ACARI. TARDIGRADA. 
Arach. 49 
U. minutissima 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, pi. 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. 
Uropolyaspis , p. 384, U. hamuliferus Mich. p. 385, pi. 13, figg. 93 & 94 ; 
A. Berlese, t. c. 
Urotrachytes n. gen. (type Glypkopsis formica, rice Michael), p. 271; A. 
Berlese, t. c. 
U. , p. 381 , formica, rim Lubb. p. 382, pi. 13, figg. 91 & 92 ; A. Berlese, t. c. 
Varroa n. gen. ( Lcdaptince ), p. 160, V. jacobsoni , on Apis indica in Java, 
p. 160; Oudemans, Ent. Ber. Nederland. No. 18, n. sp. 
V. , n. gen. (?), p. 216, V. jacobsoni, Java, p. 217, text-fig.; Oudemans, 
Notes Leyden 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 spitzbergense , 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. blumi, Spitzberg, p. 172, E. wendti , Spitzberg, p. 172, E. oihonnce, 
Spitzberg, p. 172; Richters, Zool. Anz. xxvii, n. spp. 
Macrobiotus coronifcr, Tromso, p. 171, M. coronifer, p. 171, and M. echino- 
genitus, p. 169, Spitzberg ; Richters, t. c. n. spp. 
XI. PENTASTOMIDA. 
[Vacant.] 
