316 HEMIPTERA. 



Genus 3. UROLABIDA. 



Urolabida, Westw. Hope Cat. 45 (1837). 



Urostylis, p., Westw. Hope Cat. 45 (1837). 



Calliprepes, White, Mag. Nat. Hist. n. s. iii. 543 (1839) Sf Ent. 



Trans, iii. 93 (1842). 

 Typhlocoris, H. Schaff. Wanz. v. 79 (1839) & ix. 175 (1850). 



* Posterior plates of the female generative organs produced, 

 forming a sort of forceps. (UROLABIDA pr.) 



1. UROLABIDA tenera. 



Urolabida tenera, Hope, Cat. 45 (1837). 



a. . Presented by General Thomas Hardwicke. 



t Female generative organs of the usual structure, not produced. 

 (CALLIPREPES, White.) 



2. UROLABIDA Grayii. 



Calliprepes Grayii, White, Mag. Nat. Hist. n. s. iii. 543 (1839) 

 8f Ent. Trans, iii. 94 (1842). 

 a. Nepal? 



Family 14. EDESSID^:. 



Antennae of 4 or 5 joints, with the basal joint shorter than the 

 head, but generally reaching or passing its anterior margin. Ros- 

 trum short, with the first joint enclosed in a canal. Head small, 

 with the lateral lobes passing the central lobe and generally meet- 

 ing in front of it, the lateral margins trenchant ; antenniferous 

 tubercles concealed. Breast without a canal. 



Edessa, p., Fab. Syst. R. (1803). 

 Edessides, Am. # Serv. Hem. 155 (1843). 



TABLE OF GENERA. 



I. Metasternum with a distinct keel, 

 which is sometimes produced ante- 

 riorly in the "form of a spine beyond 

 the anterior coxae. 

 A. Sternal keel notched or bifid in front. 



a. Antennae of four joints 1. PEROMATUS. 



b. Antennae of five joints. 



1. Posterior angles of the last 

 segment of the abdomen more 

 or less produced, acute, and 



