Fig. 1. 
16. 
17. 
ARACHNIDA.—ARANEIDEA. 
Vou. II. 
PLATE XL. 
Frontinella leta, 3, patella, tibia, and tarsus of palpus; 1a, ditto, another view; 1 4, tibial 
spur of palpus ; 1c, eyes from above; 1d, left mandible from the outer side; 1 e, ditto 
from beneath. 
. Frontinella leta, 2? , femur of palpus from the inner side; 2a, vulva. 
. Frontinella bicuspis, 3, palpus; 34a, ditto, another view; 34, cephalic region and 
mandibles. 
. Frontinella falculifera, 3, palpus ; 4a, ditto, tibia and bulb. 
. Frontinella uncata, 3, palpus; 5a, ditto, another view; 54, ditto, another view; 
5c, mandible from the outer side. 
. Frontinella uncata, 2 , vulva. 
. Frontinella tibialis, 8, sternum; 7 a, palpus; 7 4, ditto, another view. 
. Frontinella rustica, ° , vulva. 
. Frontinella confinis, 2, vulva. 
. Tetragnatha tropica, ¢, mandible from above; 10a, ditto from below; 104, palpus ; 
10c, bulb of ditto; 10d, ditto, another view. 
. Tetragnatha tropica, 9, mandible from below; 11 a, ditto, variety. 
. Tetragnatha guatemalensis, 3, bulb of palpus ; 12 a, conductor and embolus ; 124, ditto, 
another view; 12, ditto from the other side; 12d, mandible from above (with 
scarcely any tooth visible at the base of the fang); 12e, ditto; 12 f, ditto (with a 
distinct tooth at the base of the fang). 
. Tetragnatha guatemalensis, 9 , mandible from below. 
. Tetragnatha dentigera, 3, bulb of palpus; 14a, conductor and embolus; 144, ditto from 
the other side; 14c, mandible from above (the large apical tooth is foreshortened in 
the drawing) ; 14d, ditto from below. 
. Tetragnatha alba, 3, bulb of palpus; 15 a, ditto, enlarged; 15 6, ditto from the other 
side; 15c, mandible from above ; 15 d, ditto from below. 
Tetragnatha tenuissima, 3, bulb of palpus ; 164, ditto from the other side; 16 4, mandible 
from above; 16 c, ditto another view. 
Tetragnatha tenuissima, 2? , mandible, from above, of an adult example; 17a, ditto from 
below; 174, ditto, from above, of the type, an immature example; 17 c, ditto from 
below. 
The small letters, unless otherwise stated, refer to similar portions of structure. 
