178 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
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Santa Ana, 3,000 feet August’ 
Tincochaca, 7,000 feet August 
Vilcabamba, 10,000 feet August 
Conservidayo River, aa August 
Sorontoy, 7,000 feet September 
The specimens from Panama were collected in June. 
SCORPIONIDA. 
BUTHIDAE. 
TITYUS FOOTEI, sp. nov. 
Plate 1, fig. 1-4. 
Carapace and dorsum of preabdomen from testaceous to dark 
reddish with blackish markings near eyes and along the anterior border 
of the carapace, and especially across the caudal borders of the abdo- 
men, the dark bands widest at middle. Legs and pedipalps yellowish. 
Cauda proximally from yellow to testaceous of reddish cast becoming 
decidedly darker distad, the last one or two segments usually black. 
or nearly so; sting, in individuals in full color, more or less chestnut. 
Carapace and all tergites of preabdomen strongly granular. Pre- 
abdominal sternites each roughened with minute granules. All seg- 
ments of cauda granular, the fifth most strongly so. All tergites of 
preabdomen with median dorsal keel well developed, that of the fifth 
incomplete behind, and with two well-developed dorsal keels each 
side of it; sternite of fourth and fifth segments with five keels of which 
the median is very weak. First segment of cauda with ten keels, a 
complete median lateral ridge being present between the usual upper 
and lower lateral ridges; second segment with keels the same except- 
ing that the median lateral is developed only caudad; third and 
fourth segments with the eight ridges, two median dorsal and median 
ventral and the two upper and two lower laterals; fifth segment with - 
but five distinct keels, the odd one being a complete median ventral; 
all keels granular. 
Basal portion of sting finely granular. A well-developed acute 
spine beneath, (Plate 1, fig. 1). 
