32 Arachn. 
XI. ARACHNIDA. 
[1905] 
Hyalomma cegyptium , p. 130 ; Donitz, SB. Ges. jiaturf. Berlin 1905 : H. 
cegyptium , infested by parasitic protozoon , p. 964, text-figg. ; Layeran 
& N$igre, C.R. Soc. Biol, lviii : H. cegyptium , and the hsemogregarines 
of Testudo, p. 1045; Nicolle & Comte, t. c. : H. longirostre— Am- 
ply omma longirostre , p. 231 ; Neumann, Arch, parasit. (2) ix : H. 
rujipes , Russia, pi. ii ; Lebedinsky, Zapiski Novoross. Obshch. xxv. 
Hydrachna pusilla , Paraguay, p. 276, pi. xix ; Daday, Zoologica xliv, n. sp. 
PL. conjecta , p. 29, text-figg. 26-29, aspratilis , p. 33, text-figg. 30-35, 
leviqata , p. 36, text-figg. 36-41, pi'ocessifera, p. 39, text-figg. 42-44 ; 
Koenike, Abh. Ver. Bremen xviii. 
Hydrachnidee , structure of eyes, p. 453, pis. xxvii & xxviii ; Lang, Zool. 
Jahrb. Anat. xxi : H ., p. 79; Meissner, Trudui Kazan Univ. xxxix : 
AT., list of Swiss species, p. 696 ; Thor, Rev. Suisse Zool. xiii : //., 
larvae parasitic on mosquitoes, p. 66 ; DyIs, Arch, parasit. ix : H., 
review of genera and designation of some type species, p. 161, key to 
genera, p. 221; Wolcott, Tr. Amer. micr. Soc. 1905, 10 pis. 
Hydrovolzia n. g. [see also Polyxo ] halacaroides , p. 506, text-figg. 1-7 ; 
Thor, Zool. Anz. xxviii, n. sp. 
H. halacaroides , p. 283, placophora, p. 283 ; Thor, op. cit. xxix : H. 
halacaroides , p. 681, pi. xv ; Thor, Rev. Suisse Zool. xiii. 
Hydrovolzia^ Polyxo, p. 833 ; Monti, Zool. Anz. xxviii. 
Ilydryphantes ramosus , Paraguay, p. 279, pi. xviii ; Daday, Zoologica xliv, 
n. sp. 
H. octoporus , p. 42, text-figg. 45-49, flexuosus , p. 47, text-figg. 50-52, 
dispar , p. 50, droscheri , p. 51, text-figg. 53-55, apsteini , p. 55, text-figg. 
56-58 ; Koenike, Abh. Ver. Bremen xviii. 
Hygrobates verrucifer , Paraguay, p. 319, pi. xviii; Daday, Zoologica xliv: 
H. ( Mixobates ) processifer , Norway, p. 371, text-figg. 1 & 2 ; Thor, 
Zool. Anz. xxix, n. spp. 
Hypoaspis hermaphroditoides , p. 10, pi. i, holaspis , p. 11, pi. ii, myrmeco- 
phila longisetosa , p. 12, lepta, p. 12, pi. ii, arcucdis , p. 13, pi. ii, militi- 
formis, p. 14, pi. ii ; Oudemans, Mem. Soc. zool. France xvi: H.ometes , 
p. 203, pi. viii; Oudemans, Tijdschr. Nederland. Dierk. Ver. 1904 
(viii) : H.y key to species, p. 33, ambulans , p. 33, text-figg. 55-58, 
bombicolens var. grcenlandica n. var., p. 34, text-figg. 59 & 60 ; 
Tragaiidh, Fauna Arctica iv : H. incisus ) p. 82, pi. iv, fuscicolens, 
p. 83, pi. iv, molliSy p. 84, pis. iv & v, corniger , p. 86, necorniger , p. 87, 
pi. v, subglabra , p. 88, pi. vi ; Oudemans, Abh. Yer. Bremen xviii : 
H. lubi'ica, p. 230, pi. xviii ; Voigts & Oudemans, t. c. 
Hypochthonius splendidus , p. 26, pi. ii ; Berlese, Redia ii, n. sp. 
Hypopus longisetosus , p. 121, pi. v ; Tragardh, Res. Swedish Zool. Exped. 
Egypt and White Nile ii, 1905, n. sp. 
Imparipes deg 
Berlese, 
Egypt, p. 
Egypt and White Nile ii, 1905 : n. spp. 
Ingrassia n. g. type Megnininia veligera , p. 224 ; Oudemans, Ent. Ber. 
Nederland. 1905. 
Ixodes ovata , Russia, pi. ii ; Lebedinsky, Zapiski Novoross. Obshch. xxv: 
I. hexagonus , glands, p. 1696 ; Newstead, Brit. Med. J. 1905 : 
I. reduvius , anatomy and histology, p. 478, text-figg. 1-7 ; Nordens- 
kiold, Zool. Anz. xxviii. 
Ixodidce , medical account of, p. 332 ; Stephens & Christophers, The 
Practical Study of Malaria, 1903 (University Press of Liverpool): 
anatomy of digestive and genital organs, p. 160 ; Lavarra, Boll. 
Soc. zool. I tal. vi (2). 
Joubertia n. g. type Pterodectes microphyllus , p. 239 ; Oudemans, Ent. 
Ber. Nederland. 1905. 
enerans , p. 10, pi. l, degenerans var. itahcus n. var., p. 10; 
Redia ii : I. forficulce , White Nile, p. 104, pi. v, elongatus , 
107, pis. vocvi; TragArdh, Res. Swedish Zool. Exped. 
