OCR Text |
Show 1881.] THE SURVEY OF H.M.S. 'ALERT.' 139 PLATE VI. (POLYZOA AND CCELENTERATA.) Fig. 1. Chaunosia fragilis, p. 45. Zocecia X 40 diam. a. From front; b. From side. 2. Lichenopora grignonensis, p. 57. a. Portion of peripheral part of colony, viewed from above, X 26 diam.; b. Single zocecial tube from peripheral aspect, to show the outwardly opening sinus in its wall, X 2(5 diam. 3. Gigantopora lyncoides, p. 47. a. T w o adjacent zooecia seen from front; b. Single zocecium seen somewhat from the side: both X 40 diam. 4. L.epralia appressa, var. vinosa, p. 51. Two zooecia, X 40 diam. 5. Retepora altisulcata, p. 53. a. T w o adjacent ocecia, X 40 diam.; b. Portion of back, X 40 diam.; c. Avicularium from middle of front wall, X 80 diam. 6. Schizoporella marsupium, p. 48. Group of two zooecia and one ooecium, X 40 diam. 7. Axohelia brueggemanni, p. 102. a. Part of branch of the Brazilian specimen, X 4 diam.; b. Single calicle of the same specimen, X 26 diam. 8. Pedicellina australis, p. 60. Full-grown zooid, with part of basal stolon, showing partial expansion of the disk, X 17 diam. 9. Smittia trispinosa, var. ligulata, p. 53. Two zocecia, X 40 diam. 10. Tubulipora dichotoma, var. serialis, p. 59. Part of zoarium, X 30 diam. 11. Labiopora moscleyi, p. 106. 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 67 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 ccenosarcal canals.] P L A T E VII. (CRUSTACEA.) Fig. 1. Glaucothoe rostrata, 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. Pandaluspaucidens, sp. n., X 1J diam., p. 74. 7. Eostrum of the same, X 3 diam. 8. Terminal segment and uropoda of Squilla gracilipes, sp. n., nat. size.. p. 75. 9. Arcturus coppingeri, sp. n., X 2 diam., p. 75. 10. Mga punctulata, sp. n., X 1£ diam., p. 77 . 11. Anterior view of the head of the same, showing eyes and antennje, X 3 diam. 12. First thoracic leg of the same, X 3 diam. 13. Terminal segment and uropoda of Corallana acuticauda, sp. n., x 6 diam., p. 78. P L A T E VIII. (ECHINODERMATA.) Fi<>\ 1. Apical area of Strongylocentrotus bullatus, slightly magnified, p. 88 ' 2. A small portion of the ambulacral area of the same, slightly m nified. 3. Apical area of S., spec, juv., rather more highly magnified, p. 89. |