850 Dr. J. L. I^ncock’s Third Pcqm' on the 
in length. Colour fusco-rufescent, the crest of pronotum wholly 
opaque, margin above marked with fuscous. 
Length of pronotum, ^ 12.5 nun.; height at the middle, 9 mm. ; 
posterior femora length, 7.6 mm. 
Locality : Bitje Ja River, S. Cameroons (Rosenberg). 
One example in the author’s collection. This species 
resembles H. acquedis, Karsch, but is distinguished by the 
smaller stature and by the more distinct right angle 
summit above. 
Genus Xerophyllum, Fairm. 
Ann. Soc. Entom. France, p. 24G, 1846. 
The following table is a revision of the species of the 
African genus Xeroqdiylluin, and includes three new 
species. 
TABLE OF XEROPHYLLUM SPECIES. 
1. AVings entirely explicate and extended 
more or less beyond the pronotal 
apex ; foliaceous crest curvate, an¬ 
teriorly substraight deflexed back- 
Avard, i^osterior process lengthily 
extended backward beyond the 
apices of hind femora; length of 
pronotum, (J 14 mm.; 5 15 mm. . extensum, s'p. nov. 
1.1. Wings not entii’ely explicate, rarely 
reaching to and not beyond the 
pronotal apex ; foliaceous crest 
semicircular or subreniform. 
2. Anterior process of pronotum obtuse 
angulate, the crest regularly arcu¬ 
ate ; anterior femora above nearly 
entire or somewhat sinuate, below 
undulate ; lateral carinae of frontal 
scutellum compressed crenulate ; 
wings extended nearly to the prcj- 
notal apex ; length 19 mm.. . . servillei, Fairm. 
2.2. Anterior process of pronotum sub¬ 
acute, crest largely elevated 
behind the middle; anterior 
femora above serrate, below 
