14 Arachn. 
XI. ARACHNIDA. 
212. Wheler, E. G. Note on a remarkable stigmatic organ in the 
Nymph of Ornithodoros megnini (Duges). J. Quekett Club (2) viii, 
pp. 61 & 62, 2 figg. in text. 
Abstract in J. It. Micr. Soc. 1901, p. 417. 
213. -. Classification of British Ticks. Science Gossip (n. s.) vii, 
pp. 363-365, viii, 11 & 12, 37-41, 71-74, 102 & 103, 25 figg. in text. 
214. -. New British Ticks. Op. cit. viii, p. 204, fig. in text. 
215. Wolcott, R. H. Description of a New Genus of North American 
Water Mites, with observations on the classification of the Group. 
Tr. Amer. Micr. Soc. xxii, pp. 105-117, pi. xxi. 
Abstract by R. Piersig in Zool. Centrlbl. viii (1901), pp. 590 & 591. 
216. Woodruffe-Peacock, E. A. Lincolnshire Harvestmen or Phalan- 
gidea. Naturalist 1899, xxiv, pp. 331 & 332. 
217. Zehntner, L. De Mijten van het Suikerriet op Java. i. Tetranychus 
exsiccator Zehnt. Arch. Java. Suikerind. 1901, Aft. 5, 17 pp., 2 pis. 
Account of the Mite and of the Insects which destroy it. 
II. SUBJECT INDEX. 
1. Morphology. 
Morphology of the Scottish Silurian Scorpion; Pocock (154): of the 
last segment of the Leg of Arachnida ; de Meijere (115). 
External Morphology of Koenenia mirabilis ; Borner (17). 
Structure of Palpigradi\ Hansen (73), p. 204. 
Anatomy of Koenenia wheeleri , n. sp.; Rucker (164): of Pedicvdoides ; 
Brucker (21): of the Tyroglyphidce ; Michael (116), pp. 45-125, pis. a-c. 
Endocrania of My gale ; Patten & Redenbaugh (127). 
Buccal pieces of the Ixodidoe\ Brucker (22), Jourdain (84). Theory 
of the Buccal Pieces of Acari ; Brucker (21), pp. 422-446. 
Spinning organs and habits in Pseudoscorpiones ; Ivew (91), p. 228. 
Existence of different types of Tracheal apparatus in the same family of 
Aranece\ Lamy (103). Terminations of the trachece in Arane<x\ Lamy 
( 104 )- 
Nervous system of Euscorpius italicus ; Police (155). Sense organs 
and Nervous system of the Artkropoda ; Rath (161). Eyes of Scorpions 
and Spiders; Hesse (74), pp. 440-448. 
Structure of the Copulatory Organ of Arrenurus ; Ivoenike (93). Copu- 
latory organ of males of Arrenurus in relation to identification of the spp.; 
Koenike (93). 
A problematical stigmatic organ in Ornithodoros megnini ; Wheler 
(2i2). 
Value of the Cribellum and Calamistrum in the Classification of Spiders; 
Dahl (40). 
Variation in the tubercles and tufts of hair on the legs in Nephila 
clavipes and cornuta\ F. 0. P. Cambridge, Ann. Nat. Hist. (7) vii, 
pp. 325-327. 
2. Physiology. 
Metamorphosis of the first pail* of Ambulatory Legs of Charon into a 
physiological pair of Feelers; Lauterer (108). 
Regeneration of appendages in the Arachnida ; Bordage (13). 
