THE BIRDS OF AUSTRALIA. 
Nugax 
Nares tubulosa. Tubuli dilatati, ampliati, depress!, vix tertiam partem mandibula 
adtingentes, vicini. 
Aperturis etsi in dorso rostri, versus latera tamen remotis, oblongis interne et superne 
rotundatis, oblique truncatis. 
Mandibula inferior angusta ; recta, pone apicem parum gibba, linea longitudinal! cutacea 
notata a ca'ruleo-glauca, apice nigra, vix adunca. 
Lingua lanceolata, antioe integra, postice lateribus serrata. 
Oculi nigri, Iride cinerea. 
Cauda cuneata, longitudine pedum, tota nigricans, sed subtus pennis elongatis crissi tecta. 
Pedes compedes. 
Femora paulo supra genua nuda, brevissima, quoad maximam partem recondita. 
Tibia valde compressa, subancipites, ca'rulea, angulo postico extus nigro. 
Digiti supra ca'rulei, subtus nigricantes ; extimo etjam extus nigricante. 
Membrana conectens e glauco-albida ; marginibus nigris. 
Ungues nigri, lanceolati. Loco digiti postici 
Unguis sessilis, conicus, compressus. 
Obs. ulterius comparetur cum Nectri Nugace Mscr. 
Longitude ab apice rostri ad finem cauda 1 ped. 1 
inter apices alarum expans 2 do. 1 
Rostri II 
Pondus 8 
>unc. 
Neetris supra fuliginosa, subtus nivea, rostro toto plumbeo-nigricante, naribus quadruple 
longiore. 
Habitat in Oceano Novam Hollandiam alluente. Lat. austr. XIX : 0, Long. occ. 
CCXIII. (Junii 6, 1770). 
Simillima Nectri Munda Mscr. sed quoad corpus multo minor. 
Rostrum longius est et angustius etc. 
Oculi nigri Iride cinerea 
Obs. Pena' Abdominis et Tectrices alarum superiorum erosa' 
Melior concinetur differentia inter banc & 
Nectrim Mundam Mscr. 
Longitude ab apice rostri ad finem cauda 1 ped. > 
inter apices alarum expansaru 2 do. > unc. 
Rostri If) 
This rather exhaustive review is absolutely necessary to bring into per- 
spective the complex and almost bewildering array of facts to be dealt with 
before the birds can be correctly named or properly located. 
With regard to the birds themselves, the results of examination of specimens 
from Norfolk Island, the Kermadecs, North Island of New Zealand, Chatham 
Islands New Zealand, West Australia, Gough Island, Cape Verde Islands, 
Canary group, Madeiras, Bermudas, the Bahamas, Montserrat, Reunion, Sey- 
chelles, Pelew Islands, Carolines, Samoa group. New Hebrides, and many islands 
of the Galapagos group, are herewith given. 
It should be noted that no specimens are available from Christmas Island, 
although collections have been made at that place. It would seem that this is 
due to the fact that in many localities these little Shearwaters breed in the 
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