INSECTA. 521 



Dorcatoma HEKBST, FABR. Antennae with first joint thick, 

 conical, the following to the eighth small, the three last forming the 

 greatest part of antennae, the ninth and tenth serrated internally, 

 eleventh oval. Body oval, abbreviate. 



Sp. Dorcatoma Dresdense HERBST, PANZER Deutschl. Ins. Heft 26, Tab. 10, 

 &c. Comp. Figures in STURM 1. 1. Tab. 244, 245. 



Ptinus L. (in part). Antennae with eleven joints, filiform, long 

 (longer than half the body), with joints sub-equal. Thorax cylin- 

 drical, constricted posteriorly. Scutellum small, distinct. Feet 

 long, slender, with tarsi distinctly five-jointed, the first joint 

 elongate. 



Sp. Ptinus fur L., PANZER Deutschl. Ins. Heft 99, Tab. 4, ma. (Ptinus davipes 

 PANZ.), GEOFFR. Ins. i. PI. n. fig. 6 fern. ; i| 2'" long, the antennae of 

 the male somewhat longer than body, the abdomen elongate, cylindrical, 

 so that it resembles a small goat-beetle ; the female with the abdomen more 

 oval and wingless. This insect lives in old wood, in herbaria, in collections 

 of birds and insects. GOEZE has described and figured the metamorphosis 

 circumstantially; Naturforscher, vili. 1776. s. 76 89, Tab. II. figs, i 12. 



Gibbium SCOPOLI. Antennas with eleven joints, filiform, longer 

 than half the body, with joints obconical, sub-equal, the last oval. 

 Thorax broader posteriorly. Head small, nutant. Elytra united; 

 wings none. Scutellum none. 



Gibbium scotias, Ptinus Scotias FABR., PANZER Deutschl. Ins. Heffc 5, 

 Tab. 8. 



Add sub-genus Mezium CURTIS, STURM Fauna, Ins. xii. pp. 34 38, 

 Tab. 248. 



Ptilinus GEOFFE., FABR. Antennas with eleven joints, not 

 longer than half the body, serrate or (in males) pectinate. Thorax 

 posteriorly of the breadth of elytra. Wings and scutellum distinct. 

 Feet short, with tarsi distinctly five-jointed. 



Sp. Ptilinus pectinicornis FABR., Ptinus pectinicornis L., PANZER Deutschl. 

 Ins. Heft 3, Tab. 7, STURM Fauna, Ins. XI. Tab. 236, &c. Add sub-genus 

 Xyletinus LATR., comp. STURM ibid. Tab. 237. 



Lymexylon FABR. Body elongate, narrow. Antennae of the 

 length of head and thorax, with eleven joints, filiform or sub-ser- 

 rate. Mandibles short, thick, dentate. Maxillary palps of males 

 with last joint ramose, flabellate. Head almost globose, nutant, 



