the Irish Species of Thysaiiura. 95 



line a tripod, arising at the apex and directed forwards ; 4th 

 ring with its anterior angles black ; last minute, immaculate. 

 Legs and antennce pellucid, covered with minute hairs. 



Length 0-06 to 0-08 inch. 



Extremely common in the garden at Cranmore. 



Fig. 6. Insect magnified. 6a. Antenna of left side, seen in profile. 



Sp. 4. PODURA ALBO-CINCTA. 



Plate XII. Fig. 1. 



Body oval, black, covered with long hoary hairs. Head subglo- 

 bular, rather large, whitish, a little obscured anteriorly. 2nd 

 thoracic ring with its apical half white ; 3rd abdominal ring 

 with its basal half white. Antenna and legs pellucid. 



Length 0*04 inch. 



Not uncommon at Cranmore, beneath tiles. 



Fig. 1. Insect magnified. 1 a. Antenna of left side. 



Sp. 5. PoDURA CiNGULA. 



Plate XII. Fig. 2. 

 Body cylindric, greenish, with brown sides. Head subglobular, 

 truncate, posteriorly brown ; eyes black. 2nd abdominal ring 

 with a black base, the apical half white, shining. Legs and an- 

 tennae pale brown. 

 Length 0'05 inch. 



A few specimens under a brick at Cranmore. This species will 

 at some future period form the type of another subgenus. 



Fig. 2. Insect magnified. 2 a. Antennae, the 1st joint extremely large. 



2 b. The profile of the fork. 2 c. A leg. 2 d. Tarsus and 



claws. 



Sp. 6. PoDURA FULiGiNosA (grisca, Deg. ?). 

 Plate XII. Fig. 3. 

 Body subcylindric, greenish black. Head subtriangular. Antenna 

 not much longer than the head; joints nearly equal. 1st tho- 

 racic ring much larger than the succeeding ; 3rd abdominal also 

 very large ; a black line down the middle of the back. Legs 

 short, tapering, pale greenish. 

 Length 005 inch. 



A. few specimens at Cranmore, under the bark of a rotting tree. 

 Fig. 1. Animal magnified. 



