Order Araneida 



indistinct and unarmed; spiders of small or of 



moderate size. P. 521. Thomisid^ 



FF. Lower margin of the furrow of the chelicerae 



distinct and toothed; large subtropical species. 



G. With six eyes in the anterior row. P. 500. 



Selenopid^ 

 GG. Eyes are arranged in two rows of four each. 

 P. 551. Heteropodid^ 



EE. Legs of the ordinary type; the fourth pair usually 

 longer than the others. 

 F. Eyes equal in size or nearly so and usually ar- 

 ranged in two rows. 

 G. Chelicerae very large, eyes in three rows. 



P. 308. Prodidomid^e 



GG. Chelicerae normal or small, eyes usually in 

 two rows. 

 H. Fore spinnerets widely separated. P. 308. 



DRASSID/t 



HH. Fore spinnerets contiguous. 



1. Lower margin of the furrow of the che- 

 licerae indistinct and unarmed. P. 521. 



Thomisid^e 

 1 1 . Lower margin of the furrow of the che- 

 licerae distinct and toothed. 

 J. Eyes usually arranged in three or four 

 transverse rows. Truncate end of the 

 endites entirely clothed with very 

 dense uneven hairs. P. 555. 



Ctenid^e 



J J. Eyes arranged in two more or less 



parallel rows. Truncate end of the 



endites furnished with a band of hairs. 



P. 557. CLUBIONID/'E 



FF. Eyes unequal in size and arranged in three or 

 four rows. 

 G. Eyes in three rows, those of the second row as 

 large as the others (Homalonychus). P. 323. 



ZoDARIIDj'E 



GG. Eyes of the second row, when in three rows, 

 very small. P. 661. Attid^ 



224 



