Mr. R. I. Pocock on Neotropical Scorpions. 99 
female, and its upper surface is marked by an oval depressed 
yellow spot. The lower surface of the last abdominal sternite 
and of the first and second segments of the tail is not keeled. 
In the palpi the humerus is more granular, the manus is 
much wider, its width as compared with the brachium being 
as 1} is to 84; and there is a strong spicular tooth on the 
inner side of it at the base of the movable digit. 
Fectines much larger, furnished with 13-16 very long 
teeth. 
Loc. Theresopolis (Brazil). Several specimens of both 
sexes. 
PHONIOCERCUS, gen. nov. 
(El ValwAS figs 135 13ia.) 
Allied to Cercophonius. 
The anterior border of the carapace conspicuously emar- 
ginate in the median line; the tubercle in front of the middle 
of the carapace and sulcate. 
The median teeth on the digits of the chele arranged in a, 
single series and of tolerably large size. _ 
Lhe lower surface of the feet not furnished with a median 
series of whitish hairs, as in Cercophontus and Urophonius, 
but naked along the middle line, and armed on each side of it 
with a few long setiform spines. 
Phoniocercus pictus, sp. n. 
Colour ferruginous, much variegated with black. 
Carapace mostly blackish, variegated behind and at the 
sides; tergites with a lateral flavous patch, a >-shaped 
flavous mark on each side, and three flavous spots in the 
middle ; sterna flavous, irregularly clouded with black ; ¢tazd, 
including the vesicle, variegated above and below 3 cheliceree 
black apically ; pa/p¢ blackish, hands reddish, variegated with 
black lines ; legs deeply variegated with black. 
The carapace nearly smooth, extremely closely and finely 
granular in the depression below the median eyes; the longi- 
tudinal sulcus which traverses the carapace and crosses the 
tubercle finely granular and distinctly transversely striate ; 
the anterior border of the carapace somewhat deeply emar- 
ginate in the middle; the ocular tubercle in advance of the 
middle. 
The tergites almost entirely smooth and polished, the sixth 
finely granular mesially and posteriorly, the seventh very 
finely granular throughout, with two nearly obsolete more 
coarsely granular crests. 
