340 APPENDIX. 



and Dysporua Sitla alighted frequently on our vessel, 

 ,and allowed themselves to be taken. The latter, 

 when old, has a blue beak and red feet; when 

 young, a red bill and flesh-coloured legs. The ex 

 terior nostrils are entirely wanting; but in every 

 part are air-cells between the skin and the muscles. 



Besides these animals, six varieties of Pteropodes 

 were caught ; also a Gluucus, differing from that of 

 the Atlantic Janthiwa penicephala Per., a Planaria, 

 Salpa vivipara Per., a Pyrosoma, resembling that of 

 the Atlantic, and a Lepas, attached to the shell oT 

 the Janthina. Our collection of Acalephi was 

 extremely rich ; of fourteen kinds taken, only one, 

 Phy&alia Lamartitiieri, was known to us?. 



Our eight days stay at the coral island Otdia, 

 afforded us an opportunity to observe or collect 

 about one hundred different kinds of marine ani 

 mals. It has already been mentioned elsewhere, 

 that the only kind of mammalia found upon this 

 island is a middling-sized cat, which feeds on the 

 fruit of the pandanus tree, and makes its nest in 

 the dead branches, which it easily hollows out. 

 Several lizards have also been found in these is 

 lands, such as the striped Abkpharus of O Tahaiti, 

 and a small Gecko ; a large coal-black lizard was 

 several times seen, but always escaped among the 

 dry pandanus leaves. The fishes are remarkable 

 for the singularity of their form, and the beauty of 

 their colours ; those brought to us by the inhabitants 

 belonged to the Holucentnis, Scarus, Miillus, Chce- 



