LIST OF ILLUSTRATIONS. VII 



Mkdis.k of the Woods Hole region— Continued. Page. 



Aglantha conica 56 



Glossocodon tenuirostris — 57 



Mgina pachyderma 58 



s.i I mi: iris tetranema ; 58 



Diphyes bipartite 59 



Diphyopsis campanulifera 60 



Sphseronectes gracilis til 



Halielystus auricula 63 



Scyphostomse of Aurelia flavidula 67 



Ben>e ovata 73 



Osteology and immediate relations of the tile-fish: 



Cranium of Lopholatilus, superior aspect 84 



( 'rani inn of Lopholatilus, left later;!] aspect 85 



Cranium of Lopholatilus, posterior aspect 85 



Blood- vascular system of the tile-fish: 



Efferent branchial vessels of tile-fish, with ci renins cephalicus 90 



Efferent branchial and head arteries, with circulus cephalicus, in conger eel 91 



Cranial portion of arterial system in hickory shad 92 



Second efferent branchial artery in hickory shad 92 



Fourth efferent branchial artery in hickory shad 92 



Efferent branchial vessels of tile-fish, with circulus cephalicus. 93 



Cranial portion of arterial system in swell-fish 94 



Cranial portion of arterial system in SCUlpin .' 95 



Cranial portion of arterial system in tomcod 97 



Cranial portion of arterial system in toad-fish 98 



Cranial portion of arterial system in flounder 99 



Ventral ends of efferent branchial vessels and their branches in tile fish 101 



Ventral ends of efferent branchial vessels and their branches in tomcod 102 



Ventral ends of efferent branchial vessels and their branches in goose-fish 103 



Diagrammatic cross section of body of tile-fish 104 



FISH PARASITES OF THE GENUS ARGULUS: 



Argulus alosse, female 122 



Argulus alosae, male 122 



Argulus catostomi 123 



Newly hatched larva of Argulus eatostomi 124 



A single cluster of egsrs of Argulus catostomi * 125 



A single egg of Argulus eatostomi 125 



A rgul us f unduli 126 



Argulus latieauda 127 



Argulus latus 128 



Argulus megalops 129 



Newly hatched female larva of Argulus megalops 130 



Eggs of Argulus megalops about ready to hatch 130 



Seaweed industries of Japan: 



"Tengusa" i Gelidium corneum) 137 



Furnace and tub for the boiling of Gelidium 138 



Press for straining crude seaweed jelly 139 



Pouring liquid kanten into cooling trays 139 



Articles used in cutting seaweed jelly into sticks and bars 140 



" Funori" (Gloiopeltis coliformis) 144 



A roll of funori 145 



Kelps used in preparing kombu 147 



Kelps used i n preparing kombu 147 



Forms of hooks used in gathering kelp in Hokkaido 14S 



Kelp fishermen of Hokkaido 149 



1 uying kelp on the beach in Hokkaido 150 



Gathering kelp with poles and dra.u r s 151 



Gathering kelp 152 



" Amanori" or laver (Porphyra laciniata i 155 



Preparing brush for laver cultivation 156 



Bundle of brush and conical frame used in planting brush on soft bottom 157 



Planting bundles of brush on which laver is to grow 158 



Washing laver prior to sorting and cutting 158 



Sorting and cutting laver 159 



Preparing laver sheets 159 



The preparation of Porphyra 160 



" Kajimc" i Ecklonia cava) 161 



" Araine" (Ecklonia bicyclis) 161 



