252 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



L\_anius'] l{udoviciani(s'] anthoitiji Bailey (Florence M. ), Handb. Birds W. U. S., 



1902, 398. 

 Laniuii antlionyl Geinnell (J.)> Pacific Coast Avifauna, no. 3, June 25, 1902, 62. 



LANIUS LUDOVICIANUS MEARNSI, new subspecies.« 

 SAN CLEMENTE SHRIKE. 



Similar to L. L anthoni/t, but upper tail-coverts abrupt!}' white, 

 more white on scapulars, white spot at base of primaries larger, and 

 under parts of body much less strongly tinged with gray. In white 

 upper tail-coyerts, greater extent of white on posterior scapulars and 

 at base of primaries, similar to Z. /. f/amheli, but the gray of upper 

 parts yery much darker (quite as dark as in Z. /. anf//07iyi), and with 

 much less of white at base of primaries and on lateral rectrices. 



Adult female.— I^ength (skins), 200-208 (204); wing, 93-96 (94.3); 

 tail, 88-100 (94.7); exposed culmen, 15-16 (15. T); tarsus, 26-27 (26.7); 

 middle toe, 16-17 (16.3).^ 



San Clemente Island, Santa Barbara group, southern California; 

 Santa Margarita Island, Lower California (Pacific side). 



(?) Lanlus ludovicianus excubitorides (not Lanius excubitorides Swainson?) Bryant 

 (W. E.), Bull. Calif. Acad. Sci., ii, 1887, 306 (Guadalupe I., Lower Califor- 

 nia, 2 specs., Dec. ). 



Lanius ludovicianus gamheli (not of Ridgway) Grinnell, Rep. Birds Santa Bar- 

 bara Islands, etc., 1897, 19 (San Clemente I.; habits; descr. nest and eggs); 

 (?) Auk, XV, 1898, 235 (Santa Catalina I.). 



Family CORVID^. 



THE CROWS AND JAYS. 



Rather large to very large ^ " conirostral " or " cultrirostral" ten- 

 primaried acutiplantar Oscines without subterminal notch to maxil- 

 lar}" tomium; the planta tarsi separated, more or less distinctl}^, from 

 the acrotarsium b}^ a narrow interval which is either smooth or occu- 

 pied by small roundish or ovate scales, the outer plantar lamina, with 

 the lower portion (sometimes one-third or more), divided into trans- 

 verse scutella; nostrils covered, more or less, by a tuft of antrorse 

 plumules, or, if exposed, circular and without distinct overhanging 

 membrane, or else*^^ longitudinal, with prominent superior operculum; 

 outermost (tenth) primar}' shorter than secondaries, not more (usually 

 less) than half as long as longest primary. 



Bill variable in shaj)e, but alwaj^s more or less elongate, compressed 

 conical, with culmen more or less strongly curved terminally,* never 



"Type, no. 134781, coll. LT. S. Nat. Mus., adult female, San Clemente Island, 

 Santa Barbara group, southern California, Aug. 27, 1894; Dr. Edgar A. Mearns, U. S. A. 



''Three specimens; two from San Clemente Island, one from Santa ^Margarita 

 Islands, Lower California. The latter and one of the former not quite adult, retain- 

 ing traces of the juvenile plumage. 



" The ravens are the largest of Passerine birds. 



^ In the genus Cyanocephalus. 



<" Except in Cyanocephalus, which also has the terminal portion of the culmen 

 flattened. 



