• 



14 The Scottish Naturalist. 



2. An. never cl. at ap. Not aquatic. Tar. all 5 j. (easy 



to count) ...... 3 



- -. - - 4 j. (easy to count). An. straight, 



never cl. Pen. j. of tar. very deeply bil. and much 

 shorter than the prcc. together .... 4 



-----. Aquatic ..... Hydra dephaga 



- various ....... 5 



3. Ant. tib. dis. notched on in. mar., or sharply spined at ap. Geodephaga 



- - plain. Th. more than twice length of h. , and acute- 



ly prod, at hi. angs. .... Elateridae 



4. H. not deeply sunk in th., with 2nd j. of an. much less 



than % length of 3rd, or with eyes notched, or with 



both . . . . . . ' Longicornes 



An. much thickened towards ap., and 1st j. of 3rd tar. 



much longer than the 2 following together . Bruchidae 



Not possessing the characters of either of the 2 prec. . Eupoda 



5. Tar. all 5 j. (easy to count). Pal. longer than an. . . 6 

 ........ . not longer than an. .... 7 



- - 4 j. (easy to count). An. elbowed, or ros. prod, as 



a snout, or both ..... Rhyncophora 



- various, but with less than 4 js., often not easy to count . 8 

 3rd tar. 4 j. ; rest 5 j. (easy to count) . . . Heteromera 



6. 1st j. of 3rd tar. evidently longest . . . Sphaeridiadae 

 not evidently longest .... Hydrophilidae 



7. 1st and 2nd pairs of legs meeting at ins., 3rd remote 



from them ...... Buprestidae 



------ not close together. Hi. angs. of th. acutely 



prod, backw. An. much thickened (or serr.) to- 

 wards ap. . . . . . . Eucnemidae 



---- not acutely prod, backw. 



An. elbowed, with a foliated cl. . . Lamellicornes 



( Malacodermi 

 • • * not asm prec. j Necrophaga 



8. Tar. with 3 broad js. (easy to count). Ins. of an. near 



other, between the eyes .... Endomychidae 

 - - - far apart, in fr. of the eyes . Coccinellidae 



,, S Sphaeriadae 



- I or 2 j. Species very minute . . j Trichopterygidae 



- 3 j. Species small, but rarely less than % line . Lathridiidae 



TABLE OF FAMILIES OF GEODEPHAGA. 



I. Ant. tib. not dist. notched on in. mar. .... 2 



- - dist. notched on in. mar. H.-b. consists of not more 



than 6 segs. ...... 4 



- - - more than 6 segs. . . . B*achiiud» 



