40 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 56 



PLATE 2 



Fig. 3. Stereoscopic view of the lateral wall of the thorax from without. 

 (Magnified 10 diameters. Photographed with Zeiss binocular; Objective 55, 

 Ocular 3.) 



e, Episternum. 

 ep, Epimerum. 

 t'S, Mesosternum. 

 ./n, Fossa anterior. 

 /, Prsescutal border. 

 0, Foramen prsealare. 

 <?i, Foramen postalare. 

 p, Prsescutum. 

 pe, Parepisternum. 

 pm, Parepimerum. 

 pp, Parapleurum. 



ps, Postscutellum. 



pti. Processus pteralis thoracis I. 



ptJl, Processus pteralis thoracis II. 



ptUI, Processus pteraHs thoracis III. 



ptIV , Processus pteralis thoracis IV. 



ptV , Processus pteralis thoracis V. 



s, Scutum. 



se, Scutellum. 



sp, Spina scutalis. 



st, Stigma anterius. 



sti, Stigma posterius. 



