BIRDS OP NORTH AND MIDDLE AMERICA. 



149 



105-122 (112.5); culmen, 33-37 (35.5); tarsus, 27-29 (28); outer 

 anterior toe, 22-27.5 (24.6). « 



Young male. — Similar to the adult male but coloration duller, the 

 malar region dusky exteriorly, dull red centrally, the under parts of 

 body light sooty grayish brown, the feathers indistinctly tipped with 

 paler and with an indistinct spot of dusky. 



Central and southern Costa Rica (Boruca; Pozo del Rio Grande; 

 El Pozo de Terraba; Paso Real; El General; Pigres; Barranca de 

 Punta Arenas; San Jose; Guayabo; Bonilla; mouth of Rio Matina) 

 and Panama (Panama; Lion HiU; Chepo; Santa Fe de Veragua). 

 Santa Marta district of Colombia (Santa Marta; Bonda; Minca; 

 Valparaiso; San Antonio; La Concepcion) ? 



Dryocopus scapularis (not Picus scapularis YigoTs) Lawrence, Ann. Lye. N. Y., 



" vii, 1862, 333 (Panama). 

 C[eophloeus] mesorhynchus Cabanis and Heine, Mus. Hein., iv, heft 2, 1863, 86 



(Costa Rica; coll. Berlin Mus.). 

 Dryocopus mesorhynchus Gray, List Birds Brit. Mus., Capit. and Picidse, 1868, 60 



("Caraccas," i. e., Cartago?, Costa Rica). 

 [Dryocopus] mesorhynchus Gray, Hand-list, ii, 1870, 189, no. 8641. 

 [Picus lineatus.] Var. occidentalis Sundevall, Consp. Av. Picin., 1866, 8 (new 



name for Ceophloeus mesorhynchus Cabanis and Heine). 

 Dryocopus lineatus (not Picus lineatus Linnaeus) Sclater and Salvinj, Proc. Zool. 



Soc. Lond., 1864, 366 (Lion Hill, Panama). 



o Eleven specimens. 



Locality. 



MALES. 



Ten adult males from Costa Rica 



Two adult males from Panama 



Ten adult males (intermediates) from Santa Marta district, 



Colombia 



Two adult males (C. I. lineatusf) from central Colombia 



Two adult males (C I. lineatus?) from Venezuela 



Two adult males (C. I. lineatusf) from Trinidad 



Six adult males (C. I. lineatus) from the Guianas 



Six adult males (C I. lineatus) from Brazil 



One adult male (C. I. lineatusf) from Bolivia 



FEMALES. 



Ten adult females from Costa Rica , 



One adult female from Panama 



Ten adult females (intermediates) from Santa Marta district, 

 Colombia 



One adult female ( C. I. lineatus?) from central Colombia 



Three adult females (C. I. lineatusf) from Venezuela 



Two adult females (C. I. lineatus?) from Trinidad 



Two adult females ( C. I. lineatusf) from Surinam 



Three adult females (C I. lineatus) from southwestern Brazil 



(Chapada) , 



Three adult females (C. I. lineatusf) from Bolivia 



Wing. 



183.8 

 180 



184.2 



193 



186 



192.8 



19a 3 



189.8 



190.5 



182.2 

 181 



181.5 



201.5 



188 



184.3 



196 



186.2 



189.8 



Tail. 



113.8 

 116 



117.3 



126 



112.5 



117.3 



11&6 



121.5 



122 



114.6 

 112.5 



120 



126 



123 



11&5 



126.8 



119 

 122.5 



Ex- 

 posed 

 cuhnen. 



3a 1 

 37.3 



3a 3 



37.8 



38 



39.3 



37.8 



39.8 



39 



35.4 

 36.5 



37.2 



36.5 

 37.5 

 36 



37.3 

 36.5 



Tarsus 



2a 2 

 2a 2 



2a 6 



29 



29.3 



30 



29.7 



2a 6 



27.9 

 29 



27.7 



29 



28 



28 



28 



27.5 

 27.7 



Outer 

 ante- 

 rior toe. 



249 



24.7 



24.5 

 25.5 

 24.3 

 25.8 

 24.5 

 24 



24.6 

 24 



23.2 

 24 5 

 24 

 25.3 

 25.3 



25.5 

 2a2 



Partly owing to lack of sufficient material I have not attempted any revision of 

 the South American representatives of this species, which undoubtedly include 

 two or more forms. 



