30 WOOD, 



10. Phalangium formosum WOOD (nov. sp.). 

 FEMALE. Dorsum perfectly smooth, grayish, more or less ob- 

 scurely margined with dark brown, and ornamented with a broad 

 vase-shaped central, dark marking, which 

 commences on the anterior portion of 

 the cephalothorax, and terminates ab- 

 ruptly near the junction of the middle 

 and posterior third of the abdomen ; the 

 whole of the dorsum which is anterior 

 to the posterior third of the abdomen 

 has more or less of this peculiar brown- 

 ish tint. Eye eminence moderately prom- 

 inent, smooth. Palpi slender, without 

 spines, distally minutely pubescent. Seg- 

 mentation of the abdominal scutum not 

 pronounced, except posteriorly. Ventral 

 Female (natural size). surface grayish brown not tuberculate. 

 Coxae of the same color. Trochanters black. Legs light brown, annu- 

 late with dark brown, provided with very minute spinous tubercles, 

 especially on their femora. 



Length of body, ? , 0.3. Length of legs, ? , (1) 0.6, (2) 1.3, (3) 

 0.6, (4) ?. 



REMARKS. I have seen four specimens of this hand- 

 some species from the District of Columbia, collected by 

 Mr. Austin, and have received a number from Mr. J. H. 

 Bland, collected in the vicinity of Philadelphia. The 

 latter, with the exception of a single -female, are very 

 immature ; the former are all females. All the indi- 

 viduals which have come under my notice are remarkable 

 for their softness and fragility. 



11. Phalangium pictum WOOD (nov. sp.). 

 FEMALE. Dorsum light gray, with a strongly pronounced central 

 dark marking, which is broadest anteriorly, involving almost the 

 whole of the cephalothorax, at the posterior edge of which it is rap- 

 idly contracted, then sharply expanded and again contracted into a 

 nearly square space on the abdomen, finally running as a stripe 

 to the anus ; the surface smooth generally, furnished before the eye 

 eminence with a curved series of acute, black, very small spines 

 on elevated bases, and a similar short transverse row ; behind the eye 



