OPILIONES. ACARI. 
Arachn. 41 
Sorensenella n. g. ( Trioenonychidce), p. 409, prchemor, New Zealand, p. 409, 
text-fig. 84 A ; Pocock, P. Zool. Soc.. London 1902, ii (2) (1903) : &., key 
to spp. p. 439, bicornis , New Zealand, p. 439, pi. xi, figg. 3 & 3a; 
Pocock, Ann. Nat. Hist. (7) xi : n. spp. 
Tricenobunus pectinatus , Tasmania, p. 400 ; Pocock, P. Zool. Soc. London 
1902, ii (2) (1903), n. sp. 
Tricenonychidce , key. to genera, p. 403 ; Pocock, t. c. 
Tricenonyx , key to Australian spp. p. 405, coriacea , New Zealand, p. 403, 
text-figg. 83 B & c, aspera , Australia, p. 404, sublcevis , New Zealand, 
p. 404, text-fig. 84 d ; Pocock, t. c. n. spp. 
Trogulidce , revision of genera and spp., with keys, p. 281 ; Dahl, SB. Ges. 
naturf. Berlin 1903. 
Trogulus , Metopoctea as young stage of, p. 281 ; Dahl, SB. Ges. naturf. 
. Berlin 1903. 
T. grcecus , Greece, p. 285, corcyreeus , Corfu, p. 285, fig. 5a ; . Dahl, SB. Ges. 
naturf. Berlin 1903, n. spp. 
Zaleptus , key to spp. p. 479, fuscus, p. 479, thorellii, p. 480, minutus, p. 481, 
t hirsutus , p. 482, India; With, J. Linn. Soc. xxviii, n. spp. 
8. ACARI. 
[See also Bruntz (15), Laveran (66), Lignieres (80), Mi£gnin (77-79), 
Motas (87), RAdl (132), Richters (140), Verrill.(182).] 
Phytogeny and classification, with keys to sub-families &c. ; Oudemans, 
Tijdschr. Ent. xlvi (2), pp. 93-104. 
Discussion of systematic relationships, p. 170; With, Vid. Medd. 1904 
(1903). 
Acotyledon n. g. ( Tyroglypkidce ), p. 44, paradoxa , p. 44; Oudemans, Enti 
Ber. Nederland. No. 7 : A ., p. 147, paradoxa , Russia, p. 147, pi. xii, 
figg. 48 & 49; Oudemans, Tijdschr. Ent. xlv, n. sp. 
Aleurobius , p. 71 , farinoz, p. 73, pi. xxix ; Michael, Brit. Tyroglyph. ii. 
Androlcelaps n. subg. of Lcelaps , q.v., p. 14; Berlese, Zool. Anz. xxvii. 
Anoetus, key to hypopi, p. 22, spiniferus , p. 20, pi. iii, figg. 41 & 42; 
Oudemans, Tijdschr. Ent. xlvi. 
A. neglectuSy p. 46 ; Oudemans, Ent. Ber. Nederland, viii: A. neglectus on 
Necrophorus humator , Bremen, p. 21, pi. iii, figg. 43 & 44; Oudemans, 
Tijdschr. Ent. xlvi, n. sp. 
Argas on fowls, life-history &c. ; Lounsbury, Agric. J. Cape xxiii, pp. 261- 
273, 3 pis. : A. americanus ; Froggatt, Agric. Gaz. N. S. W. Miscell. 
Publ., No. 520 (1901). 
Arrhenurus membranator , p. 83, 5 text-figg., leuckarti, p. 304, 2 text-figg., 
compactus , p. 324, 2 text-figg.; George, Naturalist 1903: A. ornatus , 
p. 269, text-fig. 9; Halbert, Zool. Anz. xxvi: A. globator , p. 148, 
figg. la-e, var. meg alums n. var., p. 150, figg. 2a-/, securiformis , 
p. 152, figg. 4a-c, corniger, p. 155, figg. 7 a-e, cylindratus , p. 156, 
figg. 8 a-d, conicus, p. 158, figg. 9 a-d ; Marshall, Tr. Wisconsin Ac. 
xiv (1): A. dahliy p. 3, pi. i, figg. 1-6, laticodulus, p. 6, pi. i, figg. 7-13, 
latipetiolatuSy p. 9, pi. i, figg. 14-19, altipetiolatus , p. 12, pi. i, figg. 22- 
28, pi. ii, figg. 29-31, bicornutus , p. 16, pi. ii, figg. 36-48, lohmanniy 
p. 21, pi. ii, figg. 49 & 50, pi. iii, figg. 51-53 & 58 ; Piersig, Arch. 
Naturg. lxx (1). 
Arrhenurus pyriformis Manton, p. 215, 3 text-figg., ma?itonensis, p. 216, 
2 text-figg., nonforpicatuSy Lincolnshire, p. 252, 2 text-figg. ; George, 
Naturalist 1903: A. freemaniy Co. Dublin, p. 268, text-figg. 5-8, 
dilatatuSy Dublin, p. 270, text-figg. 10-12, sculptus , Dublin, p. 271, 
text-figg. 13 & 14; Halbert, Zool. Anz. xxvi: A. manubriator, p. 151, 
, figg. 3a-e, cardiacusy p. 153, figg. 5 a-e, parallelatus , p. 154, figg, 6a-e, 
