125 



sculptiirinp, and, lastly, by the apical third of the elytra being covered wiih minute 

 tubercles, both on the upper surface and sides. Formerly another species of (Jeuto- 

 rhyncus had been mistaken for the C. Syriles, viz., the C. inaffectatus of Schonherr, a 

 more oblong and more depressed insect, readily distinguished by its femora being 

 dentate, on which account it is placed in a separate section. 



The other species exhibited was the C. tarsalis, of which Mr. Walerhouse bad 

 taken specimens at Erilh, on June 26th, by sweeping. It was found in company with 

 C. sulcicollis, which it much resembles. Like that insect it has a patch of pale (either 

 yellowish or almost while) scales on the sides of the chest, at the angle littween the 

 thorax and elytra, but ils form is more elongate and depressed, and, instead of being 

 dull black above, it is somewhat glossy, especially the elytra, which, moreover, have a 

 slight metallic tint, usually of a bronze hue. In its form it more nearly approaches 

 the C. cyaneipennis, from which it may be distinguished by its dark colouring, and 

 the pale patch of scales already alluded to, and from both the species named it differs 

 in having pale testaceous tarsi. 



Mr. Waterhouse then proceeded to observe that " Mr. Walton, having prepared 

 a Catalogue of the British Curculionidae for the British Museum, and all the desiderata 

 of the Museum British collection being marked in this Catah)gue, be, with his well- 

 known liberality and public spirit, then presented to the public a series of all the 

 species which were desiderata to the Museum, including the unique specimens. 

 Among these specimens thus presented are two British specimens of a Ceutorhynchus 

 bearing the name "tarsalis;'' there is, also presented by the same gentleman, a third 

 insect with the same name, this last having been received by Mr. Walton from Gerinar. 

 With Germar's specimen the insect exhibited by me as C. tarsalis agrees perfectly, 

 as it does likewise with Schonherr's description, but when compared with Mr. Walton's 

 two specimens I notice differences which lead me to doubt if they be the same species; 

 ihey want the metallic gloss on the elytra, are rather more convex, the striae of the 

 elytra are rather more strongly marked, and the interstices are more strongly rugulose; 

 moreover, the tubercles at the apex of the elytra are mcch less distinct. I cannot 

 help thinking that the two insects in question will prove to be varieties of the C. sulci- 

 collis, in which the tarsi are piceo-rufous instead of black. It seems to me probable 

 that Mr. Walton had scmie doubts of this identification, and hence did not introduce 

 the species C tarsalis into his list. An insect which appeared to me to agree with 

 Mr. Walton's I now exhibit : it certainly is a very rare circumstance for C. sulcicollis 

 to have the tarsi ferruginous ; for I have examined an immense number of specimens, 

 and this is the only one I have seen, with the exception of the two specimens in the 

 Museum already alluded to." 



Mr. Waterhouse also exhibited a specimen of Trox hispidus of Laichart, and like- 

 wise a specimen of Criocerisdodecastigma of Panzer, both of which he had reason to 

 believe were English ; he knew not the locality of either, and his object was to call 

 attention to these insects, through which he thought it possible to learn some definite 

 localities for them. 



Of these insects he has possessed a specimen of each for years ; they were given to 

 him by his friends, and were supposed both by him and them to be the nearly allied 

 British species, rj.?., Trox sabulosus and Crioceris r2-punctata. The Trox Mr. W. 

 had long back separated from sabulosus, but could not identify with any description, 

 but recently Dr. Power brought to him for identification a species which appeared 

 to him distinct from others. With this Mr. W. was able to satisfy himself that Dr. 



