NO. 2267. jVjETF BRANCHIOBDELLID WORMS— ELLIS. 257 



CAMBARINCOLA MACUODONTA Ellis. 



Camharincola rnacrodonta Ellis, I'roc. U. S. Nat. Miis., vol. 42, pp. 481-486, 

 figs. 1-5, 1912 (Boulder, Colorado, on Cambariis diogenes Girard). 



Specimens.— WmQ (7-Cat. No. 17656, U.S.N.M.), Fort Clark, Texas 

 (E. A. Mearns), on Canibarus clarJdi; one (Cat. No. 17657, 

 U.S.N.M.), New Orleans, Louisiana (R. W. Shufeldt), on Canibcvrus 

 diogenes ludovicianus Faxon; two (1-Cat. No. 17658, U.S.N.M.) 

 Sims Bayou, Houston, Texas (B. W. Evermann), on Gambarus 

 hlandingii acutus Faxon (host determination uncertain) ; one (Cat. 

 No. 17659, U.S.N.M.), Lake Lapoudre, Morgan City, Louisiana, on 

 Cambanis clarhii; five (3-Cat. No. 17660, U.S.N.M.), Frierson, 

 Louisiana, on Camharus hlandingii acutus Faxon; two (one-Cat. 

 No. 17661, U.S.N.M.), Las Vegas, New Mexico (T. D. A. Cockerell), 

 on Camharus gallinas Cockerell and Porter; 15 (10-Cat. No. 17663, 

 U.S.N.M.), Muldon, Mississippi (W. H. Baker), on Camharus 

 hagenianus Faxon; 25 (10-Cat. No. 17665, U.S.N.M.), Agricultural 

 College, Mississippi (Earl Wilson) ; three (Cat. No. 17662, 

 U.S.N.M,), Fort Collins, Colorado (L. C. Bragg), on Camharus dio- 

 genes Girard; 25 (10-Cat. No. 17664, U.S.N.M.), Black Wolf Creek, 

 near Beecher's Island, Colorado (B. Jaffa), October, 1915, on Gam,- 

 harm diogenes Girard; 10 (5-Cat. No. 17666, U.S.N.M.), Arikaree 

 River, near Beecher's Island, Colorado (G. C. Roe), October, 1915, 

 on Camlarus diogenes Girard; 25 (10-Cat. No. 17667, U.S.N.M.), 

 Boulder, Colorado (M. M. Ellis), September, 1916, on Gainbarus 

 diogenes Girard. 



CAMBARINCOLA VITREA, new species. 



Plate 10, fig. 3. 



Type.—C'At. No. 17668 U.S.N.M., body length 3.0 mm., Douglas 

 Lake, Michigan, July, 1915 (M. M. Ellis), on Camharus virilis 

 Hagen (det. Faxon). 



Paratypes.—ThYQQ, Cat. No. 17668 U.S.N.M., and 15 others, col- 

 lected with the type. 



Additional specimens. — Twenty-five (5-Cat. No. 17669, U.S.N.M.), 

 Rhinelander, Wisconsin, October, 1915, (G. Hansen) on Camhainis 

 virilis Hagen (det. Faxon); 25 (5-Cat. No. 17670, U.S.N.M.), St. 

 Vrains, Colorado, May, 1915 (M. M. Ellis), on Camharus immunis 

 Hagen; 10 (2-Cat. No. 17671, U.S.N.M.), Rolla, Missouri, October, 

 1915 (J. Barley), on Caniharus virilis Hagen (det. Faxon); 50 

 (5-Cat. No. 17672, U.S.N.M.), Maple River, Douglas Lake, Michigan, 

 summers of 1915 and 1916, on Caniharus propinquus Girard (det. 

 Faxon) ; 25 (2-Cat. No. 17673, U.S.N.M.), Lake Huron, Cheboygan, 

 Michigan, August, 1915 (M. M. Ellis), on Camha7ms propinquus 

 Girard and Camharus virilis Hagen ; 50, (3-Cat. No. 17671, U.S.N.M.), 



62055— 20— Proc.N.M.vol.55 18 



