They are characterized by a small head, long antennae, sessile 

 and opake abdomen, &c. 



10. R. dlspar Hal. 



The sexes are very dissimilar in shape and colour, the male 

 being slender, the female having a white ring round the 

 middle of the antennae, which are black, rufous at the base. 



On Larches in Autumn, Mr. Haliday ; and the female has 

 been taken by Mr. Dale, 



3. testaceus Fab. Taken in Ireland by Mr. Haliday as well 

 as No. 8. 



4. ochraceus Curt. 



This species is the largest I have seen ; it is entirely ochreous, 

 excepting the apex of the antennae, the eyes, ocelli and tips of 

 tarsi. 



Beginning of August in the Regent's Park, J. C. 



1. ater Curt. Black, opake, orbits of eyes and legs ferru- 

 ginous. 



Beginning of June, damp places, Shotover near Oxford, 

 J. C. ; and at Southgate, Mr. F. Walker. 



2. bicolor Spm. Lulworth, Mr. Dale ; and Dover, J. C. 



5. Subucola Curt. Testaceous, postscutellum and base of 

 abdomen black. 



Middle of May, Suffolk, and Woods, Southgate, J. C. 



6. similis Curt. Ochreous, head, excepting the orbits, sides 

 of thorax, postscutellum, basal joint of abdomen, except- 

 ing a spot at the apex, and sides of 2nd segment black. 



7th of May and 25th of July, Coomb-wood, Surrey. 



11. spathuliformis Curt. Macrocentrum, No. 4. of Guide. 

 Similar to the last and probably the male of it ; it is duller, 



and the apex of the abdomen is fuscous. In Nos. 5., 6. and 

 11., the 1st submarginal cell is narrower, and the 2nd longer, 

 than in the five preceding species. 



Beginning of September, Isle of Wight. 



12. balteatus Hal.— Curt. B. E. pi. 512. 



Taken near the Harbour of Donaghadee, by Mr, Haliday. 



7. Gasterator? Spin. — Jur.pl. 8. Gen. 3."^ 



I found a specimen the 10th of July, in a meadow at Eccles 

 in Norfolk, similar to the following, but the basal joint of the 

 abdomen is entirely rufous. 



8. nobilis Hal. " Black, shining, pubescent, mouth collar 

 and legs reddish-ferruginous, apex of posterior thighs 

 and tibiae, and all the tarsi black ; abdomen rugose, 

 rufous, 1st segment with a black spot at the base, pos- 

 terior portion smooth shining black, with golden pubes- 

 cence. 



On Umbelliferae near Holywood, Mr. Haliday; Monk's 

 Wood, Mr. Dale. 



9. rugulosus Ess. Taken by Mr. Haliday in Ireland. 

 The Plant is Iberis {Tecsdalla) jiudicaulis (Naked-stalked 



Candy-tuft), communicated by W. W. Saunders, Esq. 



