18 Arachrii 
XI. Arachnida. 
[ 1910 ] 
Vitzthum, Qraf Heimann. Dis- 
parities bombi, ein Parasit der Hum- 
mein . Mikrokosmos Stuttgart 4 1910 
(33-34). 210 
Wallace, Louise B. The spermato- 
genesis of Agalena naevia. Biol. Bull. 
Woods Hole Mass. 17 1909 ,(120-160) 
pis. i-iv. 211 
Walter, C. Beitrage zur Hydra- 
carinen-Fauna der Umgebung von 
Lunz (Niederosterreich). Zool. Anz. 
Leipzig 35 1910 (496-500). 212 
Walter, C. Beitrage zur Hydra- 
carinen-Fauna der Umgobung von 
Lunz (Niederosterreich) II. [Hygro- 
bates titubans .] Zool. Anz. Leipzig 36 
1910 (230-232). 213 
Walter, C. Die Hydracarinen- 
Fauna des Mastermyr auf Gotland. 
Arch. Hydro biol. Stuttgart 5 1910 
(169-184). 214 
Warburton, Cecil. Oribatidae (Neue 
Beitrage zur Arthropoden-Fauna Nor- 
wegens von E. Strand. V.) Nyt Mag. 
Naturv. Kristiania 48 1910 (349-352). 
215 
Waterston, James. Notes on some 
Ectoparasites in the Museum, Perth. 
Perth Trans. Soc. Nat. Sci. 5 pt. 2 1910 
(48-50). 216 
Webster, F. M. A predaceous and 
supposedly beneficial mite, Pediculoides , 
becomes noxious to man. Ann.. Ent. 
Soc. Amer. Columbus Ohio 3 1910 
(15-39) pis. iii-v. 217 
Weldon, G. P. Life history notes 
and control of the common orchard 
mites Tetranychus bimaculatus and 
Bryobia pratensis. J. Econ. Ent. 
Concord N.H. 3 1910 (430-434). 218 
Wheeler, William Morton. Two new 
Myrmecophilous mites ' of the genus 
Antennophorus. Psyche Boston Mass. 
17 1910 (1-6) pi. 1 & 2. . 219 
Wheeler, William Morton. Ants ; 
their structure, development and be- 
havior. (Columbia University Bio- 
logical Series, 9.) New York (Columbia 
Univ.) 1910 (xxv + 663) front. 220 
Williamson, Wm. Note on Fiona 
carnea C. S. Koch and Eurycypris 
pubera (O. F. M.). Edinburgh Proc. 
R. Physic. Soc. 18 1910 (92-94). 221 
Williamson, Wm. Daly ell’s Scottish 
Hydrachnids. Ann. Scot. Nat. Hist. 
Edinburgh 1910 (21-23). 222 
Zschokke, F. Die Tiefenfauna 
hochalpiner Wasserbecken. Basel 
Yerh. Natf. Ges. 21 1910 (144-152). 22$ 
II.— SUBJECT-INDEX. 
GENERAL, ECONOMICS = 3003 
Biography. 
A. Poppe; Borcherding, 21. 
Bibliography. 
Jahresberichte : fur 1904 ; Lucas* 
119: fur 1905 ; Strand, 179; fur 1906; 
Strand, 18D. 
Arachnida of Spain ; Galiano, 70. 
Neuere Studien fiber wasserbewoh- 
nende Tardigraden, Sammelbericht ; 
Brehm, 24. 
List of papers by A. Poppe ; Bor- 
cherding, 21. 
Corrections of many errata in author’s 
earlier papers ; Koenike, 107. 
Wasastjernas “ Monographia Acaro- 
rum ” (MS.) ; Nordenskjold, 131. 
Daly ell’s “ Powers of the Creator,” 
Hydrachnidae revised ; Williamson, 
222 . 
General Works. 
General account of Acari ; Oude- 
mans, 138 : of Ticks ; Clark, 31. 
Collections and Expeditions. 
British Museum Guide ; Bell, 10 : 
Hirst, 88. 
Eugenies Resa, Araneae republished ; 
Thorell, 196. 
Naturwiss. Unters. d. Sarekgebietes 
in Schwedisch-Lappland geleitet durch 
Dr. Axel Hamberg ; Tragardh, 200. 
Sjostedt’s Kil imand j aro -Meru Ex- 
ped. ; Hansen, 83 ; Sorensen, 173 ; 
Tullgren, 204. 
. , L. Schultze, Reise in Sfidafrika ; 
Donitz, 43 ; Simon, 170. 
Nomenclature, etc. 
Nomenclature; Strand, 185: Opi- 
liones ; Roewer, 152 : Turdigrada ; 
Murray, 127. 
