acari. Arachn. 31 
Agaue ornata , Cape Verdes, p. 86, pi. xi, figg. 3 & 4, Loiimann, Hala- 
carinen der Plankton Expedition, n. sp. 
Ilalacarus borealis, p. 257, fig. 28, poucheti , p. 259, fig. 29, reticulatus , 
p. 262, fig. 30, Arctic Ocean, Trouessart, Arch. miss. Sci. v ; II. 
nationalis, Bermudas, &c., p. 70, pis. i & ii, hispidus , Sidney, p. 71, 
pi. iii, figg. 7-11, panopon, Sidney, p. 72, pi. iii, figg. 1-8, pi. iv, 
figg. 8 & 9, hypertrophicus , Zanzibar, p. 74, pi. iii, figg. 2-4, pi. iv, 
figg. 1 & 2, thaleia , Zanzibar, p. 75, pi. iii, figg. 5 & 6, pulcher , 
Sidney, Bermuda, p. 77, pi. v, fig. 7, speciosus , Guinea, p. 78, pi. vii, 
fig. 5, lamellosus , Sidney, p. 79, pis. vi & vii, figg. 1-4, oblongus, p. 83, 
pi. ix, figg. 1-3, pi. x, figg. 3-7, Loiimann, Halacnrinen der Plankton 
Expedition : n. spp. 
Hydrachnidjs, 
Arrhenurus sluhlmanni , Zanzibar, p. 5, pi. i, figg. 1 & 2, gibbus , Muemba, 
p. 8, pi. i, figg. 3-6, concavus, Bagamoyo, p. 11, pi. i, figg. 7-10, 
plenipalpis , Quilimane, p. 16, pi. i, figg. 13 & 14, pectinatus, 
Zanzibar, p. 20, pi. i, fig. 15, Koenike, in Stuhlmann’s Zool. Ergeb- 
nisse; A. oblongus, p. 311, figg. 2 & 3, Piersig, Zool. Anz. xvi : 
n. spp. 
A. chavesi, Barr., — A. emarghiatus, Mull. ; Barrois, Rev. Biol, v, p. 206. 
Atax triangularis, p. 395, Piersig, Zool. Anz. xvi ; A. spinipes , Zanzibar, 
p. 23, pi. ii, figg. 16-18, simulans, Quilimane, p. 25, pi. ii, 
figg. 19 & 20, Koenike, in Stuhlmann’s Zool. Ergebnisse, &c. : 
n. spp. 
4 Axonopsis, n. g., bicolor, n. sp., p. 310, fig. 1 ; Piersig, Zool. Anz. xvi. 
] Bargena, n. g., mirifica, n. sp., Zanzibar, p. 47, pi. iii, figg. 35-41 ; 
Koenike, in Stuhlmann’s Zool. Ergebnisse, &c. 
Cnrvipes forcipatus , Bagamoyo, p. 29, pi. ii, figg. 21-25, clathratus, 
Zanzibar, p. 33, pi. iii, figg. 26-29 ; Koenike, in Stuhlmann’s Zool. 
Ergebnisse, &c. 
Ilydrachna spinosa, Zanzibar, p. 43, pi. iii, figg. 32-33 ; Koenike, in 
Stuhlmann’s Zool. Ergebnisse, &c. 
Hydryphantes schaiibi, Quilimane, p. 37, pi. iii, fig. 30, incestus , Quili- 
mane, p. 40, pi. iii, fig. 31 ; Koenike, in Stuhlmann’s Zool. 
Ergebnisse, &c. 
Thyas angusta, Rh^tia, p. 94, Koenike, Zool, Anz. xvi, n. sp. 
Ixodio®. 
Gonixodes rostralis, Guanajuato, p. 164, Duges, Naturaleza, ii, n. sp. 
Ixodes liungaricus , Hungary, p. 123, pi. xviii, fig. 5, Karpelles, Math. 
naturw. Ber. Ungarn, xi, n. sp. 
I. herrerce, Dug., figured on pi. viii ; Duges, Naturaleza, ii. 
1893. [vol. xxx.] d 6 
