40 WOOD, PHALANGES OF THE UNITED STATES. 



14. P. GKANDE Say. Body covered with spines. f 



*** Second pair of legs less than 1.75 inches in length. 



8. P. FAV06UM Wood, $. Dorsum grajdsh, deeply punctated or 

 pitted, flat. Length of body, 0.3. Length of second pair of legs, 1.7. 



9. P. ATERRUCOSUM Wood, $. Dorsum goldcn or reddish, densely 

 tuberculate, with an obscure central marking. Trochanters blackish. 

 Length of body, 0.2. Length of second pair of legs, 1.7. 



10. P. roRMOSUJi Wood, $ . Dorsum smooth, with a dark central 

 marking involving more or less the whole anterior surface, termi- 

 nating abruptly near the junction of the middle and posterior third of 

 the abdomen. Trochanters black. Length of body, 0.3. Length of 

 second pair of legs, 1.3. 



11. P. piCTUM Wood. Dorsum smooth, with some spinous tuber- 

 cles, grayish with a strongly pronounced dark marking, extending to 

 the end of the abdomen. Trochanters light brown. Length of body, 

 0.2. Length of second pair of legs, 1.1. 



12. P. MACULOSUM Wood. Dorsum dark brown, with an obscure 

 darker marking. Trochanters black. Palpi sharply tuberculate. 

 Length of body, $, 0.4. Length of second pair of legs, 1.6. 



15. P. NIGRUM Say. Dorsum black. Var. ; dorsum dark brown, with 

 minute grayish brown spots. Ti'ochanters black. Palpi sharply tuber- 

 culate. Length of body, $,0.3. Length of second pair of legs, 0.9. 



Genus II. ACANTHOCHEIR Lucas. 

 Cephalothorax without eyes. 



16. A. ARMATA Lucas. 



Family GONYLEPTIDJE. 

 Genus III. GONYLEPTES Kirby. 



17. G. ORNATUM Say. 



fl am uncertain whether this species belongs in this or some other of these arti- 

 ficial groups. 



Errata. — In explanation of figure on page 13, read c, mandibles (not palpus), 

 and d palpus (not mandibles). 



