17 Arachn. 
Systematic — Aoari— Tardigrada. 
3031 
Nanorchestes collinus sp. n. Somerset 
p. 213, Hirst Ann. Mag. Nat. Hist. 2. 
Pigmeophorus quadratus sp. n. 
Illinois p. 166 fig., Ewing Bull. Amer. 
Mus. Nat. Hist. 37. 
Rhagidia muscicola sp. n. Tyne p. 35, 
Hull Trans. Nat. Hist. Soc. Northumb. 
5. 
Rhaphignathus sphagneti sp. n. Tyne 
p. 30, Hull t.c. — Rhaphygnathus pecti- 
natus sp. n. Iowa p. 151 fig., Ewing 
Bull. Amer. Mus. Nat. Hist. 37. 
Rhinothrombium inopinum sp. n. 
Tyne p. 22 fig., Hull Trans. Nat. Hist. 
Soc. Northumb. 5. 
Rhi/ncholophus penninus p. 24, pachy- 
pus p. 25, spp. n. Tyne, figs., Hull 
t.c. 
Tarsonemus pallidus p. 373 figs., 
Moznette J. Agric. Res. Washington 
10 . 
Tenui palpus erythreus sp. n. Iowa 
p. 152 fig., Ewing Bull. Amer. Mus. Nat. 
Hist. 37. 
Tydaeus roseus sp. n. Tyne p. 35, 
Hull Trans. Nat. Hist. Soc. Northumb. 
5. 
Hydrachnidae. 
Haeberli 28. 
Hygrobates longipalpis subsp. n. 
insulana. Faroe Ids. p. 32, Viets Zool. 
Anz. 50. 
Lebertia ( Mixolebertia ) alala sp. n. 
Faroe Ids. p. 31, Viets t.c.— L. sefvei 
p. 375 figs., Williamson & Soar J. 
Quek. Microsc. Cl. 13. 
Limnesia arevaloi sp. n. Spain p. Ill, 
Viets Zool. Anz. 50. 
Unionicola aculeata p. 125 figs., 
Faust Trans. Amer. Microsc. Soc. 37. 
Halaoaridae. 
(Vacant.) 
Bdellidae. 
Bdella tenuirostris sp. n. Ohio p. 149, 
fig., peregrina var. n. iowaensis Iowa 
p. 150, Ewing Bull. Amer. Mus. Nat. 
Hist. 37« 
Eupalus parvus sp. n. Iowa p. 151 
fig., Ewing t.c. 
Scirus simplex sp. n. Illinois p. 150 fig., 
Ewing t.c. 
Sarcoptidae. 
Johnston 40, 41. 
Atopomelus gen. n. p. 155, type 
locusta sp. n. on Neotetracus W. China 
p. 157 figs., Trouessart Paris Bull. Soc. 
Zool. 42 
Campylochirus type chelopus Trt. 
p. 154, Trouessart t.c. 
Euryzonus gen. n. type ventricosus 
on Sigmodon N. Brazil p. 155 fig., 
Trouessart t.c. 
ISarcoptes aucheniae varr. [n.] lamae, 
alpacis Bolivia p. 143 figs., Torreg- 
giani Re vista Jard. Zool. Buenos 
Aires 8. 
Tyroglyphidae. 
Rhizoglyphns sagitlalae sp. n. Montana 
p. 336 figs., Faust Ent. News Phila- 
delphia 29. 
Demodioidae. 
Hirst 32. 
Demodex soricinus on Sorex , apodemi 
on Apodemus, longior on Apodemus , 
p. 145, nanus on Rattus p. 146 [loo ?], 
Hirst Ann. Mag. Nat. Hist. 2. 
Eriophyidae. 
Enders 14. — Quaintance 52. 
Eriophyes brelhesi sp. n. Buenos Aires 
p. 241, Lizer Physis 3. 
Phyllocoptes toxicophagus sp. n. on 
Rhus diver siloba, Oregon p. 324 fig., 
Ewing Proc. Iowa Acad. 24. 
TARDIGRADA. 
Haeberli 28. 
PENTASTOMIDA. 
Johnston 40. 
b 5 
(n-5464 n) 
