LIST OF ILLUSTRATIONS. 



" LONDON BRIDGE" ROCK AT TORQUAY . . .On Title Page. 



ORATORY OF ST. PIRAN IN TUB SANDS ..... 1 



SOUNDING IN 2677 FATHOMS ....... 21 



DIAGRAM TO EXPLAIN TEMPERATURE ...... 36 



FIVE DIAGRAMS TO EXPLAIN TlDES AND CURRENTS . 43, 44, & 45 



CHART, WITH COTIDAL LINES 49 



SHRIMP AND PRAWN CATCHERS 53 



DUNLIN SANDPIPERS ......... 55 



EGG OF SHARK ......... 63 



BUCCINUM UNDATUM AND NEST ....... 64 



PURPURA LAPILLUS AND EGGS 65 



NATICA MONILIFERA 65 



FLUSTRA FOLIACEA 76 



ALCTONIUM DIGITATUM ........ 79 



TOR-ABBEY ROCKS AND HEADLAND, WITH BERRY-HEAD IN THE 



DISTANCE .......... 84 



ROOT OF LAMINARIA 85 



ULVA CRISPA 92 



CODIUM TOMENTOSUM ......... 92 



BRTOPSIS PLUMOSA ......... 93 



CLADOPHORA HUTCHINSLE 94 



LlCHINA PIGM^EA AND CONFINIS 100 



PADINA PAVONIA 102 



GRIFFITHSIA CORALLINA ........ J04 



POLYSIPHONIA PARASITICA ........ 105 



CORALLINA OFFICINALIS 108 



ACTINIA BELLIS 110 



ACTINIA, OR SEA- ANEMONES HI 



EGG OF SPONGE ......... us 



CORYNE PUSILLA AND MAGNIFIED PORTION ..... H9 



SERTULARIA FILICULA AND MAGNIFIED PORTION .... 121 



PLUMULARIA CRISTATA AND MAGNIFIED VESICLE .... 122 



CARYOPHYLLEA SMITHII 125 



LUCERNARIA AURICULA ........ 126 



VARIOUS SPECIES OF LEPRALI.&, MAGNIFIED .... 128 



APPENDAGE OF CELLULARIA 129 



BOTRYLLUS 131 



SHELL FROM LYCIA, E. F 135 



