18 Arachn. 
AMCHNIDA. 
Isometrus armillatus^ sp. n., Simon, 1. c. p. 94, Manilla. J. crassimanus, 
p. 129, Mexico, I. stigmurus^ p. 132, S. America, I. antillanus, p. 134, 
Antilles, E. Indies, I. variatus, p. 136, New Holland, I. gracilis^ p. 139, 
Australia, I. fuscus^ p. 140, Cordova, S. America, spp. nn., T. Thorell, 
Atti Soc. Ital. xix. 
Choirilus [C^as-], g. n. Allied to Uroctonus, Thor. Differs in form of 
sternum; in Uroctonus it is much broader than long, and the “combs” 
have ten lamellae and two rows of “pieces.” Type, C. variegatiis^ sp. n., 
Simon, 1. c. p. 239, pi. hi. fig. 13, Java. 
Broteas herbsti, Thor., p. 240, S. Brazil, La Plata, and B, granulatus^ 
p. 241, sp. n,, Cayenne, Maroni, id. 1. c. 
Buihus villosus, Pet., = Scorpio australis^ Herbst, Phonurus {Androc- 
tonus) villosusy Pet., and Buthus craturus^ Thor. ; T. Thorell, Atti Soc. 
Ital. xix. pp. 103-106, Africa. B. doricc^ p. 107, Persia, B. breviinanus, 
p. 110, S. Africa, B. hedenborgi, p. 113, Syria, and B. conspersus, spp. nn., 
id. 1. c., S. Africa. 
Leprous pilosuSj Thor., p. 118, and L. vittatus, sp. n., p. 121, Caffraria, 
id. 1. c. 
Tityus triangulifcr^ sp. n., id. 1. c. p. 123, S. Africa. 
Phassus colombianuSf Thor. ; id. 1. c. p. 127, Bogota. 
Bhopalurus laticauda, Thor. ; id. 1. c. p. 143, Bogota. 
Centrums elegans, p. 145 (? Mexico or Java), C. insulamts, p. 148, 
California, C. nitidus, p. 152, S. Domingo, C. tenuis, p. 153, Antilles, S. 
Domingo, and New York?, C. granosus, p. 155, Island St. Joseph, Gulf 
of Panama, C. bertholdi, p. 158, Mexico, spp. nn., and C. testaceus, Duf., 
p. 160, America, id. 1. c. 
Bothriurus vittatus, Gu^r., p. 168, Brazil, and B. dorbignii, Gu^r., 
p. 170, Bolivia and Cordova, id. 1. c. 
Telegonus weyenberghi, p. 173, and T. ferruginous, p. 176, spp. nn,, id. 
1. c., Cordova. 
Cercophonius squama, Gerv., p. 178, Australia, and C. brachycentrus, 
p. 180, St. Juan and Cordova, spp. nn., id. 1. c. 
Vejovis intrepidus, Thor. ; id. 1. c. p. 183, Mexico. 
Hadrurus maculatus, sp. n., p. 186, Callao, Peru, and PL. (as Buthus) 
hirsutus, Wood, p. 189, California, id. 1. c. 
lurus granulatus, C. L. Koch ; id. 1. c. p. 193, Greece and Egypt, 
Uroctonus mordax, Thor. ; id. 1. c. p. 196, California, San Francisco. 
Pandinus humilis, sp. n., E. Simon, 1. c. p. 94, Manilla. 
Pandinus asper, sp. n., p. 199, locality unknown; P. (as Scorpio) 
africanus, Linn., p. 202, Africa, = Heterometrus rceseli, Sim. ; and P. 
(as Buthus) megacephalus, C. L. Koch, p. 203, E. Indies, = Scorpio 
indicus and S. afer, Linn., and S. indus, De Geer : Thorell, 1. c. 
Palamnceus angustimanus, p. 211, sp. n., E. Indies; P. peter si, ILhov., 
p. 214, Singapore, E. Indies, = Heterometrus megacephalus, Sim. ; P. 
costimanus, C. L. Koch, p. 217, Borneo, E. Indies ; and P. Icevigatus, 
sp. n., p. 221, Melbourne, New Holland; id. 1. c. 
ALicephonus wahlbergi, Thor. ; id. 1. c. p. 222, S. Africa. 
Opisthophthalmus latro, p. 225, locality unknown, probably S. Africa, 0. 
Iccviceps, p. 228, 0. prcedo, p. 230, 0. pugnax, p. 232, 0. curtus, p. 234, 
