. Cumacea (Sympoda). Cumacea. Cumacea: 2. Sympodommatidae, 1. Sympodormua 17 Fig. 12. r. 3. S. diomedeae (Calm.) 1912 Heterocuma d., Caiman in: P. U. S. Mus., vAl p. 612 tf. 6—9 I 1912 Sympodomma d., T. Stebbing in: Ann. S. Afr. Mus., u 10 p. 138. Pseudorostral lobes separated by the linguiform eyelobe -, an angular an- tennal sinus formed by blunt moderately projecting antero-lateral angle, followed by serration of lower margin anteriorly. Carina on frontal lobe surmounted by 3 large forward pointing teeth, to which succeed a pair of adjacent tuberculated ridges, sides of carapace dotted with
. Cumacea (Sympoda). Cumacea. Cumacea: 2. Sympodommatidae, 1. Sympodormua 17 Fig. 12. r. 3. S. diomedeae (Calm.) 1912 Heterocuma d., Caiman in: P. U. S. Mus., vAl p. 612 tf. 6—9 I 1912 Sympodomma d., T. Stebbing in: Ann. S. Afr. Mus., u 10 p. 138. Pseudorostral lobes separated by the linguiform eyelobe -, an angular an- tennal sinus formed by blunt moderately projecting antero-lateral angle, followed by serration of lower margin anteriorly. Carina on frontal lobe surmounted by 3 large forward pointing teeth, to which succeed a pair of adjacent tuberculated ridges, sides of carapace dotted with rounded tubercles. First pedigerous segment overlapped by sides of second, this and the 3 following segments having each a median pair of adjacent ridges, and to these are added on the last three a dorso- lateral pair. Both pairs are continued on the pleon segments, but become less distinct towards the last of them. The third and fourth pedigerous segments in the male have each a ventral spine, found also in the female on the fourth, A pigmented eye occupies the apex of the eyelobe. The first peraeopods have the sixth joint not twice as long as the fifth, and nearly a third longer than the seventh. In both sexes the first three pairs of peraeopods have well developed exopods. Peduncle of uropods, fringed with a mixture of long and short spines, is nearly twice as long as the endopod, of which the 2 subequal spinose and setose joints are together rather shorter than the exopod. L. q immature, 14*3 mm. Off Ose Zaki, Honshu Island, Japan; depth 110 — 128 m. 4. S. afrieanum Stebb. 1912 S. africcmus, T. Stebbing in: Ann. S. Afr. Mus., v. 10 p. 138 t. 50 (2). Pseudorostral lobes, eyelobe, and frontal lobe as in the preceding species, but the 3 large teeth are succeeded by a single carina, not tuber- culate, nor have the sides of the carapace tubercles, except a single pair anteriorly outside the frontal lobe. The pedigerous segments and pleon are in near agreement also with thos
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