some Species of Terrestrial Iso2')oda, 431 



liaving been found in this Colony, and as I have collected 

 terrestrial Isopoda for many years, both directly and with the 

 help of numerous friends, it is hardly likely that it would 

 have escaped observation if it occurred in any numbers. 



Metoponurthus pruinosus (Brandt). 



Metopo7iort]iiix pndnosus, Budde-Lund, Isopoda Terreslria, p. 1G9. 

 Metopoiioiiliir-i jin/iiio.'iit.SfG. O. Sars, Crustacea of Norway, ii. p. 184. 

 Porcellio zf(tl(UKltcH>>, Miers, Oat. Nftw Zealand Crustacea, p. 100. 

 Porcellio zealandicus, Chilton, Trans. Linn. Soc, ser. 2, Zool. viii. p. 141. 



Th.is is another species which Budde-Lund says has been 

 carried by navigation to all parts of the world. It has, 

 however, not yet been recorded from Australia, and no 

 specimens have so far reached me from the mainland of that 

 continent. On the other hand, it appears to be common on 

 Norfolk Island, whence specimens have been sent to me both 

 by Mr. W. Laing and Mr. R. M. Laing, and, according to 

 Monsieur Adrien Dollfus, it also occurs in New Caledonia and 

 in the Marianna Islands. 



A specimen of this species appears to have been collected 

 in New Zealand before 1847, and was given the name 

 rorcelUo zealandicus in the list published in that year. In 

 1885 Budde-Lund gave P. zealandicus as a doubtful synonym 

 of Metoponorthus pruinosus; but as the specimen in the 

 British Museum was not sufficiently well preserved to render 

 identification certain, and as other species formerly recorded 

 had not been met with again in New Zealand, the question 

 remained doubtful till Marcii 1905, when I received from 

 Mr. Hutchinson numerous specimens of Metoponorthns prui- 

 nosus from the shores of a tidal lagoon in Hawkers Bay, in the 

 Noith Island of New Zealand. There is therefore no reason 

 for doubting that Porcellio zealandicus, Miers, is the same as 

 Metoponorthus p>ruinosus and that the species had reached 

 New Zealand before 1847. It is rather interesting to note 

 that the species has not spread more widely, for as yet it lias 

 not been met with in any other locality in New Zealand*. 



Armadillidlum vulyare (Latr,). 



ArmadilUiUum vulgare, Budde-Lund, Isopoda Terrestria, p. (j6. 

 Armadillidium vuk/are, tr. O. Sars, Crustacea of Norway, ii. p. 189. 

 Ai-madillidium vulgare, Chilton, Trans. Linn. Soc. ser. 2, Zool. viii. 

 p. 142. 



* A sliort paper on tlie occurrence in New Zealand of this species lias 

 been sent to the Transactions N.Z. Enslitute, vul. xxxviii. 



