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Show 1896.] SPIDERS PROM THE LOWER AMAZONS. 753 on femur iv. almost obsolete. Pedipalp variegated similarly to the legs. Two males and three females of this handsome Spider were taken on the Lower Amazons, at Gurupa and in the forest of Santarem. They are found under loose pieces of bark; but whether they construct any kind of nest I a m unable to say. The immature specimens are much more brightly coloured than the adult. The male of this species was hitherto unknown. A female too was taken by M r . Piffard near Manaos. There are four species from the New World, described under the names Harpalothele and Fufius, which would fall under the latter name should the distinction made in this paper be a permanent one. Fufius atramentarius Sim. ( $ , 17 m m . long), Ann. Soc. Ent. Fr. 1888, p. 213. Certainly not identical with the above, as shown by the following extract:-" Cephalothorax nigerrimus, opacus, fere glaber." " Medii postici anticis plus quadruplo miuores." " Mamillae ferrugineae." " Pedesque nigri, sed patellis dilutioribus et rufescentibus." Hab. Guatemala. Harpalothele lanlcla Sim. ( $ , 22 mm. long), Ann. Soc. Ent. Pr. 1892, p. 283. " Mamillae atrae." " Sternum, coxae, et partes oris nigrae." "Pedes fusco-rufescentes, flavido-pubescentes, et nigro-hirsuti." Hab. Bolivia ; Espiritu Santo. The legs are not annulate as in H. auricomis. Harpalothele garleppl, Sim. ( $ , 25 mm. long), Ann. Soc. Ent. Fr. 1892, p. 284. " Mamillae fuscae." " Pars labialis mutica, paulo latior quam longior." No mention is made of the very characteristic colouring of the legs evident in H. auricomis. Hab. Bolivia. Harpalothele albovlttata, Sim.( tf ), Ann. Soc. Ent. Fr. 1891, p. 306. 8 m m . long. Hab. Manaos, Lower Amazons. " Cephalothorax niger, opacus, pilis longis pallide fulvo-nitidis parce vestitus. Abdomen nigrum, linea media Integra albo-argenteo- pilosa decoratum. Chelae nigrae supra ad basin vitta albo-pilosa ornatae. Pars labialis mutica." "Tibia l1 paris incrassata, ovata, inferne biseriatim aculeata (aculeis 3 - 3 , interioribus longioribus) et extus ad apicem calcare vallido, apice inaequaliter bifido, armata. Metatarso gracili, ad basin curvato, et inferne, in parte basali, tuberctilis binis geminatis insigniter instructo. Bulbo simplici, longe attenuato, aculeo gra-cillimo brevi et curvato ad apicem munito. Mamillae nigrae, arti-culo apicali testaceo." Harpalothele auricomis, Sim. ( $ ) Ann. Soc. Ent. Fr. 1891, p. 305. Hab. Para, Brazil. " Cephalothorax obscure fuscus, pilis longis, nitidis, subaureis vestitus." " Pedes breves, pallide fulvi, nigro-maculati et annu- |
