Annandai,k. — Undescrihed Barnacle of the Genus Scalpellum. 165 



Limbs, (Gc. — Cirri colourless, rather short and by no means strongly 

 curved, with a luxuriant fringe on the anterior and well-developed bunches 

 of hairs on the posterior margin. The two rami of the first cirrus sub- 

 equal, slender, pointed ; the first ciiru? not widely separated from the 

 second. Anal appendages with one joint, which bears a tuft of short hairs 

 at the tip and does not reach the end of the first joint of the protopoditc 

 of the sixth cirri. Penis rather short, stout at the base, contorted. 



Mouth Parts. — Labrum slightly bullate, not much produced. Mandible 

 with six main teeth in addition to the inner angle ; the outermost tooth 

 slightly larger than the second, which is much smaller than the others ; the 

 third, fourth, fifth, and sixth subequal ; small subsidiary teeth also present 

 between the first and the second and at the outer base of the sixth ; the 

 inner angle blunt (perhaps sometimes bifid), bearing several short bristles. 

 Maxilla with the free edge straight, bearing a row of bristles of different 

 sizes that decrease gradually from without inwards ; inner angle rounded. 

 Second maxilla broad, with the free edge slightly sinuous, bearing a fringe 

 of long hairs. 



Length of capitulum, 40 mm. ; breadth of capitulum at base, 25 mm. 



Scalpellum spinosum closely resembles my S. kampeni, which occurs off 

 the east coast of Sumatra, at Singapore, and in the Gulf of Siam. From 

 this species it differs not only in its greater bulk, but also as regards the 

 structure of its mouth parts and in the much greater profusion, more regular 

 arrangement, and smaller size of its peduncular plates. The scutum is also 

 broader, and the tergum differs in being retroverted. In the only specimen 

 examined there is no dwarf male. 



[Locality. — Note by Professor Benham. — The specimen forwarded to 

 Dr. A. Annandale was one of a number received by me in 1899 from 

 Mr. Cox, who was then light-keeper at Farewell Spit, Nelson. The same 

 species was obtained off Stewart Island during the cruise of the " Nora 

 Niven."] 



Art. XXI. — Notes on the Saddleback of New Zealand (Creadion carun- 



culatus). 



By W. W. Smith, F.E.S. 



[Read before the Manawatu Fhiloxopliical Society, 17th 31 arch, 1910.] 



A YEAR ago Mr. S. Percy Smith, F.R.G.S., ex-Surveyor-General of New 

 Zealand and distinguished Maori scholar and historian, informed me that 

 when surveying in parts of the North Island many years ago he occasion- 

 ally observed flights of the popokatea, or whiteheads {Clitonyx albicapilla), 

 being followed by saddlebacks in their gregarious migrations through the 

 native forests. This peculiar habit of the saddleback, or native starling, 

 in following flights of, and associating with, other species of birds in the 

 forests was first observed and reported by the gold-diggers during the gold- 

 rush in the great forests of the west coast of the South Island, nearly fifty 



