342 



The Scottish Naturalist. 



p.-s. ; 



il£-i z 



and legs, test. E. test, with b. marks. E. 

 the puncs. in the str. close and not large 



- - gently conv. H. and th. dull brassy. E. brassy 

 or brassy brown. An. , pal. and legs test. ; b. half 

 of fern, dusky. Central fov. of th. with a dist. pit 

 in fr. E. p. -s. ; the puncs. in the str. close and 

 not large. A narrow el. species. Th. not conv. 

 J%\. S.I. ...... 



- - - -. H. and th. dull brassy. E. obsc. brassy 

 test. An. , pal. , and legs, test. Th. somewhat conv. 

 longi. E. p.-s. ; the puncs. in the str. large and 

 not close. i^$ 1. B. . . . , 



- - narrow and elev. H. and th. cop. or gr. E. 

 test, with some b. marks. An., pal., and legs, test. 

 Interm. furrows on th. only slightly bent. E. p.-s. ; 

 the puncs. in the str. close and not large. A narrow 

 species ; pointed behind. \]/% 1. I. 



Coloured much as ceneipennis, but less 

 brassy. Th. conv. longi. E. not dil. behind mid., 

 p.-s. ; the puncs. in the str. strong and not very 

 close. Th. as wide as the e. Ap. j. of pal. some- 

 times b. i}i 1. E. s - .... 



Hydrochus. 



1. Some of the mts. of e. strongly elev. 



The ints. hardly elev. E. fully twice as long as to- 

 gether wide, with rows of large puncs. H. and th. 

 strongly punc. Surface of th. uneven. Brassy or 

 gr. Legs pal. and an. more or less r. I ^ 1. B. 



2. Sut. and alt. ints. regularly elev. 



- - 2nd, 3rd, 4th, 6th, and 8th ints. of e. elev. : 2nd 

 and 4th only in fr. , 3rd only behind. Th. with 5 

 deep fov. Otherwise resembles angustatus. I ^$ 1. 



3. E. consp. less than twice as long as together wide ; 



widest behind mid. ; with rows of strong puncs. 

 H. and th. strongly punc. Th. with 5 consp. fov. 

 B. Tib., tar., an. and pal. often pit. r. \% 1. E.*- S. 

 Very like prec. E. parallel, quite twice as long as to- 

 gether wide. \y z 1. E. F 



OCHTHEBIUS. 



I. The 5th int. of e. not consp. elev.. . . . 



Brassy or gr. Legs r. Th. contr. behind ; with some 



furrows. E. strongly p.-s. ; 5th and 7th ints. consp. 



elev. A wide species ; sides strongly rounded. 1 1. 



Bi 



griseus 



planicollis 

 Thorns. 



aeneipenms 



brevicollis 

 Thorns. 



laticollis 

 Thorns. 



angustatus 

 3 



elongatus 



brevis 

 carinatus 



exsculptus 



