Rey. A. M. Norman on two new British Isopods. 421 
EXPLANATION OF THE PLATES. 
PuaTE XXI. 
Fig. 1. Haploops tubicola, Lilljeborg. Last pereiopod, x 40. 
Tig. 2. The same. Last uropod, x 40. 
Fig. 3. The same. Telson, x 40. 
Fig. 4. Nicippe tumida, Bruzelius. Gnathopod, x 40. 
Fig. 5. The same. Last pereiopod, x 40. 
Fig. 6. The same. Telson, x 40, 
Fig. 7. Eriopis elongata, Bruzelius. Second enathopod, x 40. 
8 
Fig. 8. The same. Last pereiopod, x 40. 
Fg. 9. The same. Last uropod (after Bruzelius). 
fg. 10, The same. Telson (after Bruzelius). 
Fig. 11. Mera Lovéni, Bruzelius. First gnathopod, x 16. 
Fig. 12, The same. Second gnathopod, x 16. 
PLATE XXII. 
Fig. 1. Mera Batei, Norman. First gnathopod, g, x 40. 
Fig. 2. The same. Second gnathopod, ¢, x40. 
Fig. 5. The same. End of pleon. 
Fig. 4. Tessarops hastata, Norman, x 16. 
Fig. 5, The same. Superior antenna, x 40, 
Ivg. 6. The same. First gnathopod, x 40. 
Fvg. 7. The same. Second gnathopod, x 40. 
Ig. 8. Helleria coahta, Norman. Faro part of body, x 40. 
PuaTE XXIII. 
Fg. 1. Helleria coalita, Norman. Second gnathopod, x 40. 
Fig. 2. The same. Extremity of same, x 85, 
Fig. 3. The same. Last pereiopod, x 60. 
Fig. 4. The same. Last segment of pleon, x 40. 
Fig. 5. The same. Last uropod, x 60. 
Fig. 6. The same. Telson, x 63. 
Fig. 7. Microprotopus maculatus, Norman. First gnathopod, ¢, x86. 
Fig. 8. The same. Second gnathopod, gf, x85. 
Fig. 9. The same. First gnathopod, 9, x85. 
Fig. 10. The same. Second gnathopod, 9, x85. 
Fig. 11. The same. Telson and uropods, x 85. 
LIII.—On two Isopods, belonging to the Genera Cirolana and 
Anilocra, new to the British Islands. By the Rev. A. M. 
Norman, M.A. 
[Plate XXIII. figs. 12-15.] 
Crustacea Isopopa. 
Fam. Egide. 
Cirolana truncata, n. sp. Pl. XXIII. figs. 12-15. 
Head much wider than long; greatest width in the centre, 
at the projection of the eyes, narrower behind and in front, 
which 1s slightly tridentate. Superior antenne suddenly bent 
in a remarkable way at a right angle at the junction of the 
first and second joints of the peduncle, the first being projected 
directly forwards, the second directly transversely ; third joint 
