8 Arachn. 
XI. ARACHNIDA. 
Laurie (3) also describes some embryos of Opisthophthalmus. 
Bernard publishes a long account of the comparative morphology of 
the Galeodidce. 
Tarnarni also gives an account of the morphology of Thelyphonus. 
Barrois & Bouvier publish investigations into the development of 
Pseudo scorpiones ; the former describes that of Chclifer , the latter of 
Garypus saxicola. 
Loman describes the secondary spiracles on the legs of Opiliones. 
Phisalix and Varigny and Norman discuss the poison of Scorpions. 
Florentin discusses the suicide of Scorpions. 
Pocock (10) describes the mechanism and process of hissing in 
Scorpions. 
2 . Aran ess. 
Circulatory apparatus of Spiders ; Causard (1). 
Stridulating organs of Trechona zebrata ; Pocock (3) : of Phlogius 
crassipes ; Spencer. 
Spermatogenesis in Spiders ; Wagner (2). 
Poison of Spiders ; Hasselt. 
Parasites of Spiders’ eggs ; Davidson. 
Biology and life of Spiders ; Beeker (1, 2, 3). 
Habits of Spiders ; Wagner (1). 
Industry of Spiders ; Schimkewitscii & Ciiolodkovsky. 
Music and Spiders ; Ent. News Philad. vii. 
Reason in Spiders ; Colfox. 
3 . Acari. 
Anatomy of Acari ; Michael (2). 
Anatomy of Bdella ; Michael (1). 
Anatomy of Gamasidce ; Neri. 
Classification of Sarcoptidce ; Trouessart (6). 
Life-history of Bryobia ribis ; Thomas. 
Myrmecophilous Acari ; Bostock. 
Revision of the Ixodkhe , I, Argasince ; Neumann. 
Respiration of Hydrachnidce ; Vleet. 
Ilydrachnidai ; Protz (1, 2). 
Acari and disease : — Pathogenic rdle of Ticks ; Megnin. Cattle Tick 
plague ; Rainbow (2). Bovine Tick fever ; Fuller (1). 
Acari commensal with Ants ; Trouessart (8). 
Acari parasitic on vine; Perraud : on swine ; Ivnoll : on beaver ; 
Kramer & Friedrich : on fowls ; Fuller (2) : on cattle ; Curtice & 
Davis (1,2). 
b. Distribution. 
For distribution of Galeodes , see Cretin, Gleadow, & Pocock (12), 
Palssardic Region. 
Great Britain ; Hydrachnidce ; Soar (1). 
Borkum : Acari ; Kramer (2). 
Caves of Enniskillen : Arachnida ; Jameson. 
