Harriman Alaska series . thoms (Albatross stations 3252, 3306, 3507, 3511, 3513, 35i8, 3519). Off Kamchatka, 39-42 fathoms (Albatross station 3781).Avacha Bay, Kamchatka, 16 fathoms (Albatross station 3642).Southeast coast of Kamchatka, 100 and 96 fathoms (Albatross stations 3643* 3644)-Off Robben Island, Okhotsk Sea, 25 fathoms (Albatross station 3649). SPIRONTOCARIS MACROPHTHALMA Rathbun. Spirontocaris macrophthalma RATHBUN, Proc. U. S. Nat. Mus., XXIV,900, 1902. Allied to S. macilenta and S. bispinosa. Female. — Carapace carinated in its anterior half, posterior spine at theanterior fifth;
Harriman Alaska series . thoms (Albatross stations 3252, 3306, 3507, 3511, 3513, 35i8, 3519). Off Kamchatka, 39-42 fathoms (Albatross station 3781).Avacha Bay, Kamchatka, 16 fathoms (Albatross station 3642).Southeast coast of Kamchatka, 100 and 96 fathoms (Albatross stations 3643* 3644)-Off Robben Island, Okhotsk Sea, 25 fathoms (Albatross station 3649). SPIRONTOCARIS MACROPHTHALMA Rathbun. Spirontocaris macrophthalma RATHBUN, Proc. U. S. Nat. Mus., XXIV,900, 1902. Allied to S. macilenta and S. bispinosa. Female. — Carapace carinated in its anterior half, posterior spine at theanterior fifth; upper line of carapace and midrib of rostrum nearly hori-zontal, the rostrum gently ascending in its anterior portion; rostrumabout three fourths or five sixths as long as the carapace, upper andlower limbs with convex margins, and widest at about the middle of their io6 RATHBUN length; upper margin armed with 10 to 14 teeth, including 2 or 3 on thecarapace; lower margin with i to 3 spines; tip acute. A strong antennal. FlG. 48. Spironiocaris maercphthalma. Station 3076. a. Side view, $ (X 2).b. Dorsal view of anterior portion, ? (X zj). spine on the anterior margin, no supraorbital nor pterygostomian spine;antero-lateral angle sharp. Eyes large, pyriform; corneas extending on the inner side almost tothe base of the peduncle. Eyes reaching two thirds the length of thefirst antennular segment; this segment is twice as long as the second,and the second three times as long as the third; the second and thirdare each provided with a terminal spine; the peduncle does not reachthe end of the rostrum; the thickened part of the outer flagellum exceedsby half its length the antennal scale; inner flagellum half again as longas outer; the basal scale does not quite reach the end of the first seg-ment ; it has a strong lobe on its proximal outer margin. The peduncleof the antennas extends to the end of the second segment of the anten-nulae and the middle of the scale; the flagellum is one
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