Male: Cephalothorax, palpi, sternum, and most of legs yellowish; abdomen dark brown; metatarsi dark, tibiæ infuscated; mandibles reddish brown; tips of male palpi dark. Cephalothorax with several dark lines; a median one reaching to groove, a short one from each P. M. E., one from S. E. curved and then extending toward groove, four or six lateral dark lines; two dark lines on mandibles. A. M. E. rather more than diameter apart, about as far from the somewhat smaller A. S. E.; P. S. E. equal to A. S. E., P. M. E. much smaller than A. M. E., fully two and one half diameters apart and as far from the slightly larger P. S. E. Male palpi figured. Length 10 mm.; ceph., 4.6 mm.; femur I, 5 mm.; tibia I, 3.7 mm.
Type from Desecheo Is., Feb., No. 21688, Dept. Inv. Zoölogy. Paratypes from San Juan, Porto Rico, February; Desecheo Isl., Feb., and Mona Isl., Feb. Nos. 21676 to 21681, Dept. Inv. Zoölogy.
EXPLANATION OF PLATE.
Fig. 1. Mecolœsthus signatus, abdomen and vulva.
" 2. Callilepsis grisea, vulva.
" 3. Bathyphantes semicincta, side of abdomen.
" 4. Wulfila pretiosa, vulva.
" 5. Olios bicolor, palpus beneath.
" 6. Misumessus echinatus, palpus.
" 7. Wulfila immaculata, vulvæ of two specimens.
" 8. Epeira gundlachi, top and side outline of abdomen, and vulva.
" 9. Olios bicolor, palpus above.
Bulletin A. M. N. H. Vol. XXXIII, Plate XLIII.
New West Indian Spiders.
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