160 



THE AMERICAN NATURALIST 



[Vol. XL 



Darby Creek near Essington, Delaware Co., Pa., by Jas. Gardiner, 

 March 2, 1900, is the only example I have ever seen from this 

 vicinity.^ 



Cryptobranchus alleghaniensis (Daudin ). —Mainly west of the 

 Alleghanies. Specimens examined from the Beaver and Alle- 

 ghany Rivers and also from the Susquehanna near Tucquan, Lan- 

 caster Co., where it was occasionally taken by the late Jacob 

 Stauffer, of Lancaster, Pa. 



Amblystoma opacum (Gravenhorst ). — I have never personally 

 collected this species but have examined specimens from 



New Jersey, Atlantic City(W. J. Fox), Beesley's Point (Ash- 

 mead ), and Medford (J. S. Wills ) ; 



Delaware, Newark (T. B. Wilson ). 



Amblystoma punctatum (Linne ). — Occasional but not an abun- 

 dant species. 



Pennsylvania, Philadelphia (J. W. Tatum), Ardmore, Mont. 

 Co.(L N. De Haven), Clifton, Delaware Co. (B. Wainwright), 

 York Furnace, York Co. (Stone ), Chambersburg (Rhoads ). 



Amblystoma conspersum Cope. — Cope's type specimen from 

 Londongrove, Chester Co., Pa., is the only one I have seen from 

 this district. 



Amblystoma bicolor (Hallowell). — I have seen only the type 

 specimen from Beesley's Point, N. J. 



Amblystoma tigrinum fGrecn ).— Sjx'cimciis have been exam- 

 ined from Beesley's Point, N. J. (S. Asliincad, (i. II. Horn ), and 

 from Crosswicks, N. J. (J. II. Slack ). I l.av(> never taken it in 

 Pennsylvania. 



Amblystoma jeffersonianum (Green ).— One specimen in the 

 Academy collection was obtained by Dr. Hallowell " near Phila- 

 delphia.'' T know of no other captures. 



Hemidactylium scutatum ( Sch]e<i;el ). - Five speeinu 



