216 Mr. Westwood on the Affinities of CliniiUwn. 



ciently detailed by Dalman, which I was naturally anxious to investigate, 

 and I did not hesitate to sacrifice my single specimen of the insect, in 

 order to render its description more complete. I shall, therefore, in the 

 first place, endeavour to supply this deficiency, and then to point out the 

 chief characters in which this genus and Clinidium resemble or differ from 

 each other. 



Amongst the characters omitted by Dalman, were those of the trophi, 

 the following being the oply description given by him of them, " Os 

 " durum, et adeo occultatum ut ejus partes in exsiccatis vix enucleandae. 

 " Caput subtus planum mento punctato, flavo-pubescente, anticfe sinua- 

 " to, lobo medio acuto ; Os mandibulis brevibus, palpisque retractis, 

 *' occultatis ; (palpi flavescentes articulo apicali elhptico nudo": — and 

 Latreille merely gives the following description of the trophi in the 4th 

 Volume of the new edition of the Regne Animal, p. 487, " Les mandi- 

 " bules sont, a ce qu'il m'a paru, retrecies et presque tricuspidees a 

 " leur extremite. Le menton est corne, trfes grand, en forme de bou- 

 " clier, termine superieurement par trois dents ou pointes. Les palpes 

 '* sont fort courts." 



Upon a careful examination and dissection of my specimen, I find the 

 following noticeable characters. The posterior angles of the head are 

 rounded — the eyes are oval, lateral, not very large, placed behind 

 the insertion of the antennae, and distinctly reticulated. On a casual 

 view of the insect, it is not improbable that the two large raised 

 lateral and posterior smooth parts of the head might easily be mistaken 

 for eyes, and I am rather inclined to think that Mr. Guilding has consi- 

 dered the parts similarly situated in Clinidium as the eyes, more especi- 

 ally as Mr. Kirby's observations leave the matter in doubt. The lahrum 

 is very minute, and semicircular, with the front slightly produced, and 

 with a short bristle arising on each side in front (Ibid, fig. 1. B.) The 

 mandibles are very minute, being longer than broad, and tridentate at 

 the tips (Ibid. C.) The remaining parts of the mouth are very minute and 

 membranaceous, and are hidden beneath the large mentum. Ihemaxillce 

 are broad at the base, with the apex produced into a narrow long lobe, 

 acute at its tip; the maxillari/ palpi are four-jointed, the first and third 

 joints short, the second about twice as long as the preceding, and rather 

 thickened in the middle, the last joint twice the length of the second, and 

 gradually acute to the tip (Ibid. D.) This last joint is occasionally seen 



