;o2 



The Scottish Naturalist. 



Fr. claws of 6 equal and simple, but very long. Hi. 

 legs often dusky. 3^ 1. B. 

 13. E. without well def. puncs. (exc. irreg. rows of large 

 puncs. ) or sharply def. markings. . 

 E. thickly and dist. (though finely) punc. , and with 

 dist. rows of larger puncs. Brassy. Fr. and back of 



h., sides of th. and e., an., pal., and legs, r. or 

 reddish. Not very wide ; sides rounded. Fr. 

 claws of 6 simple, el. Fr. fern, of 6 set with long 

 yel. hairs. 3 1. B. 

 Obs. punc. B. H. , an. , pal. , legs, and sides of th. , r. 

 E. each with a consp. angulated tr. yel. fasc. near 

 fr., and a spot behind mid. Some dist. rows of 

 puncs. on e. Fr. claws of 6 simple, but very el. 

 Conv. Not very broad. Sides rounded. 3^ 1. E. 

 14. Very shining. Glab. Rather broad and flat; sides 

 little rounded. H. b. ; fr. and 2 spots behind pale. 

 Th. b. with pale mars. E. brown, paler at sides and 

 in fr. , with some irreg. rows of large puncs. An. , 

 pal., and legs, reddish or pit. Fr. claws of 6 el. but 

 simple. 2/^ 1. E. S. I. . 

 Resembles prec. Broader and more conv. with more 

 rounded sides. Very minutely but dist. punc. The 

 rows of large puncs. more dist. Out. claw of fr. tar. 

 of <$ much broader than the in 

 in the mid. } l A 1. E N - 



with a strong tooth 



Dytiscus. 



1. U.-s. (at least partially) test. .... 

 Rather narrow, el. Finely punc. Coxae of hi. legs 



{i.e., a narrow el. plate on u.-s. reaching from breast 

 backw. to ba. of hi. legs) rounded at hi. ap. B. An., 

 pal., fr. of h., and side mars, of th. and of e., test. 

 Fr. legs and a mark on h. more or less r. Hi. legs 

 pit. 13 1. E. S. I. . 



2. Sc. b. U.-s. entirely test. .... 

 - yel. U.-s. spotted with b. Coxa; of hi. legs, long, 



narrow, and ac. pointed at ap. 



3. Coxa; of hi. legs pointed at ap. 

 round at ap. Dark b.-gr. An., pal., legs, fr 



of h., side mars, of th. and of e., and often an obsc 

 fasc. near ap. of e., test. Fr. and ba. of th. obsc 

 pale. 16 1. E."- F - ..... 



4. - - - - obt. pointed at ap. Very like prec. All the 



mars, of th. broadly test. 15 1. E. S. I. . 



- - - very acutely pointed at ap. Very like prec 



Narrower. 15 1. K. i;f - 



5. Very like prec. exc. in the points already mentioned 



14 I. ■£" ..... 



Sturmi 



femoral^ 



undulatus 



paludosus 



uliginosus 



punctulatus 

 3 



5 

 4 



dimidiatws 



marginalis 

 circumcinctus 



circuniflexu^ 



