24 
Psyche 
[March 
agnita Meunier. However, this is not correct, because though both 
branches of M and Cu are usually simple in Stenodictya J additional 
twigs may be formed by the archedictyon. The triangular shape 
of the stenodictyid hind wing, which is very different from the oval 
shape of the microdictyid hind wing, with its narrow cubital area 
and simple CuP, provides the more reliable basis for determining 
the generic position of grandissima. 
Stenodictya oustaleti Brongniart 
Figure 65 
Stenodictya oustaleti Brongniart, 1893 : 388, pi. 22, fig. 3; Handlirsch, 1906: 
65, pi. 9, fig. 1; Handlirsch, 1919: 3. 
This species was based by Brongniart on specimen 22-3, con- 
sisting of a complete hind wing, indistinct body and three legs. 
The legs are very well preserved, showing tiny tibiae, tarsal seg- 
ments and short claws. Lameere (1917, p. 159) considered oustaleti 
synonymous with fritschi Brongniart. This may be so but it cannot 
be verified since the type and only known specimen of fritschi is 
fragmentary. 
Hind wing: length 70 mm, width 19.5 mm. Anterior margin 
slightly convex proximally, then straight; posterior margin with 
slight concavity at MA and CuA; apical part of wing long and 
narrow. Rs originating before mid-wing with six branches. Anal 
area large, with 6 veins, iA forked. 
Body structures: legs short and stout, tibiae only a little longer 
and more slender than femora, with distinct spines; a deep suture 
extends across the femora proximally just before the end; tarsus 
stout, composed of 5 subequal segments; claws short. Mesothoracic 
femora 7 mm long, tibia 8.5 mm long and tarsus 8 mm long; 
metathoracic tibia 10 mm long (incompletely preserved). 
S. oustaleti differs from all other known species of the genus by 
the elongate and narrow apical part of the wing, by the numerous 
densely arranged branches of Rs; it is somewhat similar to S. 
arnaudi Brongniart by the large anal area, with a forked iA. 
Stenodictya arnaudi Brongniart 
Figure 66 
Stenodictya arnaudi Brongniart, 1893 : 385, pi. 22, fig. 6; Handlirsch, 1905: 
64, pi. 8, fig. 23; Handlirsch, 1919: 3; Lameere, 1917: 158. 
This species was based by Brongniart on specimen 22-6, a hind 
wing, lacking the apex. Lameere (1917, p. 158) noted that the 
hind wing of arnaudi could well belong to the same species as the 
