1881.] THE SURVEY OF H. M.S. 'alert.' 139 



Plate VI. 



(POLVZOA AND CcELENTERATA.) 



Fig. 1. Chau)iosiafragi!is,-p.'i.5. Zooecia X 40 diam, 

 a. From front ; b. From side. 



2. Lichenopora grignoncnsis, p. 57. 



a. Portion of peripheral part of colony, viewed from above, X 

 20 diam. ; b. Single zooecial tube from peripheral aspect, to shovr 

 the outwardly opening sinus in its wall, X 2<5 diam. 



3. CHgantopora lyncoides, p. 47. 



a. Two adjacent zooecia seen from front ; b. Single zooecium seen 

 somewhat from the side : both X 40 diam. 



4. Lrpralia cq)2}>rssa, var. vinosa, p. b]. 



Two zooecia, X 40 diam. 



5. lictepora altmdcata, p. 53. 



a. Two adjacent ooecia, X 40 diam. ; h. Portion of back, X 40 

 diam. ; c. Avieularium from middle of front wall, X 80 diam. 

 ft. Schi;oporcUa marsupwra, p. 48. 



Group of two zooecia and one ooecium, X 40 diam. 



7. Axoheliabrttcggemanni, p. 102. 



a. Part of branch of the Bi-azilian specimen, X 4 diam, ; b. Single 

 calicle of the same specimen, X 26 diam. 



8. Pedicellina ciwsiraHs, p. 60. 



Full-grown zooicl, with part of basal stolon, showing partial 

 expansion of the disk, X 17 diam. 



9. Smittia frispinosa, var. ligulata, p. 53. 



Two zooecia, X 40 diam. 



10. Tubulipora dichofoma, var. serialis, p. 59. 



Part of zoarium, X 30 diam. 



11. Labiopora mosdcyi, p. 100. 



a. End of small branch, X 4 diam. ; b. Portion of surface of the 



same, X 40 diam. ; c. Gonangium and surrounding tissue, from 



decalcified fragment, mounted in glycerine, X 07 diam. 



[N.B. It should be noted that the preparation from which the last drawing 



was taken was made from the dry specimen ; hence the indistinctness of the 



coenosarcal canals.] 



Plate VII. 

 (Crustacea.) 



Fig. 1. Ghtucothoe rostrafa, sp. n., X 3 diam., p. 62. 



2. Frontal and antennal region of the same, X 9 diam. 



3. Fourth thoracic leg, X 12 diam. 



4. Fifth thoracic leg, X 12 diam. 



5. Terminal segment and uropoda, X 12 diam. 



6. ra7idahcs patwidetis, sp. n., X H diam., p. 74. 



7. Eostrum of the same, X 3 diam. 



8. Terminal segment and uropoda of Squitla graciUpes, sp. n., nat. siae., 



p. 75. 



9. Arcfunts coppingeri, sp. n., X 2 diam., p. 75. 



10. Mga inmctulata, sp. n., X l\ diam., p. 77 . 



11. Anterior view of the head of the same, showing eyes and antennoe, 



X 3 diam. 



12. First thoracic leg of the same, X 3 diam. 



13. Terminal segment and uropoda of Corcdlana acuiicanda, sp. n., X C 



diam., p. 78. 



Plate VIII. 



(ECHI.NODERMATA.) 



Fig. 1. Apical area of Strongylocentrotus biiUatiis, slightly magnified, p. 88. 



2. A small portion of the ambulacral area of the same, slightly mag- 



nified. 



3. Apical area of .S'., spec, juv., rather more highly magnified, p. 89, 



