358 ON THE CLASSIFICATION OF BIRDS. 
a lateral membrane, which is either narrow, and 
of equal breadth, or dilated into lobes. The natato-— 
rial type. 
* F. Chloropus. Selby, ii. pl. 31. atra. Selby, ii. al 32,0 
Raxuus, Linn. Rail. Bill lengthened, slender. Both ‘ 
mandibles, in general, slightly curved, and with 
their margins considerably inflected beyond the nos- 
trils. The tenuirostral type. (fig. 312.) 
R. cesius. Part 5. No. 162. neglectus. Part 5. No. 164, 
sanguinolentus. Ib. No.  brachypus. Ib. No. 165. 
161. Lewinii. Ib. No. 166. 
superciliosus. Ib.No.163. albiventer. Ib. No. 167. 
GaLLInuLA, Auct. Water-Hen. Bill short, straight ; 
the margins not inflexed. The cutting edges of 
the upper mandible folding over the lower. Gonys — 
very short, angulated. Toes simple, without any — 
marginal membrane. The rasorial type. (fig. 313.) 
immaculata. Part 5.No.168. ecaudata. Part 5. No. 200. 
curvirostra. Ib. No. 169. modesta. Ib. No. 201. 
‘ flavirostra. Ib. No. 170. leucosoma. Ib. No. 202. 
albifrons. Ib. No. 171. 
Alecthelia, Lesson. Tail feathers obsolete, or confounded 
with those of the rump, some of which are laterally 
compressed, and all are long, lax, and very soft. 
A. lineata. Part 5. No. 172. 
* I consider this as only an aberrant species, with the lobes not so muca 
developed, just as we see among the Phaleropes : it may be placed, indeed, — 
with Porphyrio, but has no connection whatever with Gallinula. 
+ This extraordinary form is, in all probability, the true type of Gait. 4 
nula, 
, 
J 
- 
4. 
t 
