Entomostraca from the Arctic Seas. S50 
Cytheridea papillosa, Bosquet.—60 fathoms, lat. 76° 17! N., 
long. 21° 36’ K., collected July 20th; rare. 
Cytheridea punctillata, G. 8. Brady.—In the same gathering 
with the last ; rare. 
Xestoleberis depressa, G. O. Sars.—Collected in the vicinity 
of Hope Island in 27 fathoms, July 6th, 1898; rare. 
The next three species are from the same gathering. 
' Xestoleberts aurantia (Bair.).—Rare. 
Sclerochilus contortus (Norman).—Rare. 
Paradoxostoma variabile (Baird).—Rare. 
Philomedes brenda (Baird).—This species was captured in 
the surface tow-net to the north of Bear Island ou 
July 5th; it also occurred in other two gatherings 
collected on the 12th and 13th of the same month. 
CLADOCERA. 
A few ephippia, apparently of some species of Daphnia, 
were the only representatives of the Cladocera observed in 
this collection ; they occurred in the gatherings from the 
ponds at Kostyn Point and Cape Chetney, Novaya Zemlya. 
EXPLANATION OF THE PLATES, 
PuaTeE III. 
Jonesiella Brucet, sp. n. 
Fig 1. Female, seen from left side, x 80. 2. One of the antennules, 
x 190. 3. One of the antenne, x 190. 4. Mandible and 
palp, x 190. 5, Maxilla, x 250. 6. Second maxilliped, 
x 250. 7. Foot of tirst pair, x 127. 8. Foot of fourth pair, 
x 127. 9. Fifth foot, x 250. 10. Last abdominal segment 
and caudal furca, x 126. 
PuatE IV, 
Dactylopus Brucei, sp. n. 
Fig. 1, Female, seen from the left side, x 106. 2. One of the antennules, 
x #80, 3, One of the second maxillipeds, x 250. 4. Foot 
of first pair, X 250. 5. Foot of fourth pair, x.250. 6. Fifth 
foot, x 250, 
Zaus Aurel, Poppe. 
Fiy.7. Female, dorsal view, x 80. 8. One of the antennules, x 254. 
9. One of the second maxillipeds, x 254. 10. Foot of first 
pair, x 190. 11. Fifth foot, x 170. 12, Abdomen and 
caudal furea, X 99. 
