APPENDIX. 



(1) Tarns snturalis (p. 3). Specimens of this iasect have been lately com- 

 municated to me by T. S. Leacock, Esq. of Fim-chal, from the Ponta Sao Loui-engo, 

 — the nearest portion of Matleh'a proper to Porto Santo (on which island, as already 

 stated, it aboimds). This discovery is of the greatest interest in a geographical 

 point of view, as supplying another instance of the close resemljlance of the fauna 

 of the Sao Loiu'en90 promontory to that of Porto Santo, — a similarity which the 

 Terrestrial ^Eollusca moreover of the two districts would no less tend to confii-m. 



(2) Scar'ites abbreriatiis (p. 11). Two examples, stated to have been brought 

 from the Ilheo Bugio (the Southern Dezerta), have been forwarded by Mr. Leacock. 

 Tliey differ scarcely at aU, either in size or in the scidpture of the basal margin of 

 their elytra, from the var. y. of the diagnosis, — the state which obtains on the 

 Ilheo de Fora ; and I have therefore admitted them, in my Tables of Distribution, 

 under that particular variety. Nevertheless I would wish it to be understood 

 that they are not pi'ccisehj similar ; and also that I do not hold myself responsible 

 for their having been truly found in the locality professed. 



(3) Sarpalus litigiosus (p. 51). The Ponta Sao Loui*enco may be added as a 

 locality for this insect, — a district from whence I have received several specimens 

 (along with the H. atteni(atiis) differing in no respect from the PrayaPormoza and 

 Porto Santan representatives except that their pronotum is (if anything) perhajis a 

 trifle shorter, and just perceptibly (especially towards the posterior angles) more 

 flattened. They have also an obscure cyaneous tinge, — the tendency to assume 

 which (however indistinct) is at all times traceable, and which should have been 

 mentioned in the diagnosis. Since the description was ■nTitten, I have taken it in 

 our own country (on the Devonshire coast), — where however it would appear to 

 be of the greatest rarity. The English examples are more evidently cyaneous than 

 even the Ponta Sao Louren90 ones ; and it is probable therefore that tliis pecu- 

 liarity of colom'ing is typical in more northern latitudes. 



(4) Cryptoplmgus (p. 171). The following description of a minute and very in- 

 teresting Cryptophagus slioukl be inserted. It has been recently communicated 

 by the llev. 11. T. Lowe (by whom it was discovered at the Ribciro Prio, during 

 the summer of 1851) ; and is e^'idently a truly indigenous species. 



483. Ciyptopliagns Nitididoides, Woll. 

 C. ovatus convexus rafo-ferrugineus subnitidus pubescens, capite prothoraceque punctatis, hoc sub- 

 quadrato-transverso, ad latcia parce irrcgulariter subserrato dente medio obscurissiine armato et 



