216 FAJirr.Y ia-. — dytt-^i rii.i:. 



414 (12971. CcELAMBVS Nt BILLS Lw.. Proc. Phil. Acad. Nat. S<;i.. ISu-j. 20S. 

 Elongate-oval. Head, thorax, legs and antennae dull yellow ; elytra 



with three or four irregular blackish streaks which sometimes merge tn 

 fonn a fuscous cloud behind the middle; under surface black. Length 

 4.3 mm. 



Known from Indiana hy a single specimen taken near Green- 

 i-astle. Putnam County, by Guy Wilson and presented t« the writer. 

 July 9. 



415 (Vif)2). CcELAMBUs ijiPKESso-PUxcT.^TUs Schall., Act. Hal., I, 17S.3, 312. 

 Oblong-oval. Legs, head and apical half of thora.\: reddish-brown; ver- 

 tex, base of thorax and elytra dark brown, cnarsely and deeply punctate. 

 Many of the punctures elongate, confluent; usually three impressed llne'^ 

 on each elytron, reaching to about the middle. Length 'j-o.o mm. 



Lake, Laporte and Marshall countips : scarce. April 23-Au- 

 gust 16. 



Drroncctes deprcssus Fab., dull brownish-yellow, elytra with 

 black lines more or less confluent, length 4.5 mm., and D. griseostri- 

 fdu<i. DeG.. blael?. densely punctate, the elytra often with narrow 

 greenish stripes or even entirely greenish-black, length 4.-5 mm., 

 both range from Xei^' York and Canada to ^lichigan and westward, 

 and perhaps occur in northern Indiana. 



IX. Hydroports Clairv. 1^06. (Gr.. "water -!-to walk."- 



To this genus lielong a larce niunber of small species quite simi- 

 lar in general appearance and therefore difficult to distinguish. 

 They are mostly ovate in form, dark brown in color and have the 

 head never margined in front; the prasternum never truncate 

 behind; s-svimmincr legh fpeble. "Wlie-i captured in a water net. they 

 leap or spring a few inches at a time, much in the same manner as 

 do "click beetles." Tin following species have been taken or may 

 occur in Indiana : 



KEY TO I^.'DIj\NA SPECIES OF HYDROPORI S. 



r 



a. Hind coxal cavities not contigunus. 

 h. Elytra variegated in color. 



c. Under surface blai k or piceous; form oval; length 3. .5 mm. 



41C.. COXCISNVS. 



ri: ruder sinlacc ncldish-lprnwii : form hroadir, more ohtnse in front, 

 iii'irc acute liehiiid ; leii;;th ;;.7 mm. pt U'HER. 



hh. Elytra uniiulnreus. 



d. Cnder surface blarii or pieeotis; prosternal spine laiire. 



