12 



S. II. Scudder — European Foml Cockroaches. 



d l . 



d* 



e l . Scapular vein in the middle of its course receding from the margin lo 



reach the middle line of the tegmina . . 22. E. leptophkbica. 



e 2 . Scapular vein in the middle of its course hardly receding from the 



margin and nowhere nearly reaching the middle One of the 



tegmina 23. E. flabellata. 



b 2 . Tegmina distinctly more than three times as long as hroad ; internomedian 

 area long and slender. 

 c 1 . Internomedian area not nearly reaching the apex of the tegmina, with no 

 extension by the distal sinuosity of the main vein. 

 Tegmina less than* 20 mm. long; course of the main scapular vein dis- 

 tinctly sinuous, and at one point nearly reaching the middle line 



of the tegmina 24. /.'. affinif. 



Tegmina more than 30 mm. long ; course of the main scapular vein 

 nearly or quite straight, at no point nearly attaining the middle 

 line of the tegmina. 

 e 1 . Tegmina subequal on distal half (apparently; the only specimen is 

 broken), the externomedian vein with regular offshoots from the 

 middle of the tegmina outward . ... 25. E. euglyptiea. 

 e 1 . Tegmina tapering considerably throughout the distal half, the ex- 

 ternomedian branches all arising close to the apex from two 

 stems which unite at or before the middle of the tegmina. 



26. E. eh)iga(a. 



Internomedian area nearly reaching the apex of the tegmina by the distal 



sinuosity of the main vein. 



Externomedian vein first forking well before the middle of the tegmina, 



with many branches ; distal portion of anal area with numerous 



branches 27. E. Steleneri. 



Externomedian vein first forking at some distance beyond the middle 

 of the tegmina, with few branches ; distal portion of the anal 

 area with" few branches 28. E.TFeissiginsis. 



d\ 



d- 



Fig. 1. Fig. 2. 



Etoblattina Deanensis, sp. no v. (Figs. 1 and 2.) 



The fore wing has a very regular elongate oval form, tapering 

 with considerable regularity beyond the middle third of the tegmina, 



