ACARI. TARDIGRADA. 
Arach. 49 
U. mi7iutissima villosella, Russia on Lasius Jlavus^ p. 272 ; A. Berlese, 
t. c. n. var. 
U., charact. and key to spp., pp. 343 & 344, U. leonardiana, p. 345, pi. 8, 
figg. 28 & 29, U. ovatula, p. 346, })!. 8, figg. 26 & 27, U. pennsylvanica, 
p. 347, pi. 9, figg. 39 & 40, U. minutissima, p. 348, pi. 9, figg. 35, 36, 
37 & 38, U. villosella, Italy, p. 349, pi. 9, fig. 31 (n. var.) : A. Berlese, 
t. c. 
Uropol^aspis, p. 384, U. hamidiferus Mich. p. 385, pi. 13, figg. 93 & 94 ; 
A. Berlese, t. c. 
Urotrachytes n. gen. (type Glyphopsis formicarice Michael), p. 271; A. 
Berlese, t. c. 
U., p. 381, formicarius Lubb. p. 382, pi. 13, figg. 91 & 92 ; A. Berlese, t. c. 
Varroa n. gen. (Lcelaptmce), p. 160, V. jacobsoni, on Apis indica in Java, 
p. 160 ; OuDEMANS, Ent. Ber. Nederland. No. 18, n. sp. 
F., n. gen. (?), p. 216, V. jacohsoni, Java, p. 217, text -fig. ; Oudemans, 
Notes Ley den Mus. xxiv, n. sp. (?). 
Zercon trigonus, p. 268, Z. ornatus, p. 269, Italy, Z. triangularis perfora- 
tulus, p. 269, Italy ; A. Berlese, Redia i, fasc. ii, n. spp. and n. var. 
X. TARDIGRADA. 
Eggs of Tardigrada; Richters, Ber. Senckenberg Ges. 1904. 
Diaphascon spitzhergense, Spitzberg, p. 172; Richters, Zool. Anz. xxvii, 
n. sp. 
Echiniscus conifer, Lugano, p. 73, pi. 5, fig, 8 ; Richters, Ber. Senckenberg. 
Ges. 1904, n. sp. 
E. hhimi, Spitzberg, p. 172, E. wendti, Spitzberg, p. 172, E. oihonnce, 
Spitzberg, p. 172; Richters, Zool. Anz. xxvii, n. spp. 
Macrohiotus coronifer, Tromso, p. 171, M. coronifer, p. 171, and M. echino- 
genitus, p. 169, Spitzberg ; Richters, t. c. n. spp. 
XI. PENTASTOMIDA. 
[Vacant.] 
