June, igii.] EwiNG : XoTES ON PsEUDOSCORPIONS. 69 



Color : in some specimens the palpi and cephalothorax are a dark 

 chestnut brown, in others they are almost black; abdominal scuta 

 light reddish brown. 



Cephalothorax and palpi without the tooth-like processes in both 

 the light and dark colored specimens. 



Movable finger of chelicera lightly curved in the light colored 

 specimens, but as the specimens become darker it becomes more 

 strongly curved. 



Length : 2.20 mm. 



Specimens from Areola, III. — Four specimens, three collected from 

 under bark and one found in a dwelling house. 



Color: general appearance a reddish brown; neither the cephalo- 

 thorax nor the palpi dark. 



Tooth-like tubercles only slightly indicated on the cephalothorax 

 of one of the three bark specimens, but very pronounced on the cepha- 

 lothorax and slightly indicated on the palpi of the specimen collected 

 in the house. 



Movable digit of chelicera but slightly curved. In the case of 

 the house specimen its external margin straight. Prongs of spin- 

 neret well developed. 



Length of bark specimens, 2.10 mm. ; of house specimens, 3.00 mm. 



Specimens Collected at Marshall, III. — Several specimens, all col- 

 lected by the writer from under the bark of oaks. 



Color: a reddish brown, darker on the cephalothorax and palpi 

 but not very much darker. 



But a very slight indication of the tooth-like processes on the 

 cephalothorax, palpi without such indications. 



Movable finger of the chelicera; but slightly curved; .spinneret 

 with very prominent prongs on its distal end. 



Length : 2.10 mm. 



Collections from Columbia, Mo. — An abundance of material col- 

 lected by C. R. Crosby. No situations given, but the specimens were 

 perhaps collected from various places. 



Color: chestnut brown for the chitinized parts; palpi dark, but 

 not as much so as they are in the Iowa and Wisconsin specimens. 



Tooth-like tubercles absent from palpi, but indicated on the cepha- 

 lothorax. 



Movable fingers of chelicerae slightly curved. 



Length : 2.38 mm. 



