NOTES ON MILLIPEDES. 29 



(False Spiders). Order Solifugce. 



JJ. cephalothorax not segmented. 



/ a " waist" between cephalothorax and abdomen, 

 mandibles form a poison fang, 

 abdomen not .segmented (except in sub-order Meso- 



theke). 

 breathing by means of 2 pair of lung books, or else 

 1 pair lung books and 1 pair of air- tubes, 

 spinning glands present. 



(Spiders). Order Aranece. 



g. no "waist" between cephalothorax and abdomen. 

 a.' abdomen composed of 3 to 8 segments. 

 mandibles pincer-like. 

 basal segment of 3rd pair of limbs always adapted 



for mastication, 

 breathing by means of air-tubes, 

 no spinning glands. 



(Harvest Spiders). Order Opiliones. 



b.' abdomen not segmented. 



mandibles pincer-like. or simply pointed. 



basal segment of 3rd pair of limbs never adapted 



for mastication, 

 breathing by means of air-tubes, or without 



distinct organs. 

 spinning glands sometimes present, 

 size usually minute. 



(Mites. Ticks etc.) Order Acari. 



Order Scorpiones. 



The True Scorpions, 



Malay " Kalajinking." 



Siamese "Malaxing -port" or more commonly "Meng-pon." 

 Pantang Kapur " Simpai" and "JPnipet" (Lake — Kelsall. 

 J. S. B. R. A. S. No. 26. 1894, p. 41.) 



The true Scorpions have four pairs of legs, of similar con- 

 struction, each composed of seven segments, and used for loco- 



