18 Arachn. 
X. Arachnida. 
[1921], 
Progyndes gen. n. ( Gonyleptidae ) 
curvitibialis sp. n. Argentina p. 107 
text-fig., Roewer t.c. 
Prosclerosoma similis sp. n. Italy 
p. 154, Roewer t.c. 
Proscololeinon gen. n. ( Phalango - 
dinae) sauteri sp. n. Japan p. 7, Roewer 
Arch. Natg. Berlin 81 A Hft. 12. 
Rhampsinitus granarius Transvaal 
p. 154, filipes East Africa p. 155, text- 
figs., spp. n., Roewer Arch. Natg. 
Berlin 82 A Hft. 2. 
Sibambea gen. n. ( Discosominae ) 
rotunda p. 106 text-fig., Roewer 
t.c. 
Sphaerobunus gen. n. ( Gonyleptidae ) 
rhinoceros sp. n. Brazil p. 142 text-fig., 
Roewer t.c. 
Ventripila gen. n. ( Gonyleptidae ) 
marginala sp. n. Ecuador p. 147 text- 
fig., Roewer t.c. 
Weyhia parva sp. n. Brazil p. 133 
text-fig., Roewer t.c. 
RICINULEI. 
Cryptostemma crassipalpe p. 23 pi. ii, 
feae sp. n. W. Africa p. 26 pis. ii-iii, 
Hansen Stud, on Arthrop. 1. 
ACARI. 
Allen 1 ; Bates, Dunn & St. 
John 3 ; Garman 43 ; Hewitt 51 ; 
Krausse 66, 67 ; Oudemans 84 ; 
Riley 91 ; Senevet 98 ; Strand 106 ; 
Ward & Gallagher 121. Italian 
spp., Berlese 12. 
Oribatidae. 
Kreis 69. 
Gamisia pallialus p. 9 text-figs., 
Oudemans 81. 
Garabodes alveolatus p. 49, reticulatus 
p. 55, taprobanae p. 57, text-figs., 
Oudemans 81. 
Gentroribates mucronatus p. 80 text- 
figs., Oudemans 82. 
Gosmochthonius p. 28, gemma p. 25 
text-figs., Oudemans 81. 
Gultroribula diversa p. 47 text-figs., 
Oudemans 81. 
Cymbaeremaeus cy clops p. 18 text* 
figs., Oudemans 81. 
Epilohmannia minuta sp. n. Columbia 
p. 149, Berlese Redia 14. 
Galumna divided into separate genera 
p. 13, keys to spp. pp. 22, 38, 43, 66, 
emarginata p. 23, elimatus p. 24, 
Columbiana p. 25, dorsalis p. 26, altera 
p. 28, europaeus p. 31, retalata p. 32, 
heros p. 37, formicarius p. 38, tarsi- 
pennata p. 39, obvius p. 42, norvegicus 
p. 43, berlesei nom. n. for integer 
(Berlese nec alatus var. integer Berl.) 
p. 44, myrmophilus, pterinervis p. 45, 
lanceatus p. 46, linata p. 51, allifera 
p. 54, “ alata ” p. 58, alatus p. 59, 
longiplumus p. 62, colossus p. 67, 
tantillus , integer p. 70, tenuiclavus 
p. 71, sp. ? p. 71 text-figs, most spp., 
Oudemans Arch. Natg. Berlin 83 A 
Hft. 4 ; vide also Sandenia. 
Hafenrejferia gilvipes p. 29 text-figs., 
Oudemans 81. 
Hypochthonius luteus p. 21, rufulus 
p. 22 text-figs., Oudemans 81. 
Kratzensteinia gen. n. for Oribata 
rugifrons, rugifrons p. 79, Oudemans 
Arch. Natg. Berlin 83 A Hft. 4. 
Lesseria gen. n. ( Lesseriidae ) szan- 
isloi p. 79 text-figs., Oudemans Arch. 
Natg. Berlin 82 A Hft. 6. 
Lesseriidae fam. \n. ( Digastropeltae ) 
p. 76, Oudemans t.c. 
Murcia indica p. 64, insularis p. 
67, text-figs., Oudemans 81. 
Neoribates key to spp. p. 15, auran- 
tiaca p. 16, oceanica p. 19 text-figs., 
Oudemans 82. 
Oribatella ceylanica p. 70 text-figs., 
Oudemans 81. 
Oribates emarginatus var. comparandus 
var. n. S. America p. 151, Berlese 
Redia 14 ; vide also Vaghia. 
Oribatoidea, key to families and 
subfamilies p. 76, Oudemans 81. 
Oribatula (Hemileius) comat a sp. n. 
Columbia p. 150, Berlese Redia 14. — 
0. exilis, frisiae p. 43 text-figs., Oude- 
mans 81. 
Phtiracarulus subg. n. of Phtiracarus 
q. v. 
Phtiracarus, Phtiracarulus subg. n. 
perexiguus sp. n. Italy p. 149, 
Phtiracarus nigerrimus sp. n. La Plata 
p. 149, Berlese Redia 14. 
