104 
Psyche 
[September 
branches are short oblique veinlets on the end of R. In Mantis , 
Ameles and several other Manteodea only two of these branches are 
preserved, the hind one usually being mistaken for Rs. 
, Sc 
Fig. 1. Drawing of Lithophotina floccosa Cock.; A. Holotype (fore wing) ; 
B. Homeotype (hind wing). 
The stem following R which is mistakenly identified in Blattodea 
and Manteodea as M, in the opinion of the author, is this only in 
the proximal portion. Its distal portion together with the branches 
is really the fore branch of M, i.e. MA, whereas the hind branch, 
MP, is merged with CuA. Only in some Paleozoic Blattodea 
( Archimylacris pruvosti Laur., Aphtoroblattina shottoni Laur.) is 
the base of MP in the fore wings represented as an oblique vein, 
which in the rest of the Blattodea and in all known Manteodea is 
missing or has the character of a cross-vein, just as has occurred in 
the evolution of the Plecoptera (Sharov, i960). 
The peculiarities of the venation of the hind wing of L. floccosa 
confirm the correctness of the interpretation of R and Rs in the hind 
wings of the Manteodea proposed by Ragge (1955) on the basis of 
the study of the tracheation and accepted later by Smart (1956), 
although with some reservations (p. 550). In L. floccosa Rs is 
separated from M and cannot be considered as the fore branch of M. 
