40 WOOD, PHALANGES OF THE UNITED STATES. 



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



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



8. P. FAVOSUM Wood, $. Dorsum grayish, deeply punctated or 

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



9. P. VEKUUCOSUM Wood, $ . Dorsum golden 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. FORMOSUM 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. Dorsuni 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. Trochanters black. Palpi sharply tuber- 

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



GErfus II. ACANTHOCHEIR Lucas. 

 Cephalothorax without eyes. 



16. A. ARMATA Lucas. 



Family GONYLEPTID-ffiS. 

 GENUS III. GONYLEPTES Kirby. 



17. G. QRNATUM Say. 



f I a^n 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 <t palpus (not mandibles). 



