448 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



They have probably sought more suitable ground. No Cormorants 

 have been seen from September 6 to the present date (December 3), but 

 formerly they were abundant at all seasons, particularly where sloughs 

 penetrated the oaks of the uplands. 



[Note. — I cannot distinguish these specimens, nor, indeed, other Ca- 

 lifornian ones, from Eastern examples referable to the so-called '■'•fiori- 

 dmius:'—R. E.1 



76656* 2 ad. 

 76655 1 1 ? ad. 



Stockton?. 

 do .. 



Apr. 6,1878 

 Mar. 22, 1878 



Head only. 



213. Graculus violaceus, (Gm.). — Violet-green Cormoi'ant. 



I have seen G. molaceus at Marysville in the spring. 



Family LAEID.^ : The Gulls and Terns. 



214. Larus californicus, Lawr. — Californin Gull. 



Gulls rarely visit the vicinity of Stockton, and then only when there 

 is a gale from the coast. The specimen sent is different from the Giills 

 which usually visit us. It was alone. 



76657 — ad. 



Stockton :0ct. 15,1878 



"215. Sterna forsteri, Niitt. — Forster''.i Tern. 



Forster's Tern was first seen at Stockton April 17, 1878, two days 

 after which it became common. Tt left Stockton previous to Septem- 

 ber 7. 



74289 9 ad. j *Stockton Apr. 17, 1878 



*216. Hydrochelidon nigra, (Linn.). — The Black Tern. 



The Black Tern was first seen at Stockton Ai)ril 24, 1878. It was 

 abundant from that date until June 8, and probably later. It left 

 Stockton before September 7. 



74288 



? ad. 



*Stockton . 



Apr. 25, 1878 



Family PODICIPID^ : The Grebes. 



217. .Schmophorus occidentalis, (Lawr.). — Western Crehe. 



I have seen four of these Grebes at Stockton during the i)resent sea- 

 son (1878). I have shot four of them, two in spring, two in fall. Those 



* " Iris green ; eyelids bordered with nmnded spots of blnisli wliite." 

 t "Eyes sea-green; eyelids bordered with rounded spots of pale bine; interior of 

 month metallic oobalt-blne, extending far down the throat, where it assnmes a black- 

 ish hno." 



t "Iris blue, or brownrrblue; web of mouth and eyelids orange-red, like spot on 

 mandible; legs and feet pale clay -fleshy." 



