16 Arad in. 
ARACHNIDA. 
21. PalammeuSf g. n. 
22. Micephonus, g. n. 
23. Ojnsthophthalmus, C. Koch. 
24. Opisthacanthus, Peters. 
25. Hormurus, g. n. 
26. Ischnu7'us, C. Koch. 
27. Urodacus, Peters. 
28. Broteas^ C. Koch. 
29. Scorpiops, Peters. 
30. loctonus, g. n. 
31. Euscorpius, g. n. 
Synoptical table for determining North American Scoipiones ; B. 
Pickman Mann, Psyche, i. pp. 209-214. 
Uroplectus occidentalism sp. n., E. Simon, Bull. Soc. Zool. Fr. i. p. 219, 
Chinchonxo, River Congo. 
Lepreus pilosiiSm sp. n., T. Thorell, 1. c. p. 7, note, Caffraria. 
Phassus columhianus, sp. n., id. 1. c. p. 8, note, Columbia. 
Rhopalui'us laticaudam sp. n., id. 1. c. p. 9, note, Columbia. 
Vejovis inirepiduSm sp. n., id. 1. c. p. 10, note, Mexico. 
Uroctonus mordax, sp. n., id, 1. c. p. 11, note, California. 
Palamnceus peter si m id. 1. c. p. 13, note, new name for Heterometrus 
megacephalus, Sim. 
Micephonus wahlhergi, sp. n., id. ibid., Caffraria. 
Ophisthacanihus maculatuSm sp. n., E. Simon, 1. c. p. 221, Landana, 
River Congo. 
Broteas herbsti, sp. n., Thorell, 1. c. p. 14, note, =r Scorpio mauruSm 
Deg., nec Linn. 
loctonus manicatuSrn sp. n., id. ibid., Australia. 
Eoscorpius carbonai'iuSm sp. n., fossil from the British coal measures, 
Sandwell Park, Birmingham ; considered to bo closely allied to an existing 
Indian species, Buthus afer. H. Woodward, J. Gr. Soc. xxxii. p. 57, 
pi. vii. fig. 1. 
Pseudo- ScoRPiONES. 
Chelifer brevipalpis, p. 226, Padua, and C. ninii, p. 227, Venice, spp, nn., 
G. Canestrini, Atti Soc. Pad. iii. 
Obisium dolichodactylunim sp. n., id. 1. c. p. 229, Trentino. 
THELYPHONIDEA. 
Phryneides. 
Phrynus tibialism E. Simon, Bull. Soc. Zool. Fr. i. p. 12, River 
Congo. 
