Mr. T. V. Wollaston on Additions to Madeiran Coleoptera, 287 



inches. 



Total length 27i 



Height behind pectorals 6 



Thickness 2 



Head 7 



Eye H 



Under jaw, length 2 



Hinder nostril, length \ inch ; width . . . . ^ 



Dorsal, length of base 3 



longest ray li 



Pectorals, length 2| 



„ distance from tip of under jaw . . 7i 



Ventrals, length 2\ 



„ distance from tip of under jaw ..12^ 



Anal, length of base 4\ 



„ distance from roots of ventrals .... 5 



In a specimen 23 inches long : — 



Gall-bladder, diameter ^o 



Liver, length of larger lobe 2^ 



„ width „ l^io 



Stomach, length A^ 



„ width li 



XXVIII. — On Additions to the Madeiran Coleoptera. 

 By T. Vernon Wollaston, M.A., F.L.S. 



Fam. CarabidaB. 



Genus Trechus. 



Clairville, Ent. Helv. ii. 23 (1806). 



1. Trechus minyops, n. sp. 



T. angustulo-oblongus, rufo-ferrugineus, nitidus ; caplte ovali, pos- 

 tice subcrasso, i. e. pone oculos (minutissimos, valde demissos) 

 vix contracto, sulcis frontalibus sat profundis, curvatis; protho- 

 race subqnadrato postlce vix latiore, augulis anticis subporrectis 

 acutiuscuhs, posticis rectis, canaliculato, utrinque ad basin profunde 

 impresso; elytris sat profunde subpunctato-striatis, interstitio 

 tertio punctis duobus impresso ; antennis rufo-testaceis, brevibus, 

 apicem versus moniliformibus ; pedibus testaceis. 



Long. Corp. lin. 1-^. 



Habitat in montibus Maderse, duobus speciminibus ad S. Antonio 

 da Serra a Dom. Moniz detectis. 



T. narrowish-oblong, being widest in the middle and about 

 equally (though very slightly) narrowed before and behind, 

 reddish-ferruginous, and shining (but not highly polished). 

 Head oval, and with the eyes extremely small, and so completely 

 sunken that they do not project at all beyond the curvature of 



