622 Mr. E. Saunders' Synopsis of 



the antenna} rather shorter, the tliird joint not being so 

 long in proportion to the fourth. 



Length 2 lines. 



In pigeon cots; Norwich, &c. 



3. pipistrelli, Jenyns, Fig. Ann. Nat. Ilist. iii. pi. v. fig. 3. 

 Like the others of the genus in colour, but more elongate 



in shape, and at once distinguishable by the long silky 

 pubescence ; besides these characters, the margins of the 

 thoi-ax arc mucli less widely depressed, scarcely reflexed 

 or widened in front. 



Length 2 lines. 



Very rare. In bats' nests. 



4. hirundinis, Jenyns, Fig. Ann. Nat. Hist. iii. pi. v. 



Smaller than any of the others, Avith long liairs like 

 A. pipistrelli, but not so silky and evenly disposed; thorax 

 smaller and squarcr than any of the above, and with the 

 sides very narrowly margined ; the autennje are also 

 thicker and shorter. 



Length l,f line. 



Rare. In martins' nests. 



CERATOCOMBID.E. 



Thorax convex, not nearly twice as wide as long . . . . Ceratflrotiibus. 



Thorax depressed, twice as wide as long- at the base .. Cryjttostcmma. 



Ceratocombus. 



1. coleopti'otus, Zett. =^muscorvm, D. & S. Fig. Dougl. 

 & Scott, Brit. Hem. pi. xxi. fig. 5. 



Brown, legs and antennte paler. Head with numerous 

 long fine hairs scattered over its surface. Thorax convex, 

 rather wider behind ; the sides very slightly rovuided. 

 Elytra Avidest behind, covering the body. Antenna^: 1st 

 and 2nd joints thickened, the rest very fine and filiform. 



Length 1 line. 



Moss ; Norfolk, Esher, &c. 



Ciiyptoste;bima. 



L alienum, H.-SchfF. Fig. Dougl. & Scott, Brit. Hem. 

 pi. xvii. fig. 8. 

 Pale greyish-brown, covered with very fine adpressed 

 hairs, giving it a soft, somewhat downy appearance. 



