396 BULLETIN 120, UNITED STATES NATIONAL MUSEUM. 



* //. cinerca Sclinekler, No. 51508, 30 mm. long; Victoria County, Texas; Febru- 

 ary 20, 1909 ; Mitcliell ; ratlier many Opalina ohtrigonoidea orbiculata. 



* No. 13095, 45 mm. long ; New Orleans, Louisiana ; 1883 ; R. W. Schufeldt ; 



Opalina ohtrigonoidea orbiculata. 



* No. 37837, 38 mm. long, Dorchester County, Maryland ; July, 1907 ; 

 W. P. Hay ; many Opalina obtrigonoidea orbiculata. 



No. 37835 ; same label ; no Opalinids. 

 *No. 12005, 42 mm. long; Georgiana, Florida; W. Wittfield ; Opalina 



obtrigonoidea orbiculata. 

 No. 12005, 5 other specimens, 31 to 45 mm. long; same label; no Opalinids. 



* No. 3655, 39 mm. long; Pensacola, Florida; Hammond; numerous Opalina 

 obtrigonoidea orbiculata. 



No. 3655, another specimen ; same label ; no Opalinids. 



No. 3657, 2 specimens, each 50 mm. long ; Prairie Mer Rouge, Louisiana ; 



Fairlie; no Opalinids. 

 No. 13101, New Orleans, Louisiana ; R. W. Schufeldt ; no Opalinids. 

 H. doUchopsis (Cope), No. 57717, 120 mm. long; Dulie of York Island; 1911; 

 Julius Hurter, sr. ; no Opalinids. 

 *No. 57718, 70 mm. long; Sorong, Dutch Papua; 1906; Julius Hurter, 

 sr. ; fine Protoopalina papnensis. 



* H. evittata Miller, No. 32106, 43 mm. long ; Easton, Maryland ; September 8, 



1903 ; H. L. Clark ; many Opalina terrae-mariae. 



No. 30722, 48 mm. long ; Eastern Shore of Maryland ; W. P. Hay ; no Opa- 

 linids (formalin?). 

 No. 29653, 39 mm. long; Four Mile Run, Virginia; July 4, 1901; G. S. 



Miller; no Opalinids (formalin?). 

 No. 27452, 32 mm. long, Lexington County, Virginia ; G. S. Miller ; no 

 Opalinids, Balantidium. 

 H. etcingii Dumeril and Bibron, Australia; examined by Raff; no Opalinids. 



* H. eximia Baird, No. 11357, 26 mm. long ; Guanajuato, Mexico ; June 30, 1880 ; 



Dug^s ; many Opalina virguloidea. 



* No. 9875, 30 mm. long ; female with eggs ; Guanajuato, Mexico ; 1877 ; 

 A. Duges ; many Opalina virguloidea. 



* No. 14601. 20 mm. long ; Mexico ; September 1 ; A. Duges ; many Opalina 

 virguloidea. 



No. 14601, 2 other specimens, 23 and 24 mm. long ; same label ; no Opalinids. 



No. 9898, 30 mm. long, Mexico ; 1877 ; A. Duges ; no Opalinids. 



No. 9338, 35 mm. long; Santa Fe, New Mexico; June, 1874; H. W. Hen- 



shaw; no Opalinids. 

 No. 25232, 34 mm. long; "near Guatemala"; Van Patten; no Opalinids. 



* H. femoralis Daudin, No. 5-598, 33 mm. long ; female with eggs, in copulation ; 



Liberty County, Georgia; Major LeConte; a few Opalina obtrigonoidea of 

 ordinary size, no cysts. 



* No. 5598, male, 27 mm. long, in copulation ; same label ; many Opalina 

 obtrigonoidea, no cysts. 



*No. 5908. 2 specimens, 27 and 32 mm. long; Riceboro, Georgia; Maj. John 



LeConte ; a few Opalina obtrigonoidea. 

 No. 5908, another specimen, 36 mm. long ; female with eggs ; same label ; 



no Opalinids. 

 *No. 48783, 33 mm. long; Auburndale, Florida; March, 1912; N. R. Wood; 



a very few Opalina obtrigonoidea. 

 No. 9698, 34 mm', long; Arlington, Florida; G. Brown Goode; no Opalinids, 



