Since the genus Alysia was illustrated, the present group has 

 been discovered by Mr. Haliday, to whose liberality I am in- 

 debted for the species I possess; and Mr. F. Walker has fa- 

 voured me with his collection, to enable me to arrano-e and 

 give slight characters of the whole. ^ 



The species have been taken by the former gentleman in 

 Ireland, from July to September, in moist meadows, and by 

 the latter near Southgate as early as the end of June. The 

 length of the antennae is probably only a sexual character, and 

 I suspect the species depart considerably from the type, in the 

 form of the female abdomen, and one is destitute of wino-s 



1. C. anceps Curt. Brit. Ent. pi. 289. July, amongst'' lon^ 



grass in drains. ^ 



2. C. gracilis Ha/.— Slender, black; legs testaceous, 4 poste- 



rior thighs piceous, tarsi fuscous. Nearly as laree as 

 No. 1. -^ fe 



3. C. elegans i^a/.— Probably a small var. of No. 2. 



4. C. viduus Hal. — Black, abdomen piceous, anterior thifvhs 



beneath and tips of coxse ochreous. ^ 



5. C. obscurus O/r^.— Similar to No. 4. but smaller: legs ochre- 



ous, 4 posterior thighs and tibiae, except at the^base, pi- 

 ceous, tarsi fuscous. 



6. C. similis Curt. — Smaller; the legs brighter. 



7. C. affinis Hal. — As large, and more robust, than No. 2 : 



anterior thighs and tibiae ochreous. 



8. C. fuliginosus Curt.—lAkQ No. 7, with a rufous spot on the 



body; the anterior thighs and tibiae, and the coxae and 

 tibiae of intermediate legs, ochreous. 



9. C. cingulatus Hal.— As small as No. 6: abdomen pale pi- 



ceous, ochreous in the centre, legs ochreous, thighs and 

 apex of tibiae of 4 posterior and tarsi, fuscous. ° 



10. C. rufinotatus Curt.— More robust, the black and ochre 



more bright ; antennae, excepting the basal joint, 

 ochreous. 



11. C. brevicornis Hal.— Antennas short, ochreous at the 



base : abdomen piceous, ochreous in the centre : legs 

 bright ochre, apex of 4 posterior thighs, tips of hinde'i', 

 tibiae, and tarsi piceous. 



12. C.apterusCW/.— The smallest. Wings none. Testaceous; 



head, extremity of antennae, apex of abdomen, and tips 

 of tarsi, blackish. 



The plant is Lythrum Salicaria (Purple-spiked Willow- 

 herb). 



