BLATTARI^. 1S5 



the eyes, which are moderately wide apart. Antennae piceous, as lonsr as 

 the body, testaceous towards the base. Prothorax much narrower in front, 

 mostly occupied by a very large scutcheon-shaped piceous patch, which ex- 

 tends to the hind border, near which it includes on each side a large 

 subquadrate testaceous spot ; fore border slightly truncated ; sides slightly 

 rounded and reflexed ; hind border hardly rounded. Legs stout ; femora 

 with several distinct spines; arolia moderately large. Wings piceous. 

 Fore wings membranous, with a pale testaceous costal stripe, whicli de- 

 creases in breadth from the base nearly to the tip. Hind wings a little 

 longer than the fore wings, not paler. Length of the body 10 lines; of the 

 wings 23 lines. 

 a. Australia. From Mr. Vigors' collection. 



33. Pekiplaneta ? maeqinicollis. 

 Blatta marginicollis, Slal. Euij. Resa. 307, 

 Madeira. 



Sect. 7. 



34, Periplaneta concolor. 



Fcem. Rufescente fulva, fusiformis, suhlilissime punctata ; caput nigri'' 

 canle fasciatum, prolhoracem paullo superans ; antenme picecc ; 

 prothorax strigis duabus pallidioribus poslicis latis arcuatis ; meso- 

 thorax et mctathorax angulis posticis elongatis ; cerci plani, lorigi, 

 setosi ; pedes longi, robusti. 



Female. Reddish tawny, fusiform, smooth, shining, a little paler 

 beneath. Head and prothorax extremely minutely punctured. Head ex- 

 tending a little beyond the prothorax, with a broad blackish band on the front. 

 Eyes black, wide apart, Antennge piceous, slender. Prothorax parabolic, 

 with a broad curved paler streak on each side near the hind border; fore 

 border hardly truncated ; sides rounded ; hind border hardly rounded. 

 Mesothorax and metathorax with the hind angles elongated, indicating the 

 coming wings. Cerci flat, long, lanceolate,] setose. Legs long, stout; 

 femora with long stout spines ; arolia small. Length of the body 14 

 lines. 



35. Periplaneta Floridana. 



Foera. Picea, fusiformis, subtilissime punctata; caput aniiee fulvum, 

 prothoracem perpaulto superans ; palpi fulvi ; antenna rufce ; pro- 

 thorax rufescente niarginutus ; melathoracis anguli postici perparum 

 producti ; abdominis segmenla angulis posticis elongatis acutis ; 

 venter rufus, apice piceiis ; lamina supra-analis vix carinata, valde 

 incisa ; pedes validi, longiusculi, saturate rufi. Var. B- — Caput 

 rufum. 



Female. Piceous, fusiform, convex, shining, thickly and very minutely 

 punctured. Head smooth, extending very little beyond the prothorax, 

 tawny towards the mouth. Eyes black, wide apart. Palpi tawny. 



