HISTERID^E. 165 



(though, at the same time, sufficiently elevated) districts. It seems 

 to occur principally in the pine-woods, and subsylvan spots, of inter- 

 mediate altitudes. 



470. Syncalypta horrida. 



Syncalypta horrida, Woll., Ins. Mad. 208 (1854). 

 } id., Cat. Mad. Col. 73 (1857). 



Habitat Maderenses (P* S to , Des.}, sub lapidibus rarissima. 



The only two examples which I have yet seen of this Syncalypta 

 were captured by myself in the Madeiran Group, one of them in 

 Porto Santo, and the other on the Deserta Grande. The specimens 

 differ a little from each other, but not sufficiently so (I think) to 

 warrant the suspicion that they are specifically distinct. 



Fam. 28. HISTERIftffi. 



Genus 147. ACRITUS. 

 Leconte, Proc. Acad. Philadel iii. 288 (1853). 



I. Prothora-x lined plus minus punctatd ante basin impressus. 



471. Acritus gemmula. 



Acritus gemmula, Wotl., Append, huj. op. 29. 



Habitat Canarienses (Gom.), in lauretis humidis editioribus sub 

 truncis arborum prolapsis a DD. Crotch deprehensus. 



Discovered by the Messrs. Crotch, during their late Canarian 

 expedition, at a high altitude in the laurel-districts of Gomera, 

 adhering to the underside of rotten wood. 



472. Acritns minutus. 



Hister minutus, Hbst, Natursyst. iv. 41, tab. 36. f. 4 (1791). 

 Acritus minutus,Z)t' Mars., Ann. de la Soc.Ent.de France, iv. 014 (1857). 



, Wott., Cat. Mad. Col. 76 (1857). 

 , Id,, Cat. Can. Col. 183 (1864). 



Habitat Maderenses (Mad., P to S to ) et Canarienses (Fuert., Can., 

 Ten., (row., Palma), sub quisquiliis, passim. 



The common European A. minutus will most likely be found uni- 

 versally in these Atlantic islands, when carefully searched for in the 

 proper situations. It occurs beneath refuse generally, and has been 

 taken in Madeira proper and Porto Santo of the Madeiran Group, and 



