130 WHIP-SCORPIONS AND OTHERS 



ation or slight vibrations of the soil send them into a cataleptic 

 state. 



Nothing is known of the life history and development of these 

 rare Arachnids beyond the fact that they are oviparous, the eggs 

 hatching into a six-legged larval form as in Acari. 



BIBLIOGRAPHY 



Identification 



EwiNG, H. E. (1929) A synopsis of the American Arachnids of the 



primitive order Ricinulei. Ann. Ent. Soc. Amer., 22, 583-600. 

 Graveley, F. H. (1916) The evolution and distribution of the Indo- 



Australian Thelyphonidae, with notes on the distinctive characters of 



various species. Rec. Ind. Mus., 12, 59-89. 

 Kastner, a. (1932) Pedipalpi Latreillezw Kukenthal, W.and Krumbach, 



T. Handbuch der Zoologie, Berlin, 3, (2), 1-76. 



(1932) Palpigradi Thorell. Ibid., 77-98. 



(1932) Ricinulei Thorell. Ibid., 99-116. 



Kraepelin, K. (1899) Scorpiones und Pedipalpi. Das Tierreich, 8, 1-265. 



(1901) Palpigradi. Ibid., 12, 1-3. 



PococK, R. I. (1900) The Fauna of British India, including Ceylon and 



Burma. Arachnida. London. 

 Roewer, C. F. (1934) Palpigradi in H. G. Bronn's 7^/^55. Ordn. Tierreichs, 



5, IV (8), 640-723. 

 Werner, F. (1935) Pedipalpi. Ibid., 317-490. 



Biology 



Cloudsley-Thompson, J. L. (1949) Notes on Arachnida, 11. — Schi- 



zomida in England. Ent. Mon. Mag., 85, 261 . 

 Finnegan, S. (1935) Rarity of the archaic Arachnids Podogona (Ricinulei). 



Nature, Lond., 136, 186. 

 Flower, S. S. (1901) Notes on the millipedes, centipedes, scorpions etc. 



of the Malay Peninsula and Siam. jf. Straits Brit. Asiat. Soc, 36, 1-48. 

 Graveley, F. H. (1911) Pedipalpi of Ceylon. Spolia Zeylandica, 7, 43-7. 

 (1915) Notes on the habits of Indian insects, myriapods and arach- 

 nids. Rec. hid. Mus., 11, 483-539. 

 Lawrence, R. F. (1949) Notes on the whip-scorpions (Pedipalpi) of 



South Africa. Trans. Roy. Soc. S. Africa, 32, 275-85. 

 Marx, G. (1892) Contributions to the life-history of Arachnida. Proc. 



Ent. Soc. Wash., 2, 252-4. 

 Patten, B. M. (1917) Reactions of the whip-tail scorpion to light. J. Exp. 



ZooL, 23,251-75. 

 Pergande, T. (1886) [Habits of a specimen of Thelyphonus]. Proc. Ent. 



Soc. Wash.,l,42-A. 



