444 



THE DIVING BlllDS — PYUOrODES. 



Wisconsin ar« in the niusonni of tlio Siiiitlisoniaii Institution. Thoy aro essentially 

 like all the I'l^gs of tiiis genus in sliains and (solors, and vary K'''«ii<^ly '» s'^e. Two 

 t'ggs in my own culltu'tion, i'loui Wisconsin, nioasuiv, one l/Jli inch(!s in length by 

 l.UO in breadth, the other 1.G8 by 1.20 j while one from Duenas, G uatemula, lueusures 

 1.G3 by 1.18. 



■11 



Family UIIINATORID.E. — Tiik Loons. 



ClIAU. Swiinininj,' birds, with the feet situated far back, a well develojicd hallux, 

 the anterior toes eonii»letely webbed and normally clawed ; the bill strai},'ht, acute, 

 compressed, the nostrils linear, (tverhunj,' by a mcinbraueous h)be ; tail normal, Imt 

 short. Nature pnecociul ; eggs two or three, dark-colored, and more or less spotted. 



Tlie Family Includes a single genus, Uriiuitor, usually, but wrongly, called 

 Colymlus. 



Genus URINATOR, Cuviku. 



Colijmbus, Linn. S. N. <■.!. 10, \. U-IS, 135 ; n\. 12, L 170(!, 220 (|Kirt). 



Ali-rijuK, Uitiss. Oiii. VL 17<iO, 104 (iiotof LiSN. 1758). 



I'ria, Scoi'. liitriMl. 1777, 473 (not dI' 15k. (s. 17<!0). 



UriiMlur, Cvv. Aimt. (.'oinii. I. 17il'J, tiilil. ii. (typi's, Culifmbi arclicua, glacialLi, et septcnlrimiatis, 



Linn.). 

 Eudijtes, lLl.l(i. Piodr. 1811, 282 (saiiii' types). 



Char. Tlie «aiiie as tlmsi; nl' tlic Family. 



Wi! caiiiiiit allow our uvcision for violoiit or otliurwi-se distasteful chan<;es to overrule flic 

 obvious iiucessities of tliu inesuut case. There can lie no (question that the name Volymbus, so long 



•^^ ..-."W 







U. immer, adiUt. 



useil by many authors for this genus, belongs properly to the (Irebes. This fact lias long ago Ih'cii 

 clearly demonattated by Suudcval and other com^Mitent authorities, and wore recently by Dr. L. 



