[1922] 
X. Arachnida. 
Arachn. 29 
RICINULEI. 
(Vacant.) 
ACARI. 
Brtstovve 23 ; Cleland 58 ; Don- 
nisthorpe 69 ; Ewing 73 ; Eerrant 
78 ; Hanstrom 96 ; Hull 111 ; 
Jewson & Tattersfield 116 ; Kotlan 
118 ; Moles and others 151 ; Oude- 
mans 167, 169 ; Thor 238 ; key to 
English spp. in ants’ nests p. 128 Hull 
112 . 
Oribatidae. 
Ceralozeles ( Heterozeles ) subg. n. 
palustris sp. n. E. Prussia p. 10 text- 
figs., Willmann Schr. physik. Ges. 
Konigsberg 58. 
Collohmannia gen. n. near Lohmannia 
gigantea sp. n. Rumania p. 18 text-fig., 
Sellnick Ent. mitt. Berlin 11. 
Galumna obvius sinensis subsp. n. 
Clima p. 120, sinuofrons sp. n. China 
p. 127 text-figs., Jacot J. China R. As. 
Soc. Shanghai 86 ; G. rostrala sp. n. 
Celebes ' p. 19, Sellnick Ent. Mitt. 
Berlin 11. 
Helerobelba zilcani p. 179 text-fig., 
Sellnick t.c. 
Labidosloma synonymy p. 54, brasi- 
liense sp. n. Brazil p. 55, Sellnick t.c. 
Murcia deliensis sp. n. Sumatra p. 
Ill, Oudemans Ent. Ber. Helder 6. 
Gamasidae. 
Oudemans 168. 
Parasitus flevensis sp. n. Holland 
p. 364 text-figs., Oudemans Elor. en 
Faun. Zuiderzee. 
Uropoda atlanlica sp. n. W. Africa 
p. 561 text- figs., Vitzthum Zool. 
Jahrb. Syst. 44. 
IXODIDAE AND ARGASIDAE. 
Mason 147 ; Remy 190 ; War- 
burton 258 ; Zuelzer 270. 
Ixodidae, key to genera p. 48, 
Hungarian spp. p. 49, Kotlan 119. 
Iiyalomma aegyptium p. 95 text- 
figs., Senevet 213 ; p. 393 synonymy 
p. 394 key to Algerian spp. p. 415, 
mauritanicum sp. n. Algeria p. 397 
text-figs., lusilanicum p. 403, lusi • 
tanicum berberum subsp. n. Algeria p. 
407, aegyptium aegyptium p. 409, 
aegyptium impressum p. 411, aegyptium 
dromedarii, aegyptium margaropoides 
subsp. n. Algeria p. 412, mauretanicum 
annulatum subsp. n. Algeria p. 413, 
Senevet Arch. Inst. Pasteur 2. 
Ornithodorus savignyi p. 17, Cunliffe 
62. 
Trombidiidae. 
Erost 81 ; Oudemans 168 ; Rennie 
191. 
Tarsonemidoidea, key to families and 
genera p. 105, Ewing 72. 
Prostigmata, new classification p. 222, 
Ewing Ann. Ent. Soc. Amer. 15. 
A car apis woodi p. 58, Bullamore 
36. 
Enemothromlnum eutrichum p. 109, 
walchi sp. n. Sumatra p. 108, Oudemans 
Ent. Ber. Helder 6. 
Microlrotnbidium jabanicum p. 108, 
Oudemans 167. 
Paratelranychus heteronychus sp. n. 
California p. 105, Ewing Proc. Ent. 
Soc. Washington 24. 
Raphignalus deliensis p. 110, walchi 
p. 110 spp. n., Sumatra, Oudemans 
Ent. Ber. Helder 6. 
Schdngastia salmi sp. n. Java p. 81, 
Oudemans t.c. 
Tarsonemus floriculus p. 344 text-fig., 
Mackenzie [Hirst] 136. 
Bdellidae. 
Eupalopsis pavoniformis sp. n. Hawaii 
p. 106 Ewing Proc. Ent. Soc. Washing- 
ton 24. 
Rosenhofia gen. n. near Cunaxa, 
machairodus sp. n. Sumatra p. 110, 
Oudemans Ent. Ber. Helder 6. 
Hydrachnidae. 
Elton 75 ; Hull 113 ; Pearce 
176 ; Seurat 214 ; Soar 222 ; Thor 
237 ; Viets 247. 
Many spp. from C. Europe described 
with text-figs., Viets 243. 
