STYLOCHEIRON SUHMII. 277 



34. Stylocheiron microphthalma 11. ,J. Hansen. 



1910. Slylochrinni iiiicrnplilhdliiiii 11. .1. H.vNSEN, Sihoga-lOxp., 37, j), 117. pi. ICi, fi^.s. 3!i-3d. 



Sta. 4722. Jan. 16, 1905. Lat. 9° 31' S., long. 106° 3(),r,' \V. 31)0 fins, to surface. 1 specimen. 

 Sta. 4740. Feb. 11, 1905. Lat. 9° 2.1' S., long. 123° 20.1' \V. 300 fnis. (o siiiface. 1 specimen. 



Besides it has been captured two times by Dr. Agassiz in 1897: — 



Fiji Islands. 5 m. South of Suva. Dec. 10, 1897. 1 specimen. 



Fiji Islands. 3 m. South of Suva. Dec. 11, 1897. 100 fms. 2 specimens, cf and 9. 



The largest female (from Sta. 4722) is 6.7 mm. long; the male is 5.8 mm. 

 Distribution. — This small species was hitherto known only from five of 

 the "Siboga" Stations in the Indian .\i-chipelago. 



35. stylocheiron suhmii G. O. Sars. 



Plate 11, figs. 3a-3b. 



1883. Stylocheiron suhmii G. O. Saes, Forh. Vid. Selsk. Christiania for 1883, no. 7, p. 31. 

 18S5. Stylocheiron suhmii G. O. Sars, Challenger Rept., 13, p. 142, pi. 27, figs. 1-4. 



Sta. 4687. Dec. 1 1, 1904. Lat. 22° 49.5' S., long. 97° 30.6' W. 300 fms. to surface. 3 specimens. 



Sta. 4691. Dec. 13, 1904. Lat. 25° 27.3' S., long. 103° 29.3' W. 300 fms. to surface. 1 specimen. 



Sta. 4732. Jan. 21, 1905. Lat. 16° 32.5' S., long. 119° 59' W. 300 fms. to surface. 1 specimen.. 



Sta. 4734. Jan. 22, 1905. Lat. 17° 36' S., long. 122° 35.6' W. 300 fms. to surface. 1 specimen. 



Besides it has been captm-ed nine times by Dr. Agas.siz in 1897: — 



Fiji Islands. Ringold Channel, lee side, Nukusimanu Reef. Kov. 23, 1897. 50 fms. 4 specimens. 



Fiji Islands. 3 m. South of Nanuka. Dec. 10, 1897. 50 fms. 1 specimen. 



Fiji Islands. 6 m. South of Suva. Dec. 10, 1897. 100 fms. 6 specimens. 



Fiji Islands. 5 m. South of Suva. Dec. 10, 1897. 100 fms. 16 specimens. 



Fiji Islands. 3 m. South of Suva hghtship. Doc. 11, 1897. 100 fms. 1 specimen. 



Fiji Islands. 3 m. South of Suva hghtship. Dec. 16, 1897. 75 fms. 1 specimen. 



Fiji Lslands. 5 m. South of Suva. Dec. ?, 1897. 25 fms. 1 specimen. 



Fiji Islands. 5 m. South of Suva. Dec. ?, 1897. 100-25 fms. 1 specimen. 



Fiji Islands. Dec. 16, 100 fms. 12 specimens. 



Description. — Frontal plate rather long, in the adult females terminating 

 in a long, distally very slender rostrum, while in adult males the rostrum is \'ery 

 short or scarcely developed. The dorsal keel on the gastric area moderately 

 high, anteriorly very sloping. 



The eyes are high, at least twice as high as broad (fig. 3a), somewhat pyri- 

 form, with the lower section from more than half as broad again to a little less 

 than twice as broad as the upper; the upper section projects much above the 

 upper end of the stalk and, seen from the side, has only three crystal cones in a 

 transverse row. — The antennulae in the female nearly as in S. longicorne ; the 

 peduncle is longer than the carapace, with the two distal joints very slender 

 and the third about one third as long again as the second ; the upper flagellum is 

 slightly shorter than the lower and about as long as the peduncle; both flagella 



