84 Proceedings. 



of this with the Otaki River. Great care must be exercised iii keeping to the proper 

 track during the latter part of the journey, avoiding tracks on several spurs branching 

 off to the right leading into the Otaki Gorge, which can only be traversed with the 

 greatest toil and difficulty. A spring bridge crosses the Waiotauro a little above its- 

 junction at Judd's hut, half an hour's walk along a good road from the tiorge settlement.. 

 Lists are given of the plants and birds met with during the four days" journey fronk 

 Kaitoke to Otaki. 



Fifth Meeting : 1st Septemher, 1909. 



Mr. A. Hamilton, President, in the chair. 



Exhibit. — Mr. Thomas King exhibited a language-teaching phonography 

 which he briefly described. Professor von Zediitz, of Victoria College, at 

 the invitation of the chairman, addressed the meeting, expressing his views- 

 as to the extent to which the apparatus would be found useful by the teacher 

 of foreign languages. 



Papers. — The following papers were read : — 



1. "A Reply to Mr. Elsdon Best's Paper on ' Maori Numeration ' in 

 the ' Transactions of the New Zealand Institute,' vol. xxxix," by H. Hongi ; 

 communicated by A. Hamilton. 



Owing to the lateness of the hour, the reading of a paper (2) " On 

 Hongi's Armour." by Mr. A. Hamilton, was postponed to next meeting. 



The following papers were taken as read : — 



3. " Some Additions to the Perlidce, Neuroptera. PJnnipennio, and 

 Trichoptera of New Zealand," by E. J. Hare ; communicated by G. V^ 

 Hudson. 



4. " Occurrence of Rare or New Elements and Minerals in New Zea- 

 land," by B. C. Aston, F.C.S. 



Aliinogene, hydrated aluminium-sulphate (Al2{S04)3.18H2O), or "hair salt," occurs 

 at Fi'ench Pass in considerable ciuantity. About 1 cwt. of soil was received. This 

 consisted of 10 per cent, alunogene and 90 per cent, silicate of alumina, slightly con- 

 taminated with ferric oxide. Analysis of the ^ormer showed it to correspond with the 

 above formula, 



Tiianivm-'phosph.aie, or Pkospho-titanic Acid. — The red scoria, and the red earth 

 appiarently derived from it, existing in considerable amoimts at Antipodes Island con- 

 tain comparatively large quantities of a phospho-titanic compound. The red earth 

 contains 8*4 per cent, and the scoria somewhat less of the compound, which may prove- 

 to be the phospho-titanic acid (3Ti02.P205) of W. Knop (Watt's Diet, of Chem., 2nd 

 supp.), seeing that it contains 37-1 per cent. P2O5, 61-82 per cent. Ti02. and 1-08 per 

 cent, undetermined ; is hygroscopic ; and has a specific gravity of 2-75. It does not 

 appear to liave been recorded as occurring in nature before. 



Tiianijero'us Iroiisand of Campbell Island contains much more titanium than does 

 that of Taranaki. A fine sand from Nor'-west Bay contained 31-58 per cent. TiOg, 

 and 0-21 per cent. 8n02. with probably a small quantity of Zr02- A coarse sand from 

 Perseverance Harbour contained 42-18 per cent. TiOg, 0-32 per cent. Sn02. f-nd a trace 

 of coppier. 



Rock Phosphate occurs as a thin polished layer on the surface of coarse-grained 

 granite at the Boimty Islands. The iihosphate only loses 5 jier cent, on ignition, ancL 

 contains 11-77 i)er cent. P2O5. 



Vivianite- — phosphate of iron — occurs at Campbell Island, associated with zircons. 



Selenhtm occurs in the concentrates of the Talisman Mine, Karangahake, AucklancL 

 to the extent of 0-34 per cent. 



Amethyst occiirs in the soil of the Eweburn State Nursery, Maniototo Plahi, Otago> 



5. " Notes on a Collection of Sea-anemones made bv Mr. C. L. Walton, "^ 

 by C. L. Walton and F. G. A. Stuckey, M.A. 



6. " Unrecorded Habitats for New Zealand Plants," bv B. C. Aston. 



