A llevised Lifil of Ci/iciiuKili Jiirda. 21 



si)rino,' and TmII migrant. Specimens of this and the four following 

 species taken by 'Six. Dur^', near the month of the Little Miami, in 

 September, 1878. 



249. Stekxa fokstkki, Nuttall. — Forster's Tern. — Rare migrant. 



250. Sterna dougallt, INIontague. — Roseate Tern. — One specimen 

 only. 



251. Sterna superciliaris, var. antillarum, Coues. — Least Tern. — 

 Several specimens {Dury). 



252. HyDROCHELiDON lariformis, Coues. — Black Tern. — Spring and 

 fall migrant on the Ohio and its tributaries. 



Order Pygopodes : Divers, Grebes, Auks. 



Family Colymbid^ : Loons. 



253. CoLYMBUS torquatus, Brunnich. — Great Northern Diver, or 

 Loon. — Spring and fall migrant. Not common. 



254. CoLYMJBUS septentrionalis, Linnoeus. — Red-throated Diver. — 

 A rare migrant. Specimen in Mr. Dury's collection taken on the 

 Ohio. One or two others known. 



Family Podicipid^: Grebes. 



155. PoDiCEPS cornutus, Latham. — Horned Grebe. — Taken near the 

 mouth of the Little Miami by Charles Weeks, Esq. {Dury). 



256. PoDiLYMBUS PODICEPS, Lawrence. — Pied-hilled Dahchick; Water 

 Witch. — Spring and fall migrant and occasional summer resident. 



SFECIES OF mOBAHLE OCCVBRENCE, NOT YET 

 IDEXTTFIED. 



The following species, whose known range includes this locality', 

 have not yet been positively identified here. A few of them appeared 

 in the original catalogue (April, 1877), on what I now consider in- 

 sufficient grounds, and I take this opportunity of removing them from 

 the list of identified species. 



The St. Mary's Reservoir alluded to in the following notes, is sit- 

 uated about one hundred and thirty miles north of Cincinnati ; and 

 while the species identified there ai'e probably migrants with us, such 

 is not necessarily the case, as some of them may. and probably do, 

 pass to and from that locality via the Wabash Valley, through which 



