146 
colour in life was brownish black, speckled with dots of a darker colour, 
and with a narrow interrupted black median stripe. The length of the 
body when crawling was 49,5 mm. (with the antennae, 55mm.); the width 
was 5mm. 
No. 2. — Lino, elevation 4500 feet; February 2, 1914. The length 
as preserved is 33 mm., and the width 1,8 mm.; there are thirty pairs of 
ambulatory legs; the colour is dark reddish brown with a dark median 
stripe. 
Mr. Zetek writes that this specimen was found in the same locality 
as the preceding, in the midst of the cafetal, inside the rotted portion 
of a log lying on the ground, on rich black and moist soil. The length 
of the body when crawling was 38,5 mm. (with the antennae, 44 mm.); 
the width in life was 5 mm. 
No. 3. — Lino, elevation 4100 feet; March 4, 1914. The length 
as preserved is 29 mm., and the width 3 mm.; there are twenty-nine pairs 
of ambulatory legs; the foot papillæ are three in number. 
This specimen was found under a log in an open pasture, concealed 
.in the grooves of the bark; the log was not decayed. 
Mr. Zetek notes that this species is negatively phototropic, and 
crawls as easily backward as forward. 
Oroperipatus corradoi (Camerano). 
Oroperipatus corradot 1914. A. H. Clark, Smithsonian Miscellaneous Collections, 
vol. 63, No. 2, p. 1. 
Of the specimens of Oroperipatus corradoi collected by Mr. Zetek 
at Ancon, which I recorded in the reference cited, he writes that he 
originally had a number of very young ones in the cage, but that either 
as a result of the scarcity of food, or as a result of natural proclivities, 
the whole series (about fourteen adults and twenty young) became re- 
duced through cannibalism to only three. 
2. Neue Beobachtungen iiber den Bau der Trilobitengattung Harpes. 
Von Rudolf Richter, Frankfurt a. Main. 
(Mit 4 Figuren.) 
eingeg. 11. Juli 1914. 
Eine große Reihe von Präparaten!, und zwar Aufmeißelungen, An- 
schliffe und namentlich Dünnschliffe, die für eine inzwischen abge- 
schlossene Monographie der Gattung Harpes angefertigt wurden, führte 
zu neuen Aufschlüssen dieser umstrittenen Tierform. Harpes hat von 
1 Die hier beigegebenen Figuren beziehen sich der Einheitlichkeit halber nur 
auf Harpes macrocephalus Goldf. aus dem Mitteldevon der Eifel. 
