Mello-Leitão — Sobre os Bothriuridas Sul-Americanos 
105 
Genero Ceníromacheíes Lômberg, 1897 
Fmíohl Tidsler vol. XVIII, p. 200 
Laminas medias dos pentes apenas 2 011 3 ; levemente arre¬ 
dondadas. Telotarsos III e IV com tres pares inferiores de robustas 
cerdas espiniformes e uma fila mediana de espinhos. Gume dos dedos 
com duas a tres filas irregulares de grânulos. Uma especie, da qual 
só se conhece a femea. j 
32 — Centromachltes pococki (Kraepelin), 1894. 
Cené/omachus p. Kraepelin, 1894 — Mitt. Mus. Hamb., Vol. 
11, p. 238. 
C. p. Lõnnberg, 1897 — Entom. Tidskr., Vol. 18, p. 200. 
Chile, 
RESUME 
A key is given in the present paper to tlie nine vaíid genera 
of Bothiuridae and -a catalogue of the known american species to the* 
uumber of 31 with some variations. A key is given to the genus 
Bothriurus coverng 15 species and two varieties. 
Five new species of Bothriurus are described. 
Bothriurus prlinqlosianus n. sp. 
C f — 29 mm. Q — 30 mm. 
Carapace: brown with an irregular dark brown or fuscous 
marking, therebeing a small spot in the middle of the front rnargin, 
another elongated spot on the ocular tuberde and some further irre¬ 
gular rnarkings. Tergites: brown with narrow marginal border which 
is interrupted at two or more points on the anterior and posterior mar- 
gins. Sternites of a lighter and more uniform brown than the back. 
Tail brown washed. and reticulated in fuscous on the dorsal surface, 
