. Fig. 11. Boreomysis plebeja Hansen. A, telson and right uropod of male in dorsal view, x 16. Boreomysis illigi (B-E). B, anterior margin of carapace of female in dorsal view, x 12; C, anterior end of female in lateral view, x 12; D, right antenna, x 16; E, telson and right uropod in dorsal view, x 16. is armed with two long spines distal to the statocyst; in B. rostrata there is only one spine. The form of the eye is very characteristic in B. illigi. It is larger than in B. rostrata and the long, strong ocular papilla, with a large ganglion clearly visible at its base, projects forward
. Fig. 11. Boreomysis plebeja Hansen. A, telson and right uropod of male in dorsal view, x 16. Boreomysis illigi (B-E). B, anterior margin of carapace of female in dorsal view, x 12; C, anterior end of female in lateral view, x 12; D, right antenna, x 16; E, telson and right uropod in dorsal view, x 16. is armed with two long spines distal to the statocyst; in B. rostrata there is only one spine. The form of the eye is very characteristic in B. illigi. It is larger than in B. rostrata and the long, strong ocular papilla, with a large ganglion clearly visible at its base, projects forward beyond the anterior margin of the cornea. Distribution. Illig's male specimens were taken at two stations in the Atlantic, one to the south of the Canary Isles and the other to the south of Sierra Leone, and at one station in the Indian Ocean near Ras Hafun. The Discovery records extend its known geographical range considerably to the southward in the eastern waters of the South Atlantic. It appears to have a considerable vertical range. Illig's specimens were all taken in vertical hauls, but at Discovery station 696 it was taken in a closing net fishing between 1000 and 750 m. and at station 1602 in a closing net fishing between only 300 and 470 m. At station 2034 an adult female was captured in a night haul from 162 m. to the surface.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
