562 Scientific Proceedings, Royal Dublin Society. 



Ectobius. 



1835. Stepli., "HI. Brit. Ent., Mand.," vi., p. 45. (Eight species 

 described, including Blatta germanica and lapponica, Linn.) 



(Ectobia.) 



1839. Westw., "Mod. Class. Ins.," ii., Synopsis, p. 44. (Type, B. 

 lapponica.) 



|| (Blatta.) 

 1831. Serv., "Ann. Sci. Nat.," xxii., p. 39. (Includes B. lapponica, 

 &c.) 



Phyixodromia. 



1839. Serv., "Ins. Orth.," p. 105. (Includes Blatta germanica, Linn., 



and allies.) 

 1865. Brunn. Watt., " Nouv. Syst. Blatt.," p. 88. (Bestricted to B. 



germanica and allies.) 



ISCHNOPTERA. 



1839. Burm., "Handb. Ent.," ii., p. 500. (Types I. gracilis, fumata, 

 and morio, Burm.) 



Blatta. 



1758. Linn., " Syst. Nat.," ed. x.,i., p. 424. (Nine species mentioned, 

 including B. orientalis, Linn.) 



1802. Latr., "Hist. Nat. Crust. Ins.," iii., p. 269. (Type, B. orien- 

 talis.) 



{Kakerlac. ) 



1829. Latr., " Begne Anim.," v., p. 175, note. (Proposed for Blatta 

 orientalis and allies.) 



(Steleopyya.) 



1833. Fisch., " Bull. Mosc," vi., pp. 356 and 366. (Includes Blatta 

 orientalis, &c. ; the genus is stated by Fischer to be synonymous 

 with Kakerlac, Latr.) 



Periplaneta. 

 1839. Burm., " Handb. Ent.," ii., p. 502. (To include Blatta ameri- 

 cana, Pabr., P. brunnea and ustulata, Burm., B. austral- 

 asice, Fabr., and orientalis, Linn.) P. americana should be 

 regarded as the type. 



