TiRDLICKA] BRAIN WEIGHT IN VERTEBRATES 103 
I. ARRANGEMENT BY SPECIES.—Continued. 
BIRDS. 
Sylvide. 
Siete) otaeck | GWeigueot || Welw’ of | sister 
: * age o ate 0 el 0: eight o 1 
Object. PA Life. | Body. Body. Brain. eee 
Body. 
224,989 Sylvia atricapila | ? adult. medium. 12.9 gr. O875/ Ot |in Tac 
Turdide. 
224,973 Merula merula So | adult. medium. | 88.ogr. 1.6 gr. 1: 55 
224,933 Kittacincla ma-| ? rs somewhat| 19.6 0.9 Tes 
croura emaciated. 
Aedon luscinia 2 FR slightly 13.55 0.64 To 20 
emaciated. 
Erithacus rubecula ? adult. medium. | 10.3 0.65 13) 16 
224,983 Erithacusrubecula | ? a6 ce II.0 0.75 ia any 
Robin (American) e) ce Gt 91.5 1.72 e538 
Mimide. 
Mimus polyglottus | & | adult. |somewhat| 29.5 gr. 1.6 gr. 1: 18 
emaciated. 
ss ze ey oe 29.5 1.5 L520 
222,442 Mimus polyglottus! ¢ | adult. medium. | 33.5 1.35 Le 25 
224,990 os ? a ee 48.5 iow rig. Bay) 
Mimus polyglottus ? se KS 55.0 gis Tees 5 
Crateropodide. 
224,992 Leiothrix lutea ? adult. medium. 16.4 gr. TOP ebsites 5 
Paride. 
Parus a ? - medium. g.0 gr. O:48)ex.)|| D2) 19 
CORACIIFORMES : Alcedinide. 
228,056 Dacelo gigas 2 adult. medium. | 210.0 gr. | 4.47 gr. | I: 47 
COLUMBIFORMES : Columbide. 
224,985 Columbig allina 2 | adult. medium. SOE ae OO any ee Rie 
Columbig allina ? Ge es 45-5 0.94 13) 48 
224,923 Turtur risorius 2 ae oe 109.0 1.05 1s) 104 
Turtledove ? ut es 72.0 1.08 EB 0}7/ 
#¢ ? se oC QI.5 1.35 1: 68 
224,968 Ocyphaps lophotes | ¢ US oe _ 148.0 iy 1: 86 
224,962 OC ae ? oC somewhat, 118.5 1.67 Dy) 7k 
emaciated. | 
Pigeon (domestic) B oc medium. | 188.5 1.9 I: 99 
224,978 Pigeon (domestic) | $ a f 232.5 1.97 Th Mts) 
Pigeon (domestic) fe Xe somewhat; 154.0 2.02 7,0 
emaciated. 
224,911 Pigeon (Pigmy| ? ee medium. | 221.0 1.35 1: 163 
Ponter ) | 
Pigeon (Pigmy Ponter) ? OC ae 227.0 1.87 Tea 2 
224,918 Pigeon (Pigmy | ? a OG 232.5 2.0 I: 116 
Ponter ) 
224,945 Pigeon (lee) ¢ ee ce 184.0 2.12 Bis) 
Pigeon) 
