On Aquatic Carnivorous Coleoptera or Dytiscide. 405 
Mas, tarsis anterioribus sat latis, unguiculo interno sat abbreviato et incrassato. 
This pretty little species is readily distinguished from its allies by the extreme 
minuteness of the fovea on the middle of the thorax, and by the markings of the 
elytra. The elytra are pale yellow, with the suture narrowly black, and with a 
black line near the suture which reaches neither to the base nor the apex, and is 
thickened at its termination, while outside this line are two black spots. I have 
seen only two males. 
Persia, Mesopotamia, (Dr. C. Millingen). 203. 
414, Coelambus orthogrammus, n. sp.—Oblongo-ovalis, sat eclongatus, sine 
pubescentia, nitidus, testaceus, abdomine, pectore elytrisque lineis elongatis nigris ; 
prothorace medio foveola minuta; elytris basi obsolete, apicem versus crebre 
subtiliter punctatis; corpore subtus fere opaco, coxis posterioribus parce subtiliter 
punctatis. Long. 4%, lat. 25 m.m. 
This species is very much smaller than D. parallelogrammus (No. 416), and is 
more finely and sparingly punctured; it resembles Hydroporus lernzeus extremely 
but is broader in proportion to its length, and more finely and sparingly punctured. 
The only individual I have seen is a female. 
Persia. 202. 
415. Hydroporus lernzeus, Schaum, M.C.—Oblongo-ovalis, elongatus, angustulus, 
sine pubescentia, nitidus, testaceus, abdomine pectoreque, thoracis macuia media 
elytrisque lineis elongatis nigris; prothorace medio foveola minuta ; elytris pone 
basin dense, basi inzequaliter (punctis majoribus parcis), punctatis ; corpore subtus 
subopaco, coxis posterioribus sat crebre punctatis. Long. 44, lat. 23 m.m. 
Mas, tarsis anterioribus et intermediis sat dilatatis, anterioribus unguiculo interno 
minuto, crasso, valde curvato. 
Very closely allied to Dytiscus parallelogrammus (No. 416), but smaller and 
narrower, and with the elytra at the base only bearing a few large punctures. 
According to Schaum, the female is shining like the male. 
Greece, Egypt, Syria. 201. 
416, Dytiscus parallelogrammus, Ahrens, Hydroporus parallelogrammus, M.C.— 
Oblongo-ovalis, elongatus, sine pubescentia, testaceus, abdomine pectoreque, thoracis 
macula media elytrisque lineis elongatis nigris; prothorace medio foveola parva ; 
elytris dense punctatis, punctatura basi ineequali, punctis majoribus parcis ; corpore 
subtus fere opaco, coxis posterioribus sat crebre sed sub-obsolete punctatis. Long. 
4¢, lat, 22 m:m, 
3 G2 
