12 Aruchk xi. arachnida, [1905] 
196. Wood, E. H. Notes on Argyroneta aquatioa and some other Spidery, 
P. South London Soc. 1904-6, p. 16. . ( 
196. Zacharias, 0. Original- Mikrophotogramme. Arch. Hydrobiol. i, 
pp. 234-246, 23 figg. [3 photomicrographs of Hydrachnidce.] 
197, Ziegler, H. E. Das zoologische System' im Unterricht. Verh. 
Deutsch. zool. Ges. 1904, pp. 163-178, 9 text-figg. 
II. BIOLOGY, 
1. Morphology and Glassification. 
Relationships of Arachnida ; Ziegler (197). 
Review of genera of Hydrachnidce ; Wolcott (193), 
Classification ; of Scorpiones; Kr^epelin (79): of Pedipalpi ( Thely - 
'phonidce); Tarnani (162): of Aranece; Dahl (37). 
Segmentation and phylogeny of Arachnids; Carpenter (27). 
Morphology: of Tardigrada ; Basse (10); of Pedipalpi ( Tartarides ) ; 
Hansen & Sorensen (63): of Solifugce ; Heymons (64). 
Secondary sexual characters of Gggrellince ; With (191). 
Phylogeny and structure of heart of scorpion ; Gadzikicwicz (59). 
Musculature of Aranece and Acari ; Snethlage (166). 
Anatomy : of Tardigrada ; Basse (10) : of digostivo and genital organs 
iof Ixodidce (Acari) ; Lavauha (84): of lioophilua annulatua (Acari) ; 
Williams (190). 
Anatomy and histology: of Acari (Ixodes)] Nordenskiold (118): of 
poison glands of Aranece (Latrodectus) ; Bordas (18) : of eyes of Hydrach- 
nidce (Acari ) ; Lang (83). 
Glands: of Holothyridce and Hydrachnidce (Acari) ; Thon (165, 166 & 
168): of Ixodidce (Acari ) ; Newstead (112). 
Respiratory organs of Acari (Holothyrus ) ; Thon (167). 
Ganglia of chelicerie of Scorpion ; Police (138). 
“Coxal sac” of Pseudoscorpiones ; With (192). 
.2. Physiology. 
Secretion in ovary of Hydrachnidce ; Thon (164) : coloured secretion in 
Opiliones ; Loman (96). 
Physiology of poison-glands of Latrodectus (Aranece)] Bordas (18): 
Venom, of Tunisian scorpion; Nicolle & Catouillaiid (113 & 114), of 
.Spiders; Mitchell (104). 
Chemical composition of integument of Arachnida ; Mirande (103). 
3. Reproduction and Development. 
Copulation of A cari; Donitz (42). 
Development of Ornithodoros moubata (Acari); Newstead (112): of 
Solifugce ; Heymons (64 & 66); Post-embryonic development of Acari ; 
Tragardh (177). 
Eggs of Acari (Hydrachna ) ; Prince (139) : Minute structure of ova of 
Spiders; Strand (161). 
Spermatophores ? in Schizomus ( Pedipalpi ); Hansen & Sorensen (63). 
Spermatogenesis of Aranece and Opiliones ; Bosenberg (20); of Aranece ; 
Wallace (188), Montgomery (105). 
