1 Transactions.— Zoology. 
of the cell, forming a secondary cell; there are, also, two free false veins, 
often obsolete, one on each side of vein 1, known as la and 1b. The 
strueture of the hindwings is the same, except that there are only six veins 
rising from the cell, or eight altogether. Any two veins may coincide 
partially, when they appear to rise from a common stalk ; or wholly, when 
their number appears diminished. In the lowest groups of the Tineina the 
venation is commonly very incomplete, without any distinet cell. The 
other points of structure to be especially noted are the form of the labial 
palpi, the absence or development of the maxillary palpi, the antenne, the 
scaling of the head (in the Tineina), and some minor details. The legs and 
abdomen very rarely afford any characters worthy of notice. It must, also, 
be especially borne in mind that the form of the wings is in general almost 
valueless for generic distinction and should never be relied on; but excep- 
tion may be made in the hindwings of some of the Tineina, which from 
their great diversity often furnish serviceable points of distinction. The 
measurements in the following descriptions are given in millimetres (for 
practical purposes, 25 = 1 inch), which have the advantage of being com- 
prehensible without confusion in all countries, and are now very commonly 
adopted. 
Little need be said of what has been hitherto done in the investigation 
of the Micro-Lepidoptera of New Zealand. Doubleday and Zeller have — 
incidentally described a very few, only about a dozen altogether ; their 
descriptions are excellent and all easily recognizable. I am indebted to 
Prof. Zeller for sending me his original figures of the New Zealand 
species of Crambus described by him, to ensure their accurate determin- 
ation. Felder has figured a small number of species, but as his figures 
are commonly poor and hard to identify, and his classification wholly 
conjectural, it would have been better if he had left them alone. Walker, 
in his British Museum Catalogue, has described a good many; but his 
work, as I have elsewhere sufficiently pointed out, is useless for 
scientific purposes. His descriptions are strictly, almost always quite, 
unidentifiable ; but I have adopted his specific names from a comparison 
of the types, when it appeared that the specimens standing as types are 
really those intended by the description, and when the types are, also, 
themselves recognizable, which is by no means always the case. But as — 
genera are not realities but abstractions, I have conceived it to be impos- 
sible to adopt his generic titles, unless the characters given really indicate 
the distinctive points of the genus, which hardly ever happens. Latterly 
Mr. A. G. Butler, of the British Museum, has turned his attention to these 
groups, but, I grieve to say, with most unsatisfactory results. For example, 
as I have pointed out hereafter, he has described three typical species of 
