EXPLANATION OF PLATE. 



Pig. 1. Tegenaria campestris, C. L. Koch-Cambr. Female. Genital aperture. 



la, natural lengths of three examples. 



16. Tegenaria pagana,G.Ij. Koch-Cambr. Female. Genital aperture. 

 lc. From another example. 



Id. .- Natural lengths of three examples. 



2. Tetrilus arietinus, Thor.-Cambr. Male. Abdomen. 2a and 26, 



palpus in two positions. 

 3. Sintula fausta, Cambr. Male. Eyes from above and behind. 3a and 



3c, palpus in two positions. 36, palpus shewing palpal organs. 

 4. Sintula nescia, Cambr. Female. Cephalothorax without legs or palpi. 



4a, eyes from above and behind. 46, genital aperture in front. 



4c, ditto in profile. 

 5. Sintula prominens, Cambr. Female. Cephalothorax in profile. 5a, eyes 



from above and behind. 56, genital aperture in front. 5c, ditto in 



profile. 

 ,, 6. Sintula nigro-tibialis, Cambr. Female. Eyes from above and behind. 



6a, genital aperture from in front. 66, ditto in profile. 

 7. Eupolis excavata, Cambr. Female. Cephalothorax and eyes from 



above and behind, la, ditto in profile. 76, maxillaB, labium, and 



sternum, lc, genital aperture from in front. Id, ditto in profile. 

 8. Susarion ncglectum, Cambr. Female. Caput and eyes from above and 



behind. 80, Cephalothorax in profile. 86, maxillaB, labium, and 



sternum. 8c, portion of leg of 1st pair. 8d, genital aperture from 



in front. Be, ditto in profile. 

 9. Gongylidium gibbum, Cambr. Female. Eyes from above and behind. 



9a, portion of Cephalothorax. 96, hinder extremity of abdomen 



underside, showing spinners and spiracular opening. 9c, genital 



aperture from above. 

 10. Evansia merens, Cambr. Male. Cephalothorax in profile. 10a, eyes 



from above and behind. 106 and lOc, palpus and palpal organs in 



two positions. lOd, cubital and radial joints of palpus. We, radial 



joint in another position. 



