464 Mr. A. 0. Walker un the Ampktpoda 



EXPLANATION OF THE PLATES. 

 Plate XM. 



Attheyella MacAndreicee, sp. n. 



Fig. \. Female, seen from the side, X 80. 2. Antennule, X 380. 3. Pos- 

 terior foot-jaw, X 506. 4. Foot of first paii- of swimming-feet, 

 X 380. 5. Foot of fourth pair, x 380. 6. Foot of fifth pair, 

 X 380. 



Canthocajnptus palustris, var. elongatus, var. n. 



Fig. 7. Female, seen from the side, x 80. 8. Antennule, X 169. 

 9. Antenna, X 266. 10. Mandible, x 380. 11. Posterior foot- 

 jaw, X 400. 12. Foot of first pair, x 200. 13. Foot of fourth 

 pair, X 133, 14. Foot of fifth pair, female, X 266. 15. Foot 

 of fifth pair, male, X 253. 16. Spermatophore, X -^O. 17. Last 

 two abdominal segments and caudal stylets, x 190. 



Plate XVII. 

 Laophoitte propinqua, sp. n. 



Fig. 1. Female, dorsal view, X 64. 2. Rostrum, x 380. 3, Antennule, 

 X 300. 4. Antenna, X 253. 5. Posterior foot-jaw, X 253. 

 6. Foot of first pair of swimming-feet, X 253. 7. Foot of second 

 pair, X 253. 8. Foot of foui-th pair, x 169. 9, Foot of fifth 

 pair, X 253. 



Idya longicornis, sp. n. 



Fig. 10. Female, dorsal view, x 24. 11. Antennule, X 66. 12. An- 

 tenna, X 100. 13. Posterior foot-jaw, X 130. 14. Foot of first 

 pair of swimming-feet, X 66. 15. Foot of third pair, x 66. 

 16. Foot of fourth pair, x 66. 17. Foot of fifth pair, x 130. 



LVI. — The Amphipoda of Bate and Westwood^s ^British 

 Sessile-eyed Crustacea.'' Bj Alfeed O. Walker. 



In February 1892 I published in this Magazine a paper on 

 the Lysianassides of Bate and Westvvood's ' British Sessile- 

 eyed Crustacea,' in wliich I endeavoured to bring them into 

 line with Prof. G. O. Sars's Amphipoda of Norway by an 

 examination of the collection of Bate's types in the British 

 Museum. Since then Sars's work has been completed so far 

 as the Amphipoda are concerned, and as, from the extreme care 

 and accuracy with which the species (a very large proportion 

 of which have been found on our own coasts) are described 

 and figured, it is likely to become the standard work on this 

 order of Crustacea, 1 have throughout adopted its nomen- 

 clature. I am aware that another work — important in size, 



