210 MYRIAPODA. CHILOPODA. 



cular lamina, the second larger than the others ; the last semi- 

 circular and arched ; sixteen pairs of legs. 



G. marginata, Lat. Black, the margins of the segments luteous or 

 orange. Inhabits Britain, France, and Germany, under stones. 

 Common near Edinburgh Leach, Sup. Encyc. Brit. i. pi. 22. 



Gen. 2. JULUS, Lin. Lat. 



Body serpentiform, cylindrical ; antennae with the second joint 

 longer than the third 5 legs numerous. 



G. sabulosus, Lat. Black cinereous, with two reddish dorsal lines ; 

 last joint mucronated ; legs luteous, very numerous. 1^ inch 

 long. Inhabits Europe, under stones. Common near Edinburgh. 

 Lat. Gen. i. 76. 



Gen. 3. POLYDESMUS, Lat. Julus, Lin. 

 Antennae with the second joint scarcely longer than the first, 

 and much shorter than the third ; body linear, the segments 

 laterally compressed and margined ; eyes obsolete. 



P. complanatus, Lat. Reddish cinereous ; last segment of the body 

 mucronated ; 60 to 61 pairs of feet. Inhabits Europe, under stones. 

 B Sup. Encyc. Brit. i. pi. 22. 



Gen. 4. CRASPEDOSOMA, Leach. 



Body linear, depressed, the sides of the segments laterally pro- 

 minent ; antennae somewhat thicker towards their extremity, 

 the second joint shorter than the third. 



C. Raulinsii, Leach. Back fuscous brown, with four lines of white 

 spots ; belly and legs reddish. Found in the neighbourhood of 

 Edinburgh by Mr R. Rawlins, under stones and amongst moss. 

 Sup. Encyc. Brit. i. pi, 22. 



FAMILY II. PENICILLATA. 



Body oblong, membranaceous, very soft, with scales forming 

 ridges on the sides, and a pencil of ciliated scales at the pos- 

 terior extremity ; antennae filiform ; twenty-four feet. 



Gen. 5. POLYXENUS, Lam. Lat. Scolopendra, Lin. 



Antennaa short, filiform, moniliform, inserted under the ante- 

 rior margin of the head ; no palpi ; body soft, elongated, de- 

 pressed, with bundles of scales on the sides, and a pencil of 

 ciliated scales at the posterior extremity ; twelve pairs of feet. 



P. lagurus, Lam. Lat. Inhabits Europe, under the bark of old trees. 

 Lat. Gen. i. 77. - 



ORDER II. CHILOPODA. 



Sexual organs placed at the anus ; mouth composed of two man- 

 dibles, with a small appendage in the form of palpi ; labium 



