S.A.tHSDv.'lj 





ARTICLE XV. 



ON THE PHALANGIA AND PEDIPALPI COLLECTED BY PROFESSOR ORTON IN WESTERN SOUTH AMERICA, WITH 

 THE DESCRIPTION OF NEW AFRICAN SPECIES, ACCOMPANIED WITH A PLATE. 



BY DR. HORATIO C. WOOD, JR. 



Suborder PHALANGIA. 

 Family I. PHALANGID^E. 



Genus Phalangium. 

 P. Orioni, n. sp. 



Dorsum black, minutely densely tuberculate. Cephalothorax, with its posterior seg 

 ment distinctly separated from the others, with a distinct membranous transverse line just 

 posterior to the eye-eminence, and a similar one between it and the abdomen. Eye-emi- 

 nence moderately prominent, with a row of small spines surmounting each eye. Palpi 

 long, slender, yellowish-gray, without spines, slightly pilose, with a well-pronounced blunt 

 process at the distal end of their antepenultimate article. Mandibles of the same color 

 as the palpi, without spines, their last article attached by its end in the usual manner. 

 Abdomen distinctly segmented posteriorly. Ventral surface with the coxae, blackish, 

 minutely tuberculate. Coxae with a series of small tubercles on their margins. Tro- 

 chanters blackish. Legs very long and slender, roughened by small spines. 



Length of body, 0.25". Legs so broken that their length cannot accurately be deter- 

 mined, but the longest are, apparently, nearly 3 inches long. There is in the collection 

 but a single specimen. 



Hab. Napo River, Ecuador. 



Family II. GONYLEPTID^E. 



Genus Gonyleptes. 

 Eyes two. Tarsal joints few in number. Last article of mandibles attached by its end. 



G. prcedo, ii. sp. 

 Dorsum, with the ventral surface, legs, mandibles, and palpi blackish, divided by a 

 deep V-shaped groove, arising at the positions of the third pair of legs, into two dis- 



