122 “TERRA NOVA” EXPEDITION. 
15. Layenorhynchus obscurus, Gray.* (Pl. VIII, figs. 2-4.) 
September 3,1910 . ; ; : 5 Bia ay Shy leche} 13. 
October Tess ; : : 2 ALOIS 8 Sa el2oreeiebr 
Ree 38° 52’ S., 146° 40’ E. 
E 20, ,, 49° 51'S,, 153° 56! EB. 
0 ue asa a ‘ : : 43° 41'S., 156° 56’ BE. 
July Sees : : ; F : Bir ID TSS ilrteh? veh 1D 
October Ue, Weil. 3 : : : 37° 49' S., 178° 39! BH. 
f ee 41° 51'S., 175° 16’ E 
oe Ne wea Off Kaikoura, N.Z. 
é Gripes: > yen ee eee ‘i 
December 15, ,, ‘ : : j : Off Banks Peninsula, N.Z. 
- eh ele : 4 : ; 20 miles off Akaroa, N.Z. 
February 7,1913 . : ; ; : 51° 56’ S., 168° 02’ EB. 
March IB as : : : : 5 Off Lyttelton Heads, N.Z. 
Schools of dolphins which we identified as belonging to this species were seen on 
the above dates. 
This dolphin does not seem to occur further south than about Lat. 58° 8. But 
whenever we were approaching, or leaving, the coast of New Zealand we invariably met 
°°? 
Fia. 14.— Tursio peronii, Lacépede. 
large schools of the ‘* Dusky Dolphin,” which used to follow us and play round the 
bows of the ship, as though they were seeing us off or welcoming us back to temperate 
lands. 
These dolphins varied a good deal in colour. Three of the most common types of 
pigmentation, in what appeared to be one species, are given in Plate VIL, figs. 2-4. 
* True, F. W., Bull. U.S. National Mus., No. 36, ‘‘ Review of the Family Delphinidae,” 1889, 
p. 104, Pl. XXIX. Racovitza, E., op. cit., pp. 59, 111-119. Wilson, E. A., op. cit., p. 8. Waite, 
E. R., Records of the Canterbury Museum, N.Z., Vol. I., No. 2, 1909, Pl. VI., Fig. 2. 
