810 



CLASS V. ARACHNIDA. 



Tribe 1. UROPYGI. 



Prosoma longer than broad ; meso- and meta-soma 11-12 segmented^ 

 the last three segments narrow and cylindrical bearing the post-anal tail. 

 Fam. 1. Thelyphonidae. Prosomatic tergum of one piece. Tail long and 

 multi-segmented, tarsus with two claws (Fig. 524). Mimoscorpius with one 

 species from the Philippines ; Typopeltis 4 species from China and the 

 Amur ; Abalius with 3 species from New Guinea and the South Sea 

 Islands ; Tetrabalius with 2 Mollucan and Bornean species ; Thelyphonus 

 with 17 Oriental species ; Mastigoproctus with 4 New World species ; 



Uroproctus with 1 

 Indian species ; 

 Thelyphonellus with 

 1 South American 

 species ; Labochirus 

 with one species 

 from Ceylon; 

 Hypoctonus with 6 

 species from 

 Further India and 

 Borneo. 



Fam. 2. Schizo- 

 notidae. Cephalo- 

 thorax divided 

 into two unequal 

 parts by a trans- 

 verse furrow, the 

 posterior of which 

 bears the 3rd and 

 4th ambu 1 a t o r y 

 limbs ; abdomen of 

 8 broad and three 

 narrower segments, 

 tail u n j o i n t e d. 

 S chizo notus 2 

 species from Ceylon 

 and Liberia ; Tri- 

 thyreus 2 species 

 from Burmah and 

 the Bismark Archi- 

 pelago. 



Tribe 2. 

 AMBLYPYGL 



ScaleL 



Cephalot h o r 



FIG. 525. Charon medius (Koch), a Movable fangs or claws on , , 4-v.o^ 

 fourth joint of pedipalpi (A), forming with claws (c)on third joint Dl 

 a modified didactyle claw ; b thorax ; d chelicerae ; e abdomen ; abdomen of 1 1 seg- 

 / button at end of abdomen ; h eyes ; i long antenniform legs. men f- s without tail 



Fam. 1. Tarantulidae with the characters of the tribe. Phrynichus- 

 2 species from India, Ceylon and E. Africa ; Damon 2 African species ; 

 Acanthrophrynus 1 species from Mexico and California ; Tarantula 4 species 

 from Texas and California through northern S. America ; Admetus (Fig. 523) 

 1 S. American sp. ; Charon 1 species from S.E. Asia and the Pacific Islands : 



