386 Mr. T. V. Wollaston on the Tarphii. 



is both exceedingly rare and local, — the only specimens of it (24 in 

 number) which have as yet come beneath my notice having been 

 captured by myself, during May of 1858 and the following year, in 

 the woods of the Agua Mansa of TeneriiFe. 



7. Tarphius gigas, n. sp, (PI. XIX. fig. 7.) 



T, latus, oblongo-quadratus, crassus, graniilis squamisque fusco-piceis 

 parce vestitus et fere setis carens ; protliorace in medio latiusculo, 

 postice vix sed antice gradatim angiistiore, angidis anticis acutis sed 

 emai'ginatione antica baud profunda ; elytris in disco subhorizontalibus, 

 eat distincte (praesertim ad latera et postice) nodosis (nodis obtusis sub- 

 picescentioribus) ; an tennis pedibusque rufo-ferrugineis. 



Long. corp. lin. 2\-'i\. 



Habitat in sylvaticis TenerifFae, rarissimus ; duo specimina, in montibus 

 supra " Ponta Anaga " detecta, sola possedi. 



This is the largest species of Tarpliius which has as yet come 

 under my observation ; and, apart from its comparatively gigantic 

 bulk, it may be recognized by its broad, thick, squarish-oblong form, 

 by its rather piceous and obtusely-nodose surface, as well as by its 

 %lytra having their disk somewhat horizontal (though less so than 

 in the T. caudatus), and their extreme apex rather drawn out or 

 acuminate. Its prothorax is subsemicircular in outline, being 

 broadest about the middle, and but very slightly narrowed behind. 

 It is apparently of the greatest rarity, — the only two specimens 

 which I possess having been captured in the dense and elevated 

 laurel-region between Taganana and Point Anaga, of Teneriife, 

 during May of 1859. 



8. TarpMus caudatus, n. sp. (PI. XIX. fig. 8.) 



T. quadrato-oblongus, subnitidus, grauulis squamisque magis nigrescenti- 

 bus parce vestitus et fere setis carens ; protliorace mox ante medium 

 latiusculo, postice vix sed antice sat subito angustiore, angulis anticis 

 acutis sed emarginatione antica minus profunda ; elytris valde sub- 

 punctato-rugosis, in disco horizontalibus, ad latera et postice valde 

 subnodoso-carinatis (carinis ad apicem in lobum subquadratum pro- 

 ductis, caudam obtusam apice excavatam efficientibus) ; antennis 

 pedibusque obsciu-e rufo-ferrugineis. 



Long. Corp. lin. 1^2. 



Habitat Teneriffam, in sylvis editioribus ad "Las Mercedes" et supra 

 Tagananam, sestate baud infrequens. 



This most remarkable Tarpliius may be instantly known by the 

 broad (though posteriorly emarginate) lobe into which the extreme 

 apex of its elytra is produced, — forming a kind of blunt, squarish 

 tail. Its surface, also, is rather darker than that of any of the 

 other Canarian Tarphii, except the T. congestus ; and it is likewise 



