A SMALL COLLECTION OF AMPHIPODA FROM JUAN FERNANDEZ 87 

Fig. 2. Orchestia chiliensts M.-Ed., var, gracilis, male. A. Upper Antenna, 
B. Lower Antenna. C. First Gnathopod, D. Second Gnathopod. E. Fifth 
Peraeopod (less magnified than the other figures). 
Aora typica Kroyer. 
Aora typica Kroyer, 1845, Naturh. idsskr., ser. 2,i, p.328, pl. ili, figs. 3 a—l. 
Lalaria longitarsis Nicolet, 1849, in Gay Hist. Chile, vol. 3, p. 243, Crustacea, 
pie) fig. Sia—t. 
Aora typica Chilton, 1885, Ann. & Mag. Nat. Hist., ser. 5, xvi, p. 370. 
Aora typica Stebbing, 1906, p. 587. 
Aora typica Chilton, 1909, p. 645. 
Localities. 
Masatierra, Cumberland Bay, 20—25 m., 6. XII. 16. S. P. E. No. 53. 
One male, form 1, and two females. 
Masatierra, 30—45 m., 28. III. 17. No. 406. Ameng calcareous algae. 
Two females, imperfect. 
The male specimen has the triangular process or spine on the front mat- 
gin of the basis of the first gnathopod as described and figured by NICOLET 
and myself. NICOLEY’s specimens were from the coast of Chile and the same 
form is found in New Zealand where it is accompanied by another form of 
