No.416]] MORTH-AMERICAN INVERTEBRATES. 679 
PRINCIPAL WORKS ON SCORPIONS, SOLPUGIDS, AND 
PEDIPALPI; 
KRAEPELIN, K. Revision der Scorpione. /ahré. Hamburg. Teil I, Bd. viii 
(1891), pp. 1-144; Teil II, Bd. xi (1894), pp. 1-248. 
— —— Scorpiones und Pedipalpi. Das Tierreich, 8. Lieferung (1899), 
Pp. 
Putnam, J. D. The Solpugide of America. Proc. Davenport Acad. 
Nat. Sci. Vol. iii (1882), pp. 1-149, 4 pls. 
Woop, H. C. Descriptions of New Species of North-American Pedi- 
palpi. Proc. Acad. Nat. Sci. Philadelphia (1863), pp. 107-112. 
On the Pedipalpi of North America. Journ. Acad. Nat. Sci. 
Philadelphia. (2.) Vol. v (1863), pp. 357-376. 
1 This list was omitted in Synopsis IX. 
