634 L. Bruner: 
Humbella tenuicornis var. minor Saussure. 
The collection contains six other specimens of Humbella one from Manda and five from Chake-Chake, 
Pemba Isl., that are referred to Saussures variety minor. Except in their noticeably smaller size they 
do not vary greatly from typical tenwicornis. 
Oedaleus madacassus Saussure. 
I find three typical females of this species from SW. Madagascar, one of them from Tulear 
collected during March, and two from Andranohinaly taken in February. 
Oedaleus sp. 
There is a large series of an Oedaleus from Ile aux Prunes (E. Madagascar), and other localities 
which according to the synoptic tables published by Saussure in his Prodromus Oedipodiorum would fall 
into O. madacassus save that they are a trifle small and have red hind tibiae. This being the case the 
writer does not wish to describe them even as a new variety. 
Oedaleus wahlbergi Stäl. 
A fairly large series of a third Oedaleus coming from the Comoro Islands and adjoining territory 
belong to Stäls wahlbergi. This insect varies greatly in color as well as some in size. 
Pachytylus capensis Saussure. 
The specimens of the present species come from the Öomoro Archipelago. There are several of them. 
Pachytylus capito Saussure. 
This well defined species comes from SW. Madagascar so far at least as the material at hand 
indicates. It is evidently a good flier and no doubt is one of the migratory locusts of that country. 
Several specimens of both sexes are at hand. 
Pachytylus cinerascens Fabricius. 
Specimens of both sexes are contained in the collections made at Tulear in SW. Madagascar. 
It is the largest of the three species, but not quite as long winged as P. capito. It too is a destructive locust. 
Cosmorhyssa fasciata Thunberg. 
This locust is represented by three specimens, one from Lamu (British East Africa) and the others 
from Chake-Chake (Pemba Island). 




