81 



to the first section, intricatus and rugulosus to the second. S. rugulosus may be at 

 once distinguished from its near ally (intricatus) by its smaller size, deeper, coarser 

 and rugulose sculpture, aud by the punctures on the interstices of the elytra, arranged 

 in regular rows, being of equal depth and size with those of the true or normal striae ; 

 in rugulosus, moreover, the apex of the elytra is usually more or less broadly red. I 

 would further remark that the beautiful series of specimens, which I owe to the kind 

 forethought of Mr. Groves, has enabled me to determine a solitary individual in Mr. 

 WoUaston's collection, taken by that gentleman, several years since, at St. Neot's, and 

 which has long caused me much perplexity, but which I have now no doubt is refer- 

 rible to the S, rugulosus. In conclusion, I would earnestly recommend this genus to 

 the careful attention of my brother entomologists, as offering an ample field not only 

 for the discovery of new species and the augmentation of their collections, but for elu- 

 cidating a question of vast importance to the community at large, and to which I have 

 already adverted." 



Mr. Westwood said that he had examined the Scolytus exhibited by Mr. Janson, 

 and he thought it was described by Kollar in his work on insects injurious to gar- 

 deners and foresters, and of which the Misses Loudon had published an English 

 translation, under the name of S. haemorrhous. 



Mr. Janson replied that he was well acquainted with the work alluded to by Mr. 

 Westwood. He certainly had not referred to it with respect to the new British Sco- 

 lytus, for his impression was that it was a popular treatise, and he believed that no 

 strictly scientific descriptions were to be found in it ; he would, however, look into the 

 matter. If Kollar had really recognizably described the insect under the name of 

 haemorrhous, and such description was anterior in publication to Ratzeburg's descrip- 

 tion of rugulosus, there was but one course to pursue. 



Mr. Janson also exhibited the following Coleoptera, which he had just received 

 from Mr. Foxcroft: — 



Dictijo-pterus Aurora, male and female, which Mr. Foxcroft, in his letter, dated 

 Kinloch Rannoch, July 3, states feeds in black fir, of which the woodwork of the 

 houses entirely consists, and where he had met with this insect, as well as in decayed 

 stumps of that tree in the forest. 



Elaphrus lapponicus, of which Mr. Foxcroft writes that he had recently captured 

 two or three examples near some springs, at an altitude of about 3000 feet, and which 

 he had not previously succeeded in finding. 



Mr. Groves brought for distribution a quantity of living specimens of the Scolytus 

 exhibited by Mr. Janson ; he also exhibited portions of dead branches of the pear tree 

 infested by these insects. 



Mr. Westwood observed that at the last meeting Mr. Smith had exhibited the nest 

 of a Brazilian species of Polistes, some of the cells of which were tenanted by Try- 

 poxylon fugax. He had now an equally interesting fact to record, having lately had 

 a portion of a comb of the hive-bee brought to him in which some of the cells were 

 filled with larvae of Lepidoptera stored up by solitary wasps, Odynerus Antilope, which 

 had evidently taken possession of the cells for their own breeding purposes. 



Mr. Westwood exhibited some leaves of a species of Bauhinia, collected by Dr. 

 Livingstone and placed in his hands by Dr. Hooker, on which were some singular 



M 



