siRTF.i.T.A r.n.vriLTs. 193 



Sta. 4695. Dec. 23, 1904. Lat . 2,')° 22.4' S., long. 107° 4,5' W. 300 fiiLS. to surface. 2 specimens. 



Sta. 4696. Dec. 23, 1904. Lat. 24° 40.3' S., long. 107° 5.3' W. Suiface. 7 .specimens. 



Sta. 4698. Dec. 24, 1904. Lat. 22° 50.4' S., long. 105° 31.7' W. .Surface. 1 specimen. 



Sta. 4700. Dec. 25, 1904. Lat. 20° 2S.8' S., long. 103° 2G.3' W. Surface. 5 specimens. 



Sta. 4702. Dec. 26, 1904. Lat. 18° 39.5' S., l<mg. 102° W. Surface. 1 specimen. 



Sta. 4704. Dec. 27, 1904. Lat. 16° 55.3' S., long. 100° 24.fi' W. Surface. 1 specimen. 



Sta. 4706. Dec. 28, 1904. Lat. 14° 18.7' S., long. 98° 45.8' W. Surface. 1 specimen. 



Sta. 4709. Dec. 30, 1904. Lat. 10° 15.2' S., long. 95° 40.8' \V. 300 fius. to surface. I specimen. 



Sta. 4710. Dec. 30, 1904. Lat. 9° 30.5' S., long. 95° 8.3' W. Surface. 1 specimen. 



Sta. 4712. Dec. 31, 1904. L.at. 7° 5' S., long. 93° 35.5' W. Surface. 11 specimens. 



Sta. 4718. Jan. 13, 1905. Lat. 5° 32.4' S., long. 90° 32.2' W. Surface. 1 specimen. 



Sta. 4720. Jan. 14, 1905. Lat. 7° 13.3' S., long. 102° 31.5' W. Surface. 1 specimen. 



Sta. 4723. Jan. 16, 1905. Lat. 10° 14.3' S., long. 107° 45.5' W. Surface. 14 specimens. 



Sta. 4725. Jan. 17, 1905. Lat. 11° 38.3' S., long. 110° 5' W. Surface. 7 specimen.s. 



Sta. 4727. Jan. 18, 1905. Lat. 13° 03' S., long. 112° 44.9' W. Surface. 12 .specimens. 



Sta. 4729. Jan. 19, 1905. Lat. 14° 15' S., long. 115° 13' W. Surface. 6 specimens. - 



Sta. 4741. Feb. 11,1905. Lat. 8° 29.7' S., long. 122° .56' W. Surface. 1 specimen. 



Remarks. — Adult specimens of both sexes vary extremely in length. The 

 smallest female with marsupium (from Sta. 4702) is 4.4 mm. long, another 

 female (from Sta. 4696) scarcely 4.5 mm., while the large.st female (from Sta. 

 4680) is 9.6 mm. from the end of the frontal plate to the tip of the telson. One 

 of the smallest males (from Sta. 4678) is 6.6 mm., and the largest male (from 

 Sta. 4677) is 9.8 mm. The number of spines on the distal part of the outer 

 margin of first joint of the exopod of the uropods varies from 3 to 6. 



Three females from Sta. 4727, two from Sta. 4680, and one female from 

 Sta. 4611 and from Sta. 4671, have an Epicarid, probably Dajus siriellae G. O. 

 Sars, in the marsupium. 



Distribution. — According to the literature and the collections seen by me 

 this species is widely distributed in the tropical and warmer temperate areas of 

 the Atlantic, the Indian Ocean, and the Pacific; the Copenhagen Museum 

 possesses specimens from about fifty places in these Oceans. In the Atlantic 

 it has been taken northwards to Lat. 42° N., long. 44° W., southwards to Lat. 

 40° 32' S., long. 52° 2' W., in the Indian Ocean southwards to Lat. 40° 4' S., 

 long. 53° 25' E. (specimens from these three localities in the Copenhagen Mu- 

 seum) ; in the Pacific it was taken at Lat. 33° 40' N. in 1904, and southwards 

 it is known from a point between Sidney and Wellington (G. O. Sars). It 

 has generally been captured at the surface; I am even inclined to think that 

 the specimens from the three Stations named above from "300 fms. to surface" 

 were taken near the surface. 



11. Siriella gracilis D.\n.\. 



1852. Siriella gracilis D.\na, U. S. Expl. Exp. Crust., 1. p. 65S, pi. 44, figs, la-lg. 

 1885. Siriella gracilis G. O. Sars, Challenger Kept., 13, p. 209, pi. 36, figs. 25-28. 

 X910. Siriella gracilis H. J. Hansen, Siboga-Exp., 37, p. 31. 



