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49 



Suborder AMBLYPYGI. 



/ • 



Pam. PHEYNID^S. 



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Taranlulina, Simon, Ann. Soc. Ent. Fr. Ixi. p. 46 (1892) ; Kraepelin, Das Tierr., Scorpiones et 



Pedipalpi, p. 240 (1899) (part.). 

 Neophrynina, Kraepelin, Abh. Ver. Hamb. xiii. p. 20 (1895) (part.). 



Admetina, Pocock, Ann. & Mag. Nat. Hist. (6) xix. p. 358 (1897) (part.). 



Sternal area of cephalothorax mostly membranous, the two mesosternal plates small and oval, the prosternal 



plate gradually narrowed from base to apex, not abruptly expanded at its basal extremity. Fourth leg 

 with its tibia composed of three and its tarsus of four segments. 



The sexes may be recognized without difficulty. Beneath the genital operculum in 

 the male there is a pair of soft, muscular, weakly chitinized, indistinctly bisegmented, 

 apically bifid organs which probably act as penes. When the operculum is raised 

 these organs protrude from the aperture. In the female, on the contrary, there are no 

 such organs beneath the operculum, but a pair of rounded membranous eminences 

 affixed to the inner surface of the operculum, each bearing a pointed, inwardly directed, 

 chitinous, claw-like sclerite. Furthermore, the males have the legs and chelse a little, 

 or considerably, longer than in the females. 



This family is confined to the tropical and warmer temperate parts of America. It 

 is divisible into two subfamilies : 



n. Trochanter (second segment) of second appendage (chela or palpus) 



not furnished beneath with a subcylindrical chitinous process lying 



back against the coxa • . . PhryninjE. 



b. Trochanter of second appendage furnished beneath with a subcylin- 



> 



drical process lying back against the coxa. (See Tab. XII. fig. 1 a, ap.) HeterophryninjE, nov. 



Subfam. PHRYNINJS. 



Characters as above. 



Distribution. From Central America northwards into Lower California and T 

 irds over all the islands of the Greater and Lesser Antilles to the Bahamas, 

 vards into the northern parts of South America as far down as the Amazons 



eastw 



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The three genera referable to this subfamily may be diagnosed as follow 



a. Anterior border of carapace armed with long spiniform processes; 



protarsal segment (hand) of the chela furnished with a single upper 



and lower long spine , 



Acanthophrynus, Kraep 



b. Anterior border of carapace armed with small denticuliform processes 



or almost smooth ; protarsal segment of chela furnished, at least 

 above, with more than the one long spine. 

 a r . Tibia of the chela armed above with two longish spines between 



the two principal longest spines ........... Hemiphkynus, Poc. 



b\ Tibia of chela armed above with only one long spine between the 



two principal longest spines . . . . . 



biol. centr.-amer., Arachn. Pedip., October 1902. 



Phrynus, Lam. 



h 



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