X. 



List of Illustrations. 



FIG. 



44- 

 45- 

 46. 



47- 

 48. 



49- 

 50. 

 5i' 

 52- 

 53- 

 54- 

 55- 

 56. 



57- 

 58. 



59. 

 60. 

 61. 

 62. 



63- 



64. 



65- 

 66. 



67. 

 68. 

 69. 

 70. 



71- 



72. 



73- 

 74- 

 75- 

 76. 



77- 

 78. 



79- 



80. 



83. 

 84. 



85- 

 86. 

 87. 



90. 

 91. 



Scorpion Spider-Crab 

 Larvae of Carcinus moenas 

 Seal)' Galathea 

 Porcellana platycheles 

 Common Hermit Crab 

 Opossum Slirimp 

 Hermit Crabs 

 Sand-hopper . . 

 Gammarus locusta 

 Caprella linearis 

 Acorn-barnacles on Rock . . 

 Bunch of Goose-barnacles . . 

 Sea-slater 



Cypris Larva of Sacculma . . 

 Nauplius Larva of Sacculina 

 Crab with Parasite . . 

 Prawn with Parasite 

 Obisium maritimum 

 Geophilus maritimus 

 Aepus marinus 

 Anurida maritima . . 

 A Polychaete Worm 

 Paddle - worm. Flat - wcjvm 



facing 



and Nernertme 



42 

 43 

 44 

 45 

 45 

 46 

 46 



47 

 .. 48 

 .. 48 



lacing 48 

 49 

 49 

 50 

 50 



lacing 50 

 50 

 5-2 

 52 

 52 

 5^ 

 54 



worm 

 Polynoe squamata . . 

 Lug-worm 

 Sea-mouse 

 Tubicolous Worm 



Anterior extremity of Amphitrite johnstoni 

 Serpula 



Spirorbis borealis 

 Sea-mat 



Sea-urchin without Spines 

 Sea-urchin with Spines 

 Heart-urchin 



Holothurians, Sea-cucumbers 

 Beadlet Anemone 

 Plumose Anemone . 

 Wartlet Anemone . 

 Cup-coral 



Dead Man's Fingers 

 Obelia geniculata 

 Obelia geniculata 

 Tubularia bellis 

 Sertularia abiefina . 

 Chrysaora isosceles . 

 Rhizostoma pulmo . 

 Sycon compressum and Purse Sponge 

 Siphochalina oculata 



Long- 

 facing 



facing 



facing 



lacme 



facing 



facing 



facing 



facing 



54 

 55 

 56 

 56 

 57 

 57 

 58 

 59 

 60 

 62 



63 

 64 



65 

 66 

 67 

 67 

 68 

 68 

 68 

 69 

 70 

 70 



71 

 72 



74 

 74 



