. Die Fauna Südwest-Australiens; Ergebnisse, hrsg. von W. Michaelsen und R. Hartmeyer. Zoology. 206 Eugene Simon, femore gracili et curvato, superne aculeis binis imiseriatis munito, patella longiore quam latiore subparallela, tibia patella vix breviore, paulo an- gustiore, apophysi apicali brevi, simplici et acuta, extus instructa, tarso pai'vo et anguste ovato, bulbo simplici, piano. Stat. 67, Dirk Hartog, Brown Station. A speciebus cunctis numerosis hujus generis ex Australia orientali chelis maris subtus convexis, sed tuberculo subapicali carentibus diifert. Opisthoncus macheeroclus n. sp.


. Die Fauna Südwest-Australiens; Ergebnisse, hrsg. von W. Michaelsen und R. Hartmeyer. Zoology. 206 Eugene Simon, femore gracili et curvato, superne aculeis binis imiseriatis munito, patella longiore quam latiore subparallela, tibia patella vix breviore, paulo an- gustiore, apophysi apicali brevi, simplici et acuta, extus instructa, tarso pai'vo et anguste ovato, bulbo simplici, piano. Stat. 67, Dirk Hartog, Brown Station. A speciebus cunctis numerosis hujus generis ex Australia orientali chelis maris subtus convexis, sed tuberculo subapicali carentibus diifert. Opisthoncus macheeroclus n. sp. cJ. Long. 5 mm (fere omnino depilis). Cephalothorax crassus, nigro- castaueus, antice, poue oculos anticos, paulo dilutior et rufescenti-tinctus, fere laevis, cervino-pubescens (?), parte thoracica in declivitate vitta lata semicirculari albo-pilosa notata, parte cephalica tuberculo postico humillimo vix expresso. Pili oculorum rubri. Clypeus parce setosus fere nudus. Oculi antici apicibus in lineam vix recurvam, laterales a mediis spatio oculo laterali vix minore distantes. Abdomen oblongum, supra nigrum, cer- vino-pubescens (V), vitta media dilutiore, saltem in dimidio apicali ci'enulata, albido-pilosa, ornatum, subtus paulo dilutius, sed vitta media confusa ob- scuriore notatum et albido-pilosum. Partes oris et sternum nigra, hoc longe albo-pilosum. Chelae robustae, longae, attenuatae et divaricatae, supra fusco-rufulae, vix aeneo-tinctae, parce cinereo-crinitae, supra ad apicem dente valido, curvato et attenuato, sed obtuso. subtus in dimidio apicali, prope mar- ginem exteriorem, dente fere simili, sed obtusiore et valde incurvo armatae, Fig. 14. Opisthoncus machacrodus margine inferiore sulci dente angulari 11. sp. A Chelae maris superne visae. nigro validissimo erecto, levissime an- B Chelae maris inferne visae. tice arcuato atque acuto, munito, ungue longo, ad basin crasso et supra, prope liasin, convexo et obtusissime in- aequali. Pedes nigro-castanei, coxis femoribus


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