40 Arachn. 
XI. Arachnlda. 
[1900] 
spp. n. Illinois, Ewing Philadelphia 
Trans. Amer. Ent. Soc. 35. — O. quadri- 
cuspidata p. 119 pi. ii fig. 4 & 5, nigra 
p. 119 pi. ii fig. 6, Illinois, macroptera 
Texas p. 120 pi. ii fig. 7, rugosala 
Illinois p. 120 pi. iii fig. 8, minuta 
p. 121 pi. |iii figs. 9 & 10, latincisa 
p. 121 pi. iii fig. 11 fhelvina p. 122 pi. iii 
figs. 12 & 13, enodis p. 122 pi. iv fig. 14, 
Illinois spp. n., Ewing New York 
J. Ent. Soc. 17. — O. descr. p. 353, 
key to Illinois spp. p. 354, emarginata 
p. 355, robusta p. 355 pi. xxxiii fig. 4, 
octopunctata sp. n. Illinois p. 356 
pl. xxxiv fig. 7, spinogenuala sp. n. 
Illinois p. 357 pl. xxxiii fig. 1, unima- 
culta p. 357, turgida p. 358, minuscula 
p. 359, fuscipes p. 360, artilamellata 
sp. n. Illinois p. 360 pl. xxxiii fig. 2, 
prborea p. 361, virqinica p. 362 pl. xxxiv 
fig. 5, longa sp. n. Illinois p. 362 pl. xxxiv 
fig. 6, illinoisensis sp. n. Illinois p. 363 
pl. xxxiii fig. 3 } banlcsi sp. n. Illinois 
p. 364 figs. 2 & 3, Ewing Urbana 
Bull. III. Lab. Nat. Hist. 7. 
Oribatella formosa sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 
11 p. 138 pl. xii fig. 22. — O. magnila- 
mellata sp. n. Illinois, Ewing Phila- 
delphia Trans. Amer. Ent. Soc. 35 
p. 414 pl. xv figs. 21 & 22. — O. 
magni:eta sp. n. Illinois, Ewing New 
York J. Ent. Soc. 17 p. 123 pl. iv 
fig. 15. — 0. dof. p. 352 quadridentata 
p. 352, ovalis p. 353, Ewing Urbana 
Bull. 111. Lab. Nat. Hist. 7. 
Pelops terminalis sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 
11 p. 138 pl. xiii fig. 29. — P. laticuspi- 
datus p. 117 pl. ii figs. 1-2, bifurcatus 
p. 118 pl. ii fig. 3, spp. n. Illinois, Ewing 
New York J. Ent. Soc. 17. — P. 
latipilosus sp. n. Illinois, Ewing 
Philadelphia Trans. Amer. Ent. Soc. 
35 p. 409 pl. xv fig. 12. 
Phthiracarus fulvus Illinois p. 133 
pl. vi fig. 34, cucullatum Missouri p. 133 
pl. vi fig. 35, spp. n., Ewing New York 
J. Ent. Soc. 17. — P. descr. p. 377, 
flagelliformis p. 377 pl. xxxv fig. 13, 
americanus p. 378 pl. xxxv fig. 14, 
spp. n. Illinois, j>EwiNG Urbana Bull. 
111. Lab. Nat. Hist. 7. 
Tegeocranus descr. p. 370, vclalus 
p. 370, lamellatus p. 371, Ewing T.c. 
Gamasidae. 
Oelcenopsis pedalis p. 135 pl. x fig. 1, 
latus p. 135 pl. xii fig. 18, spp. n. 
Ontario, Banks Washington Proc. Ent. 
Soc. 11. 
Cillibano transversal is sp. n. im Nest 
von Mcssor excursion is Transkaspien, 
Karawajew Rev. russ. ent. 9 1909 
p. 234 text fig. 4. 
• Dinychus ovatus sp. n. Illinois, 
Ewing St. Louis Trans. Acad. Sci. 
18 p. 73 pl. xi fig, 36. 
Oamasus posticatus p. 137 pl. x 
figs. 3 & 8, attennipes p. 137 pl. x 
fig. 2 & 7, Ontario spp. n., Banks 
Washington Proc. Ent. Soc. 11. — 
O. oblongus p.67 pl. x fig. 25, unicornuiutf 
p. 67 pl. x figs. 26 & 27, magnicornutus 
p. 68 pl. x fig. 28, Illinois spp. n., Ewing 
St. Louis Trans. Acad. Sci. 18. 
HyletaHes missouriensis sp. n. 
Missouri and Illinois, Ewing T.c 
p. 66 pl. x figs. 22 & 24. 
laelaps multispinosus p. 136 pl. x 
figs. 5 & 6, pedalis p. 136 pl. xi fig. 15, 
propheticus p. 136 pl. xi fig. 13 ,longiseta 
p. 137 pl. xiii fig. 28, Ontario spp. n.. 
Banks Washington Proc. Ent. Soc. 
11. — L. magnichela p. 65 pl. ix fig. 20, 
mandibularis p. 65 pl. x fig. 21, flavus 
p. 66 pl. x fig. 22, Illinois spp. n., 
Ewing St. Louis Trans. Acad. Sci. 
18. — L. intermedins im Nest von 
Messor exciirsionis p. 234 Text fig. 5, 
ahngeri im Nest von Plagiolepis 
pygmea p. 235 Text fig. 6, spp. n. 
Transkaspien, Karawajew Rev. russ. 
ent. 9 1909.. 
Liponyssus canadensis sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 11 
p. 134 pl. xi fig. 12. 
Myrmocercon ovatum sp. n. im Nest 
von Tapinoma erraticum nigernmum 
Transkaspien, Karawajew Rev. russ. 
ent. 9 1909 p. 236 Text fig. 7. 
Sejus macro}, ilis sp. n. Ontario, 
Banks Washington Proc. Ent. Soc. 
11 p. 135 pl. xi fig. 16. — Seius pomi 
Parrott sp. n. New York, enemy, of 
Eriophyes pyri, Parrott Hodgkiss 
and Sckoene Agric. Exp. Sta. New 
York Geneva Bull. No. 283 1906 p. 302. 
Uropoda cribraria p. 69 pl. x fig. 29, 
folsomi p. 70 pl. xi fig. 30, illinoisensis 
p. 70 pl. xi fig. 31, fusca p. 71 pl xi 
