ACARI. 
Arachn. 43 
Holostaspella n. subgen. for Holostaspis sculpta, Cape Colony, in nidis 
Termitidis tubicolce, p. 241 ; A. Berlese, t. c. n. sp. 
Holostaspis mandihularis, p. 26*3, H. posteroarmatus, p. 263, H. suhhadius, 
p. 264, H. penicilliger, p. 264, Italy, H. longispinosus Kr. asper, Corfu, 
p. 264, H. longulus hortorum, Italy, p. 265, H. {Gamosholaspis) 
gam.asoides, Italia, p. 265, H. {Holaspulus) tenuipes^ Italia, p. 266 ; 
A. Berlese, t. c. n. spp and n. var. 
H. pisentii BerL, note on, p. 279 ; A. Berlese, t, c. 
Hoploderma phyllophorum, p. 275, H. clavigerum^ p. 275, Italy ; A. Berlese, 
t. c. n. spp. 
Hoplolcelaps n. subgen. of gen, Lcelaps (typ. Lcelaps hermaplirodita BerL), 
p. 14; A. Berlese, Zool. Anz. 1904. 
Hoplomegistus n. gen. (type Megistanus armiger)^ p. 266 ; A. Berlese, 
Bedia i, fasc. ii. 
Hydrachnidce, the Servian, with descriiDtions, in Servian, of certain species 
that may be new (Limnesia serbica^ dentata etc.) though not so 
indicated ; Gjorgevic, Ghlas Srpska Ak. Ixvii, pp. 153-189. 
Hydracknidce, key to genera, p. 37 ; Banks, A treatise on the Acarina. 
Hydrachnidce^ nomencl. rem. ; Thor, Nyt Mag. Naturv. xli. 
Hydrachna distincta Keen., p. 200, pi. 10, fig. 4 ; J. H. Halbert, Irish 
Natural, xiii, No, 9. 
H. tectocervix, Borkum IsL, p. 92 ; Oddemans, Ent. Ber. Nederland. No. 13, 
n. sp. 
Hydrogamasus silvestrii, Italy, p. 27 ; A. Berlese, Zool. Anz. 1904, n. sp. 
Hydryphantes^ p. 74 ; S. Thor, Nyt Mag. Naturv. xli, n. var. 
H. jujuyensis^ Rep. Argent, prov. Jujuy, p, 395, figg, 1 & 2 ; E. Norden- 
skiold, Arkiv Zool. i, n. sp. 
Hygrohates dodecaporus^ Rep. Argent, prov. Jujuy, p. 396; E. Norden- 
SKIOLD, t. c. n. sp. 
Hypoaspis Canestr., note on, p. 14 ; A. Berlese, Zool. Anz. 1904. 
H. pavidus (Koch) Oudem, and H. cossi (Dug^s) Oudem., synony. note, 
p. 276 ; A. Berlese, Redia i, fasc, ii. 
H. ometes Holl., p. 100 ; Oudemans, Ent. Ber. Nederland. No. 14, n. sp. 
H. luhrica^ Bremen, p, 654 ; Voigts & Oudemans, Zool, Anz, 1904, n. sp. 
Hypochthonius miniitissimus^ Italj^, p, 252 ; A, Berlese, Redia i, fasc, ii,n. sp. 
Imparipes histricinus, Italy, p, 24 ; A. Berlese, Zool, Anz, 1904, n. sp. 
Iphidioides n. nom. for Iphis C. L. Koch (prseocc. Leach 1817) et Eumoeus 
C. L, Koch (prseocc. Hubner 1816) et Emeus Megnin (lapsus for 
Eumoeus)^ tjpe Iphis ostrinus C. L. K., p. 140, /. concentricus (loc. ?), 
p. 140 ; Oudemans, Ent. Ber. Nederland. No. 16, n. sp. 
Iphidiopsis instead of Iphiopsis Berlese, p. 140 ; Oudemans, t. c. 
Iphidulus n. gen., p. 176, /. communis, Italy, p. 176, /. communis hederce, 
p. 176, /. longicuadus, Italy, p. 176; Ribaya C, Riv. Patol. Veg. x, 
n. spp. and subsp. 
Ixodidoe, biology of, p. 569, 4 text-figg. ; P. Megnin, J. Anat. Physiol, xl. 
Ixodidce, key to subfam. and gen., pp. 45-47 ; Banks, A treatise on the 
Acarina. 
Ixodides, note sur les, i. Sur la classification des Ixodidw, p. 444, ii. Note 
sur des esp^ces connues, p, 450, /. thoracicus K. euryptidis Markell, 
fodiens Murray, p. 451, ovatus Neum. p. 452, hificrcatus Neum., 
hrunneus K, p, 455, iii. Esp^ces nouvelles, /. australiensis, Austr. occid. 
(on Canis) p. 457, /. holiviensis, Bolivia (on Speothas venaticus), p, 458, 
1. japonicus, Tokio, p, 458, /, nitens, Christmas Isl. (on Mus macleari) 
p, 459, /. ruhicundulus, Cape Colony (on Ovis), p. 461, /. sculptus. 
California, p. 462 ; L. G. Neumann, Arch, parasit. 1904, text-fig., n. spp. 
Ixodes ricinus, p. 335, teiiuirostris Neum. p. 336, acuminatus Neum. p. 336 
parasit. on rats ; G. Tiraboschi, Arch, parasit. 1904, text-fig. 
/. pilosus, note on, p. 291 ; Mally, Agric. J. Cape Good Hope, t. xxv. 
