18 Arachn. 
ARACHNIDA. 
Astrohunus hochi^ sp. n., p. 499, Thorell, 1. c., Italy. 
Sclerosoma aardum^ p. 501, Sardinia, and S. meadii^ p. 503, Austria ? 
spp. nn., id. 1. c. 
Dicranolasma soerenseni^ p. 505, Liguria, and D. cristatum, p. 506, 
Italy, spp. nn., id. 1. c. 
Homalomtus sicanus^ sp. n., P. Pavesi, tom. cit. p. 446, Palermo. 
Syleus, g. n., T. Thorell, op. cit. ix. p. 114 ; type, JS. niger^ 0. L. Koch, 
Bombay. 
ZaleptuSy g. n. (nearly allied to Gagrelld)^ for Z. trichopus^ sp. n., 
id. 1. c. p. 116, Borneo. 
Gagrella albertisi, p. 119, and G. doleschalli^ p. 121, spp. nn., id. 1. c. 
New Guinea. 
Hexomma, g. n., type H. vulcanicum, Dol., id. 1. c. p. 114. 
Tkogulides. 
Trogulus tuherculatus, sp.n., p. 221, T. sinuosus, Soer.,p. 219, T. asperatas, 
0. Koch, p. 220, T. squalidus, L. Koch, p. 221, T. nepiformis, Latr., and 
T. coriziformis, 0. Koch, p. 222, described ; G. Canestrini, Atti Soc. Pad. 
iii. fasc. ii., Italy. 
Gonyleptides. 
Mermerus, g. n., p. 123, allied to Phalangodus, Gerv., and Scotolemon, 
Luc., for M. heccarii, sp. n., p. 124, T. Thorell, 1. c., Java. 
EpedanuSy g. n., p. 127, differs from Mermerus and the other two 
genera mentioned in the spine, or the ocular tubercle ; for E. pictus, 
p. 128, Borneo, E.javanus, p. 131, Java, and E. lutescens, p. 133, Borneo : 
spp. nn. id. 1 . c. 
COSMETIDES. 
Oncopus. g. n., p. 134, for 0. dorioi, sp. n., T. Thorell, 1. c. p. 135, 
Borneo. 
PYCNOGONIDEA, 
Cavanna, G, Riassunto di una Memoria sui Pignogonidi. Bull. Ent. 
Ital. viii. pp. 292-297. 
Chiefly anatomical. The original memoir, “ Studi e ricerohe sui 
Pignogonidi, Pte.la, Anatomia e Biologia,” is in the- Pubblicazioni del 
R. Istituto di studi superiori practici e di perfezionamente in Firenze, 
i. (1876) pp. 249-264. 
Nymphon, common in the deeper parts of the Atlantic from 1250 
fathoms, and Zetes, from 350 and 1077 fathoms ; Willemoes-Suhm, P. R. 
Soc. xxiv. p. 578. Nymphon graciUpes and hians, Heller [Zool. Rec. xii. 
