46 Arachn. 
XI. ARACHNIDA. 
[ 1904 ] 
Pachylcelaps , charact. and key to subgen. with text-figg. 450 & 451, Oncho- 
dellus (n. subgen.), reticulatus , Italy, p. 452, pis. 19, figg. 173-175, 
20, fig. 179; A. Berlese, Redia i, fase. ii, n. sp. 
P. angulatipes , Corfu, p. 245 ; A. Berlese, t. c. n. sp. 
Parasitus , note on several species recently described by Dr Oudeinans, 
pp. 279 & 280; A. Berlese, t. c. 
P. poppei Oud., note on, p. 114, pi. 4, figg. 1 & 2; Oudemans, Tijdschr. 
Ent. 1904. 
P. minor Berl., note on, p. 100, P. primitivus , p. 140, P. delta, P. iota , 
P. cappa , p. 153; Oudemans, Ent. Ber. Nederland. Nos. 14-17, n. spp. 
P. bremensis , p. 651, consanguineus , p. 651, eta, p. 652, congener , p. 652, 6eta, 
p. 652, alpha , p. 653, theta, p. 653, zeta, p. 653, setosus, p. 653, consors, 
p. 654, Germany (Bremen); Voigts & Oudemans, Zool. Anz. 1904, 
n. spp. 
Pergamasus gamma , Bremen, p. 654; Voigts & Oudemans, t. c. n. sp. 
Pediculoides histricinus , Italy, p. 24, P. modestus, Italy, p. 24 ; A. Ber- 
lese, Zool. Anz. 1904, n. spp, 
Phaulocylliba n. gen., p. 270, P. ventricosa , Norvegia, p. 270; A. Berlese, 
Redia i, fasc. ii, n. sp. 
Phaulodinychus n. gen. (type P. repletus Berl.), p. 269, P. repletus , Nor- 
vegia, p. 269, P. simplex , Italy, p. 269 ; A. Berlese, t. c. n. spp. 
Phthiracarus cryptopus, California (Claremont), p. 367, pi. 41, fig. 50 ; 
Banks, P. Calif. Ac. iii,' No. 13, n. sp. 
Phyllocoptes azalece , Holland, on Azalea indica ; Nalepa, Anz. Ak. Wiss. 
1904, p. 335, n. sp. 
Phytoptus , galls of phyt. with pi. ; Melville Thurston Cook, Ohio 
Natural, v, No. 6. 
Physalozercon n. gen. for Antennophorus raffrayi Wasmann ; A. Berlese, 
Redia i, fasc. ii, p. 246. 
Physalozercon , charact. text-fig., p. 399, P. raffrayi , p. 400, pis. 13, fig. 105, 
14, fig. 105 ; A. Berlese, t. c. 
Phytoseius n. gen. (type Seius plumifer Can. et Fanz.), p. 177, P. hon'idus, 
Italy, p. 178, P. finitimus, Italy, p. 178 ; Ribaya C., Riv. Patol. Veg. x, 
n. spp. 
Pionia carnea C. Koch, note on, p. 245 ; Rina Monti, Rend. 1st. Lombardo, 
Ser. ii, t. xxxvii. 
Pcecilochirus Canestrini 1882 — Iphidiosoma Berl. 1892 (type Uoloaspis 
fimetarius Muller), p. 140, Pcecilochirus Berlese (type Acarus fucorum 
de Geer.), p. 140 ; Oudemans, Ent. Ber. Nederland. No. 16. 
Polyaspis patavinus repandus , Italy, p. 273; A. Berlese, Redia i, fasc. ii, 
n. var. 
Pseudofeltria n. gen., p. 105, P. scourfieldi , England, p. 105, text-fig. 1 ; 
C. D. Soar, J. Quekett Club, Nov. 1904, n. sp. 
Psorergates simplex Tyrrel, p. 330, parasit. on rats; G. Tiraboschi, Arch, 
parasit. 1904. 
Rhaphignathus ruber C. L. Koch = A cams denticulatus L., p. 565; Trag- 
ardh, Zool. Anz. xxvii. 
Rhipicephalus appendiculatus and other species, conveying cattle fever in 
Africa; Theiler, Rep. S. Afric. Ass. ii, pp. 201-220. 
R. hcematophysaloides Supino, p. 454, R. perpulcher Gerst. p. 455, note on, 
R. nitens, Cape Colony, p. 462, P. ziemani , Cameroon, p. 464; L. Neu- 
mann, Arch, parasit. 1904, n. spp. 
Rhyncholophus gracilipes, California (Santa Rosa Island), p. 265, pi. 41, 
fig. 56; Banks, P. Calif. Ac. iii, No. 13, n. sp. 
R. punctatus, Florida, p. 143; Banks, P. Ac. Philad. Jan. 1904, n. sp. 
Sarcoborus n. nom. for Sarcopterus Giebel (1871), p. 154; Oudemans, Ent. 
Ber. Nederland., No. 17. 
Sarcoptidce , key to genera, p. 97 ; Banks, A treatise on the Acarina. 
