SYLVIPARUS. — SYNALLAXIS. 
569 
in fissura strictissima longitudinales, squamula membranacea tectae, plumis frontali- 
bus semiopertae. Alae obtusae, quarta remigum longior. Cauda extensa, rectrici- 
bus sex basi crasso, rigidis ac denudatis, ad apicem tantum plumulis pilorum ad 
instar irapennatis. Tarsi praelongi, sex squamis antice tecti, digitus internus medio 
prima phalange conjunctus, pollex robustus, elongatus, ungue procurvo ac longissimo 
armatus. 
SYLVIPARUS modestus Burton, Proc. Zool. Soc. 1835. 153. = Parus modestus. 
Rostrum parvulum, brevissimum, compressum nisi ad basin, mandibulae 
aequales, superior paullulum ad apicem arcuata; nares plumis setaceis tectum. Pedes 
ut in genere Paro. Alae longiores, fere ad extremam caudam extensae, remige 
prima vera breviore, secunda, tertia, quarta aequalibus et longissimis, quinta his 
paulo breviore, sexta primam aequante. Cauda mediocris, aequalis. 
SYMA Lesson, Traité Ornith. 1831. 244. = Dacelo torotoro Schleg. 
Bee long, élargi à la base, comprimé et mince sur les côtés vers l'extrémité, 
à mandibule supérieure marquée par une arête se recourbant à la pointe, qui est 
très aiguë, plus longue que l'inférieure, celleci est carénée en dessous et convexe: 
bords ganris de dents aiguës, en scie, fortes et nombreuses. Première rémige courte, 
troisième et quatrième les plus longues. Queue arrondie, inégale. 
SYMMORPHUS leucopygus Gould, Proc. Zool. Soc. 1837. 145. — Campephaga 
leucopyga Gray. 
Rostrum subbreve, tumidum; mandibula superiori ad apicem leviter emarginata; 
culmine commissuraque subarcuatis. Nares basales, ovales et plumis frontalibus 
fere occultatae. Alae médiocres; remige primo breviore, secundo per dimidium, 
tertio, quarto, quinto longissimis et inter se fere aequalibus. Cauda mediocris, 
rectrice externa utrinque per partem quartam ceteris breviore. Tarsi et pedes 
médiocres, illi antice scutellati; digito postico cum unque, medio breviori, digitis 
lateralibus inaequalibus, interno brevissimo. 
SYMPHEMIA Rafinesque 1815. — Sundevall, Meth. Av. 125. = Totanus semi- 
palmatus Tem. 
Bill compressed, very thick, the culmen rounded. The lower mandible scarcely 
grooved the upper grooved to about the middle. Culmen slightly convex ; gonys adscend- 
ing. Bill cleft but little beyond base of culmen. Feathers of sides of both mandibles 
falling short of the nostrils; the lower rather further forward. Chin feathers reaching to 
beginning of nostrils. Bill longer than head ; about equal to tarsus , which is more 
than ] Y2 times the middle toe. Both toes webbed, the emargination of inner web 
as far forward as the middle of basal joins of middle toe; the outer reaching 
nearly to the end. Tail nearly even or little rounded, not half the wings. 
chrysophrys Verreaux, Journ. Ornith. 1855. 506. = Hyphantornis jonquil- 
laceus RcHB. 
princeps Bonaparte, Consp. Av. I. 439. = Hyphantornis princeps Rchb. 
SYMPLECTES chrysomus Swainson, Class. Birds 1837. II. 279. — Hyphantornis 
bicolor. 
Ploceus, but the bill is more compressed, the commissure curved, but neither 
siniiated, nor toothed. Wings short, rounded; the first quill half as long as the 
second, which with the third is graduated; the three next are nearly equal and 
are the longest. Tail moderate, even. Feet strong. The middle toe abbreviated, 
inner lateral toe shorter than the outer; hinder toe long, equal to the middle toe. 
SYMPOSIACHRUS Bonaparte, Compt. rend. 1854. XXXVIII. 388. 650. Man- 
archa trivirgata Gould. 
SYNAECUS Agassiz, Ind. Nomencl. = Synoicus Gould. 
SYlVALIiAXIS (Anabatidae. — cJUvaXXa^tC mutatio). — Vieillot, nouv. diet, 
hist. nat. 1819. XXXII. 309. — d'Orbigny, Voy. Amér. mérid. Ois. 237. — 
Sclater, Proc. Zool. Soc. 1874. 2. — Burmeister, üebers. Th. Bras. III. 38. 
Synon.: Parulus Spix. — Anabates Tem. — Oxyurus Swains. — Anumbius d'Orb. — 
Anabacerthia Lafr, — Certhiaxis Less. — Sylviorthorhynchus Gay. — Sphenopyga, Phleo- 
cryptes, Schizura Cab. — Leptasthenura, Leptoxyura, Bathmidura, Phacellodomus , Mala- 
curus, Melanopareia, Asthenes Reichb. — Coryphistera Burm. — Bathmicercus Fitz. 
