ACARI. TARDIGRADA. 
Arachn. 47 
Uropoda ritzemai , p. 113, pi. xi, figg. 16-19, host, p. 114, pi. xii, figg. 20-22 ; 
Oudemans, Tijdschr. Ent. xlvi (2). 
U. leonardiana (on Messor struct or), p. 20, distinguenda , p. 21, both from 
Portici ; Berlese, Zool. Anz. xxvii : U. wagneri , Oudemans, Ent. Ber. 
Nederland, vi: U ., key to spp. p. 139, wagneri , Russia, p. 138, p. xi, 
figg. 28-30; Oudemans, Tijdschr. Ent. xlv : n. spp. 
Urozercon , p. 172, paradoxus , S. America, p. 173, pi. vi, figg. 287-291; 
Silvestri, Redia i. 
9. TARDIGRADA. 
Eggs and oviposition; Richters, Verh. Deutsch. zool. Ges. 1903, p. 53. 
Diphascon spitzbergense , Spitzbergen, p. 172 ; Richters, Zool. Anz. xxvii, 
n. sp. 
Echiniscus scrofa, p. 9, pi. i, fig. 2, quadrispinosus , p. 10, pi. i, fig. 1, 
inermis , p. 11, pi. i, fig. 3, sattleri, p. 12, pi. ii, fig. 1, Frankfurt, duboisi , 
Java, p. 24, pi. i, fig. 4; Richters, Ber. Senckenberg. Ges. 1902 (ii) : 
E. blumi, p. 172, wendti, p. 172, oihonnce , p. 172, Spitzbergen ; 
Richters, Zool. Anz. xxvii : n. spp. 
Macrobiotus tetradactylus infested by Psorosperms, p. 13, pi. ii, fig. 3 ; 
Richters, Ber. Senckenberg. Ges. 1902 (ii) : M. hufelandi , p. 169, 
fig. 2; Richters, Zool. Anz. xxvii. 
M. echinogenitus , p. 169, fig. 1, coronifer , p. 171, granulatus , p. 171, 
Spitzbergen; Richters, t. c. n. spp. 
Milnesium , note on char, of spp. p. 166 ; Botezat, Verh. Deutsch. naturf. 
lxxiv, 2 ter Th. l Bte Halfte. 
10. PENTASTOMIDA. 
[Vacant.] 
