2 Arachn. 
ARACHNIDA (l878). 
ing to “ fan tracheae,” and a single one at a greater or less distance behind 
the others, consisting of a simple transverse slit in the skin, and leading 
to tracheae. In the first suborder, are included the families A typidce and 
Dysderidce ; in the second, the Drassidce, Sparassidce, Thomisidce, Any- 
phcenidoi, Attidce^ Lycosidoi, Argyronetidce, Micryphantidce^ Dictynidce^ 
Ulohoridcey Eresidce, Amaurobiidce, Agelenidce, Hahniidoi^ Scytodidce, 
Fholcidce, llieridiidce^ Pachygnathidce, and Epeirida. 
Cambridge, O. P. Notes on British Spiders, with descriptions of new 
species. Ann. N. H. (5) i. pp. 106-128, pi. xi. 
Forty-five species (5 new) of various families and genera are recorded. 
. Arachnida^ in Zoology of Kerguelen Island. Transit of Venus 
Expedition. Phil. Tr. clxviii. pp. 210-227, pi. xiii. figs. 2-6. 
The greater part of this is a reprint from P. Z. S. 1876, pp. 259-266, 
pi. xix., the additional portion (with woodcuts) being of a new species of 
Acarus. [Of. Zool. Rec. xiii. Arachn. p. 2.] 
Emerton, J. H. The Structure and Habits of Spiders. Salem, Mass. : 
1878, 8vo, pp. 1-118, woodcuts. (Forms vol. ii. of the “ American 
Natural History ” series.) 
A useful popular book, treating on “ Anatomy and Classification,” 
chap, i., pp. 11-31, “Eating and Biting,” chap, ii., “Spinning Habits,” 
chap, iii., “ Growth of Spiders,” including the palpi and palpal organs of 
the male spider, and the genital aperture, and processes connected with 
it of the female, chap. iv. Of all these particulars, excellent illustrations 
are given. In the preface it is stated that the portion of the work treat- 
ing of the spinning and flying habits is copied chiefly from the works of 
Blackwall and Menge ; some other portions being taken from papers 
by Wilder. 
Hermann, Otto. Magyarorszag Pok-faunaja, &c. (Ungarns Spinnen- 
fauiia, irn Auftrage der Kon. Ungarischen naturwissenschaftlichen 
Gesellschaft). ii. Das System, pp. 1-100, pis. iv.-vi. 
In continuation of the work referred to in Zool. Rec. xii. p. 239, 
following the arrangement of Thorell in “ European Spiders.” Analy- 
tical tables of suborders, families, subfamilies, and genera are given. 
The figures in the plates are clear and mostly good, detailing the eyes and 
one or two other leading characters of each genus. 
Holmberg, E. L. Ardcnidos Argentines. Aiiales de Agricultura de la 
Republica Argentina [Buenos Aires], iv. [1876] ; also separately, 
4to, pp. 28. 
Contains rough descriptions of 97 species, mostly new. The author 
admits the inexactness of this sketch ; and proposes to recast it in detail, 
with corrections and additions. He now knows of 400 species from the 
Argentine Republic. [Quoted from Naturalista Argentino, i. p. 69.] 
Karsch, F. Uebersicht der von ihm in Mossambique gesammelten 
Arachuiden. MB. Ak. Berl. 1878, pp. 314-338, pis. i. & ii. 
Records 23 species of various families and genera of Aranddea^ 1 
species of Phalangiidea, vcuA 7 oiAcaridca\ of i\\o> Aranddea, 11 are 
