ANNELID GENUS CAMBARINCOLA — HOFFMAN 



347 



Figures 47-56. — Structural details of three species of Cambarincola. 47-50, C. chiro- 

 cephala: 47, Male reproductive system, Carroll Co., Arkansas; 48, jaws, caudolateral 

 aspect, same specimen; 49, mrle reproductive system, Parke Co., Indiana; 50, jaws, 

 lateral aspect, same specimen. 51-54, C. philadelphica, heads in lateral aspect: 51, 

 Small northern form, Tompkins Co., New York; 52, typical form, Montgomery Co., 

 Virginia; 53, amplistomate form, Jackson Co., Kentucky; 54, amplistomate form, 

 Macon Co., North Carolma. 55, 56, C. macrodonta: paratypes, Boulder Co., Colo- 

 rado, both specimens show the characteristic entire peristomium. 



miles north of Glasgow on U.S. Hy. 501, May 11, 1947, Hobbs (PCH 78). Rock- 

 ingham county: Swift Run, 3 miles east of Elkton, December 12, 1946, Holt 

 (PCII 14). SCOTT county: Troublesome Creek, 8.2 miles west of Gate City on 

 U.S. Hy. 58, June 16, 1950, Hobbs and Hart (PCH 366). 



West Virginia: East River, date and collector not stated (USNM 17705) 

 [probably in Mercer County, southwest of Glen Lyn], 



Specimens of the small New York phase (either a depauperate 

 form of 'philadelphica or possiblj^ a different species) have been 

 examined from the following collections: 



New York: chenango county: Otego Creek, just east of Oneonta, August 

 27, 1952, Crocker (PCH 561). oneida county: Tributary to the N.Y. State 

 Barge Canal just west of Utica, August 23, 1952, Crocker (PCH 536); Oswego 

 River at Rome, August 22, 1952, Crocker (PCH 583), tioga county: Catatonk 

 Creek at Candor, September 6, 1959, L. R. McManus (PCH 928). tompkins 

 county: Owasco Inlet, 3 miles south of Groton, May 18, 1951, E. C. Raney 

 (PCH 628). warren county: Stony Creek, in the town of Stony Creek, August 

 19, 1952, Crocker (PCH 546). 



Material of the form with enlarged peristomium, discussed in the 

 foregoing text, has been examined from the following localities : 



Kentucky: jackson county: 1.8 miles south of Bond, July 29, 1958, Holt 

 (PCH 831). WOLFE county: 1.7 miles west of Compton on Ky. Hy. 15, July 31, 



