OPILIONES. 
Arachn. 37 
Chelifer dmicoides Fabr., p. 6, C. cyrneus L. Koch, p. 8, C. cancroides L., 
p. 1 1, synon. and descript. ; Ellingsen, Norske Pseudosc. ii, 1903. 
C. cancroides L. from Abyssinia, p. 444 ; E. Simon, Bull. Mus. Paris 1904, 
No. 7. 
C. michaelseni E. Simon, note on p. 4, C. echinatus, S. Patag. p. 2; 
Ellingsen, Boll. Mus. Torino xix, No. 480, n. sp. 
Chernes nodosus, note on, p. 292 ; Kew Wallis, Naturalist 1904. 
Oarypimis patagonicus, Patag. (Rio Sta Cruz), p. 5 ; Ellingsen, Boll. Mus. 
Torino xix. No. 480, n. sp. 
Ideobismm, list and observ., p. 4, /. strandi Ell., supp. descript., p. 12; 
Ellingsen, Norske Pseudosc. ii, 1903. 
Obisium muscorum Leach, note on, p. 13, 0. hrevifemoratum, Norway, p. 13 ; 
Ellingsen, t. c. n. sp. 
VII. OPILIONES. 
The Order Opiliones particularly the suborder Cyphophthahni ; general 
structure of Opiliones with special regard to Cyphophthalmi pp. 4-67. 
Systematic part pp. 75-110; H. J. Hansen and W. Sorensen, On 
two orders of Arachnida. 
Opiliones, synopsis of order, groups and families of Central American fauna ; 
Fr. Cambridge, Biol. Centr.-Amer. Arach.-Aran. ii, p. 548. 
Op. cyph ophth almi. 
Cyphophthalmi (suborder), characterization of suborder, p. 86, family 
Sironoidce, p. 87, subfam. Stylocellini consp. gen. p. 88, gen. Stylocellus 
Westw. and consp. spp., p. 88 & 89, S. beccarii Th. p. 90, pi. i, iig. 1, 
S. thorelli n. sp., Sumatra, p. 91, pi. i, fig. 2, ^S*. weberi n. sp., Sumatra, 
p. 92, pi. ii, fig. 1, >S'. modestus n. sp., Celebes, p. 93, pi. ii, fig. 2, >S'. 
sidcatus^ Java, p. 94, pi. ii, fig. 3, S. sumatranus Westw. p. 96, pi. ii, 
fig. 4, pococki n. sp., Borneo, p. 97, pi. ii, fig. 5, gen. Miopsalis 
Thorell, p. 99, Ogovia n. gen., p. 99, 0. grossa n. sp., Ogoue, p. 100, 
pi. ii, fig. 6, pi. iii, fig. 1, gen. Pettalus Thorell, p. 102, P. cimiciformis 
Cambr. p. 102, pi. iii, fig. 2, P. brevicauda Pocock, p. 104, pi. iii, fig. 3, 
Purcellia n. gen., p. 105, P. illustrans n. sp., p. 106, pi. iii, fig. 4, 
pi. iv, fig. 1, gen Siro Latr., p. 107, S. rubens Latr., p. 108, pi. iv, fig. 2, 
S. duricorius Joseph, p. 109, pi. iv, fig. 3, pi. v, fig. 1, Parasiro n. gen., 
p. 110 (typ. Siro corsicus E. Sim.), P. corsicus E. Simon, p. Ill, pi. v, 
fig. 2 ; Gibocellum sudeticum Stecker, species non existens, pp. 67-75 ; 
H. J. Hansen & W. Sorensen, On two orders of Arachnida etc. 
Cambridge, 1904. 
Op. mecostethi. 
Cosmetidce (fam.), divided into two subfamilies: DiscosomincB nov. et 
Cosmetince nov., p. 549 ; Fr. Cambridge, Biol. Centr.-Amer. Arach.- 
Aran. ii. 
Cosmetince subfam., key to genera of Centr.-Amer. fauna; id. t. c. p. 550. 
Cynorta, def. and key to Centr.-Am. spp., pp. 554&555, C.albipvMctata, Costa 
Rica, p. 556, pi, 52, fig. 9, C. bipunctata, Costa Rica, p. 556, pi. 52, 
fig. 10, C. biguttata, Costa Rica, p. 557, pi. 52, fig. 11, C. bituberculata, 
Guatemala, p. 557, pi. 52, fig. 12, C. longipes, Costa Rica, p. 557, 
pi. 52, fig. 13, C. longispina, Costa Rica, p. 558, pi. 52, fig. 14, C. 
dentipes, Guatem., Costa Rica, p. 558, pi. 52, fig. 15, C. annulipes, 
Guatemala, p. 558, pi. 52, fig. 16, C. conigera, Costa Rica, p. 559, 
pi. 52, fig. 17 ; Fr. Cambridge, t. c. n. spp. 
