114 RHYNCHOPHOBA.. [Chomr/ina . 



to Europe, the single species of Arceocerus, which is found on the Con- 

 tinent, being evidently an importation ; they may be known from the 

 preceding tribe by having the antennae inserted on the upper surface 

 of the rostrum with the point of the insertion visible from above : the 

 rostrum is very short. 



CHORAGUS, Kirby. 



Five species are comprised in this genus, three from Europe and two 

 from North America ; one only is found in Britain ; it is a small dark 

 insect with the body subcylindrical and the elytra rather strongly 

 sculptured ; the larva is described at length by Ferris (1. c. p. 358) ; it 

 burrows into dead wood of whitethorn and chestnut, but its galleries 

 are not extensive as during the four or five months of its life they 

 only attain a length of 7-8 mm. ; the chief peculiarity of the genus 

 is that its members have the power of leaping strongly developed, a 

 fact from which it derives its name. 



C. Sheppardi, Kirby. Oblong, subcylindrical, very finely pubes- 

 cent, black or fuscous black, with the base of antennae, and the tibiae 

 and tarsi ferruginous, the former being often partially dark ; antennae 

 with the two first joints thick, 3-8 slender, 9-11 forming a club; eyes 

 entirely lateral, forehead broad ; thorax dull, narrowed in front, sculp- 

 ture extremely close, consisting of very minute round, slightly raised 

 tubercles, base with a strong straight sharply raised transverse carina ; 

 elytra slightly shining, with rows of coarse punctures, pygidium exposed, 

 interstices very finely sculptured ; legs moderate, tarsi rather stout. 

 L. 1| mm. 



In dead twigs in hedges, &c. ; also sitting on the trunks of trees on or near the 

 roots; rare; Chatham, Sevenoaks, Claygate, Ripley, Cowley, Kegworth, Chatham, 

 Croydon ; Barham, Suffolk ; Newmarket Heath ; Littlington, near Cambridge ; 

 Kingsgate, near Margate (where I have taken several specimens in a small plan- 

 tation witli the Rev. T. Wood, all sitting at the base of trunks of trees) ; Deal (on 

 several occasions) ; Salford Priors, near Evesham ; Repton, Burton-on-Trent; Ripon ; 

 Dunham Park, Manchester ; the species resembles a Cis or Dryophilus and is pro- 

 bably often passed over; it may be easily known by its power of leaping. 



RHINOMACERID^: (Nemonychidse, H. R. W.). 



This family, which is extremely limited, containing as it does three 

 genera, each represented by a single species, forms a transition between 

 the Platyrrhinidae and the Curculionidae ; to the former it is allied by 

 having the maxillary palpi normal and flexible, the labrum distinct and 

 the antennas straight, while by the more developed rostrum and general 

 appearance its members approach the Rhynchitina ; certain of the species, 

 moreover, bear a strong analogy to some of the Heteromera, as for in- 

 stance Rhinosimus and Myderus ; in the Curculionidae proper the 

 maxillary palpi are quite abnormal, being rigid and conical, with the 



