Mr. T. V. Wollaston on the Canarian Malacoderms. 429 



5. Attains pellucidus. 

 A. sp. prsecedenti similis, sed paulo magis amescens, prothorace nigro 



(nee rufo), ad angulos posticos (et interdum per marginem ipsissimum 



basalem) solum subpellucido-flavo. 

 Long. corp. lin. l|-2. 



Pecteropus pellucidus, Woll., Ins. Mad. 247 (1854). 

 Habitat TenerifFam, vulgaris, in iisdem locis ac prsecedens. 



As will be gathered from the diagnosis, the only important cha- 

 racter which separates the present Attalus from the preceding one 

 is, that its prothorax, instead of being bright red, is (like the rest 

 of the surface) black, with merely a small portion at either posterior 

 angle (and sometimes the basal margin itself, though very narrowly) 

 of a somewhat pellucid yellow. I can detect no other differential 

 feature (except that its surface is usually a trifle more senescent), 

 and I might therefore have been inclined perhaps to regard it as a 

 variety of the other, had I been able to discover the least trace of a 

 passage between the two. But since both of them are equally diffused 

 over Teneriffe, independently of elevation, and since in an exten- 

 sive series now before me, collected in ten or twelve different (and 

 distant) localities, each is equally constant, I have no option but to 

 treat them as distinct. Nor indeed can they be sexual forms, seeing 

 that I have males and females of both ; and I may further add that 

 I took the greatest pains whilst in the island to observe whether 

 they were ever found in coitu, but could never succeed in so detect- 

 ing them, though I frequently captured each species in that situation. 

 I have taken it (I believe) in all the Teneriffan localities in which I 

 have met with the A. ruficollis, but did not obtain it in Palma. 

 Near Orotava it was also found by Mr. Gray ; and it has likewise 

 been communicated by the Barao do Castello de Paiva. It is the 

 species which I described in 1854 (in a foot-note at p. 247 of my 

 ' Ins. Mad.'), from a single example which was brought from Tene- 

 riffe by the late Rev. W. J. Armitage. 



6. Attalus ovatipennis, n. sp. 



A. viridi-senescenti-niger prothorace in limbo postico (rarius in limbo) 

 rafo-testaceo, parce cinereo-pubescens, nitidus ; capite prothoraceque 

 minutissime et parce punctidatis ; elytris ovatis, paulo minus nitidis, 

 obsoletissime (interdum vix perspicue) longitudinaliter subcostatis, 

 minutissime punctulato-rugulosis (punctulis subtilissimis), pilis nigris 

 erectis longiusculis obsitis ; antennis pedibusque breviusculis, illis 

 versus basin horumque tibiis et tarsis (necnon femoiibus in parte) plus 

 minus testaceo dilutioribus. 



Var. /3. collaris. Prothorace fere omnino rufo, elytris vix profundius pimc- 



2i2 



