44 Arachn. 
XI. Arachnida. 
[1909] 
Pontarachna formosae sp. n. Formosa, 
Lohmann Zool. Anz. 34 p. 300. — 
P. denhami sp. n. Australia, Lohmann 
Fauna Siidwest-Australiens Bd. 2 
Lfg. 11 p. 151. 
Protzia brevipalpis sp. n. Trentino 
p. 258 ligs. 5-7, invalvciris var. p. 257, 
Maglio Milano Atti. Soc. ital. sc. nat. 
43. 
Sperchon denticulatus p. 261 fig. 8, 
vaginosus p. 263, ticinense n. var. 
multisetosurn p. 264, brevirostris p. 266, 
mutilus p. 267, thienemanni p. 268, 
Maglio T.c. 
Thyas clypeolata p. 253 figs. 1 and 2, 
tridentina p. 255 figs. 3 and 4, spp. n. 
Trentino, Maglio T.c. 
Torrenticola, notes on gen. p. 289, 
maglioi p. 290, elliptica sp. n. Trentino 
p. 291 figs. 23-26, Maglio T.c. 
Unionicola type Hydrachna ypsilo- 
phora Bonz, synomymy, Williamson 
Edinburgh Proc. R. Physic Soc. 17 
p. 223. 
Halaoaridae. 
Agaue spinipes sp. n. Golfo di Napoli, 
Police Archivio zool. 3 p. 434 figs. J-6. 
Halacarus ( Hulacarus ) longiunguis 
p. 416 figs. 27-31, ( Copidognathus ) 
magnipalpus p. 422 figs. 32-39, cr\bro- 
soma p. 426 figs. 7-13, sculptus p. 430 
figs. 21-26, spp. n. Golfo di Napoli, 
Police T.c. — H. austratensis sp. n. 
Sharks Bay, Lohmann Fauna Siidwest 
Australiens Bd. 2 Lfg. 11 p. 153. 
Rhombognathus sphaerorhynchus sp. n. 
Golfo di Napoli, Police Archivio zool. 
3 p. 411 figs. 14-20. 
Bdellidae. 
Evpalus ■ pectinatus sp. n. Illinois, 
Ewing Philadelphia Trans. Amer. 
Ent. Soc. 35 p. 402 pi. xiii figs. 1 and 
2 . 
Molgus capillatus Nordkiiste Sibiriens, 
Thor St. Peterburg Mem. Ac. Sc. 
18 14 p. 7. 
Sarcoptidae. 
Avenzoariinae Bestimmungstabelle 
der Gattungen, Oudemans ’s Graven- 
hage Ber. Ned. Ent. Ver. 2 p. 331. 
Gylodites nudus parasitism, Hadiey 
Science 30 p. 605. 
Dermatoryctes Die Fussraude des 
Gefliigels, Haiduk Diss. Giessen 1909 
68 pp. 6 Taf. 
Hurting iu, Oudemans ’s Gravenhago 
Ber. Ned. Ent. Ver. 2 p. 317. 
Listrophorus vnlidus sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 11 
p. 142 pi. xi figs. 10 and 1 1 . 
Psoroptes communis parasite do 
l’otacariuso des ch^vros du Congo, 
Gedoelst Arch. Schiffshyg. 13 p. 150. 
Pterodectes armatus p. 141 pi. xiii 
fig. 24, muticus p. 141 pi. x fig. 4, spp. n. 
Ontario, Banks Washington Proc. 
Ent. Soc. 11. 
Rivoltasia bispinosa sp. n. Ontario, 
Banks T.c. p. 142 pi. xii fig. 17. 
Sarcoptes scabiei var. n. rangiferi 
Ostsibirien, Parasit von Renntier und 
Mensch (?), Gruner Archiv veterin. 
nauk 39 p. 1492 1 Taf. 
Tyroglypiiidae. 
Glycyphagus canestrinii Gouv. 
Astrachan, Borsten, Lebedew St. 
Peterb. Ann. Mus. zool. 14 p. 167 
Text f. 
Heteroglyphus gen. n. near Phizo- 
glyphus, type vitium sp. n. Italy, sulle 
radici di viti, Foa Roma Rend Acc. 
Lincei 18 2 Scm. p. 653. 
Jlistiogaster corticulis damaging 
garden bulbs, Carpenter Dublin Econ. 
Proc. R. Soc. 1 p. 603 text-fig. 
Histiostoma valida sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 11 
p. 141. 
Phizoglyphus oblongus sp. n. Illinois, 
Ewing St. Louis Trans. Acad. Sci. 
18 p. 75 pi., xi fig. 39. — P. echinopus 
sulle radici delle viti, Foa Roma 
Rend. Acc. Lincei 18 p. 650. 
Tyroglyphinae die in Futter und 
Nahrungsmitteln leben, Maurizig 
Landw. Jahrb. Schweiz Bern. 19 p. 739. 
Tyroglyphus magnisetosus sp. n. 
Illinois, Ewing St. Louis Trans. 
Acad. Sci. 18 p. 74 pi. xi fig. 38. — T. 
hrameri vivipar, Oudemans s Graven- 
hage Ber. Ned. Ent. Ver. 2 p. 320. — 
T. mycophagus Chara-Ullach-Gebirge, 
Thor St. Peterburg Mem. Ac. Sc. 
18 14 p. 20. 
Vidia squamata sp. n. Java, Oude- 
mans ’s Gravenhage Ber. Ned. Ent. 
Ver. 2 p. 320. 
Demodioidae. 
Demodex et Lepre, Borrel Paris 
0. R. Acad. sci. 148 p. 50. — I), musculi , 
Oudemans ’s Gravenhago Ber. Ned. 
Ent. Ver. 2 p. 318. — D. folliculorum var. 
