PAIRING OF PSKWDOSCOHnoNES. 389 



a. fertile field for investigation. Nevertheless it may perhaps be 

 predicted that the general lines now indicated are those on which 

 fertilization will l)e found to be efiected in all Pseudoscorpiones. 



A^. List i)J Refereiicea. 



(1) RoSELVON KoSEXHOF, A. J. — Der nionatlich-herau8gegebenen 



Insecten-Belustigung, iii. Nurnberg, 1747-1755. 



(2) ]\Ienoe, a. — Ueber die Scheerenspinnen, Chernetidse. 



Neueste Schriften d. Naturfor.schenden Gesellschaft, v. 

 pp. 1-42, pis. i.-v. Danzig, 1855. 



(3) Lubbock, J. — Notes on the Generative Organs and on the 



Formation of the Egg in the Annulosa. Philosophical 

 Transactions of the Royal .Society, cli. pp. 595-(527. 

 London, 1862. 



(4) McIntire, S. J.— .Some cheap aids to Microscopical .Studies. 



Journal Quekett Microscopical Club, i. pp. 69-72. London, 

 1868. 



(5) McIntiee, S. J.— Pseudoscorpions. Hardwicke's Science- 



Gossip, V. pp. 243-247. London, 1869. 



(6) Simon, E. — Les Arachnides de France, vii. Paris, 1879. 



(7) ToMosvARY, O. — Pseudoscorpiones Fauna? Hungarica;. 



Magyar Tudomanyos Akad. Math, es Termeszettud, 

 Kcizlemenyek, xviii. pp. 135-256, pis. i.-v. Budapest, 

 1882. 



(8) Hansen, H. J. — Zoologia Daniea, iv. Copenhagen, 1885. 



(9) Croneberg, a. — Leitrag zur Kenntniss des Baues der 



Pseudoscorpione. Bull. .Soc. Lnp. des Natnralistes (n. s.), 

 ii. pp. 416-461, pis. x.-xi. a. Moscou, 1888. 

 (IC) Bernard, H. M. — Notes on the Chernetidte, with special 

 reference to the Vestigial Stigmata and to a new form of 

 Trachea. Joujn. Linn. .Soc, Zoology, xxiv. pp. 410-430, 

 pis. xxxi.-xxxii. London, 1894. 



(11) Schtschelkanowzeff, J. P. — Chernes multidentatiis, n. sp., 



nebst einem Beitriige zur Systematik der Chernes-Arten. 

 Zoologischer Anzeiger, xxv. pp. 350-355. Leipzig, 1902. 



(12) Lankester, E. R. — The Structure and Classification of the 



Arachnida. Quart. Journ. Microscopical Science (n. s.), 

 xlviii. pp. 165-269. London, 1904. 



(13) With, C. J. — On Chelonethi, chiefly from the Australinn 



Region, in the Collection of the British Museum, with 

 Observations on the " Coxal sac " and on some cases of 

 Abnormal Segmentation. Ann, & Mng. Nat. Hist, (7) 

 XV. pp. 94-143. London, 1905. 



(14) With, C. J.— The Danish Expedition to Siam, 1899 1900. 



Chelonethi : an account of the Indian False-Scorpions 

 together with studies on the anatomy and classification 

 of tlie Order. Kg). Danske Videnskabeiiies Selskabs 

 Skrifter (7), iii. pp. 1-214. Copenhagen, 1906. 



