe- 

 ous. Thorax broader than long, as broad at base as 

 elytra ; sides feebly curved, hind angles obtuse : basal 

 impressions rather shallow, not punctured. Elytra rather 

 deeply striate ; intervals convex, the third with oue to 

 four dorsal punctures behind the middle. Length 9- 

 14 mm, (Fig. 100,) 

 (.Original.) ' Common throughout the State, especially so in 



