TRANSACTIONS 



ENTOMOLOGICAL SOCIETY 



LONDON. 



Longicornia Malayana ; or, a Descriptive Catalogue of the 

 Species of the three Longicorn Families Lamiidse, 

 Cerambycidae and Prionidse, collected by Mr. A. R. 

 Wallace in the Malay Archipelago. By Francis 

 P. Pascoe, F.L.S., Pies. Ent. Soc. 



The large private collection of Longicornia formed by Mr. 

 Wallace during his researches in the Malayan Archipelago having 

 come into my possession, I have undertaken to describe all the 

 species which it contains. Mr. W. Wilson Saunders, with his 

 usual liberality, has offered to contribute towards the expense of 

 the plates, and the Council of the Society has determined to pub- 

 lish the descriptions in a continuous form, so that the whole may 

 be bound up eventually in one volume. 



Until I have thoroughly gone through and described the whole 

 of the collection I can only give an approximate estimate of its 

 extent. There may probably be something less than a thousand 

 species;* upwards of eight hundred of these may be calculated 

 on as being new to science. With so great a number to be dealt 



• I use the word " species" to embrace " all individuals having such a mutual 

 resemblance between themselves as leads us to infer a common parentage." This 

 definition certainly does not allow us to distinguish absoltttelij a variety from a 

 species, but in the absence of positive certainty of the fact, I think it is always as 

 well to treat as a species any maiked departure from the ordinary form, until we 

 have some proof of its specific identity. 



VOL. III. THIRD SERIES, PART I. SEPT. 1864. B 



