ON THE PEDIPALPI OF NORTH AMERICA. 3gg 



Fara. I. SCORPIONHLE 



^e natural arrangement of this family is sti ll enveloped in obscurity. De Geer 

 - ta Memo™ pour 1/ Hi s t. de S I„ 5 ectes vol. vii. p. 337, divides them into " D 

 Scorp.ons de la premiere famflie on de ceux a six yens » and " Des Scorpions de la 

 seco.de fam,h u e ceux a huit yen*." Linneeus recognised but £ "getua 

 Dr. Leach m ,815, (Lmn. Trans, vol. xi. p. 391,) founded . second, d™*^ 

 the ocelh for h,s eharaeters. Since then the list has been silled by everal a bo s 

 mostly, by the extension and development these characters. In AptL vel iT S4 4 



Wh, CS K ::?' f G «™-™^o„e genus »X27 a ^ 

 Whrle Koch. (Arachn.d. Syst.) in I860, elevated the Scorpionidee to the rank of In 

 order, des.gnat.ng many of the ^„ rf &rvoiS) ( j nera of ^ ™* ° " 

 fam,ha, and indicating numerous new genera. 



In 1861, Prof Peters, (Monatsberichte, p. 508,) published an entirely new classi- 

 «ea .„„ basing it on hitherto unused character, Whatever emanates Z such 

 authority, should be received with great deference. With our present sITtf 



re.gn specimens, we do not fee, entitled to condemn it absolutely' But if " I. dop 

 ., we would necessar.ly propose several new sub-families and genera. This we I 



my are not prepared to do, and have in this paper retained the number of oc 1 i 

 as the genuine criterion. 



Sympsis of the SScorpwnidce of North America. 

 Gen. I. SCORPIUS, Oculi 6. 



b. ALLENII. 



Gen. II. BUTHUS, Oculi 8. 



Jn 1 ACUL ; A f 7-^ olor Clnnam ™ and nearly uniform. Abdomen very stronl 

 granulate and tuberculate. Length 3£ inches strongly 



B. CAKOL rNIAN , s ._ Color fulvous? 8tr . ped v J ry ^ ^^ 



late. Abdomen but moderately granulate and tuberculate. Leng h 2i inched 



B. CAu F _-Colornearly the same as in the last; cephalothorax immaculate 

 Abdomen strongly granulate. Length 2 inches. ™maculate. 



7™ R r zr * a sii T y cmd -*•• Taa with ■ w **- * ** 



is. leseuerii.— Hands very much swollen. 



