GENERAL, INDEX 
337 
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Cy prinodontes— Continued . 
Cyprinodontidas ___ 243,253 
Profundulus 253 
punctatus ___ 241,253 
Pceciliidae _ 243,254 
Mollieiiesia 255 
sphenops 2^10,241,255 
Priapichthys 258 
fosteri _. 241,242,257,260 
letonai 241, 242, 256-258 
Cyprinodontidse 243,253 
Profundulus 253 
Cyprinus carpio 182 
cypris, Steno&oe 149-151 
Cythereis emarginata.- 141 
Dactylometra 124,125 
quinquecirra _ 127,129,130 
Dactylopusia vulgaris 141, 145, 146 
danioum, Chaetoceros 115, 118, 120 
danicus, Leptocylindrus 105, 113, 114, 118, 120 
davenporti, Microstomum 135 
davidoffi, Tintinnopsis 123 
debile, Chaetoceros 115,118,120 
decipiens, Chaetoceros 116-120 
Thalassiosira 114,115,120 
delioatula, Rhizosolenia 112,115,120 
delicatulum, Bacteriastrum.__ 113,114 
demooratica-mucronata, Salpa 127, 164 
densum, Chsftoceros 116,118-120 
depressa, Alteutha 141, 145, 14 
depressum, Peridinium _ _ 121-123 
depressus, Eurypanopeus 159,160 
diadema, Chaetoceros 115, 118-120 
diademata, Tiaropsis 123-125, 129, 130 
Diastylis polita 152 
qiiadrispinosa _ 152 
sculpta 152 
diatoms 103-175 
distribution - _ _ 1 13, 1 14, 175 
1922 113 
1923 _ 114 
eastern Atlantic waters _ 175 
neritic _ 115 
oceanic 116 
tychopelagio 115 
Dictyocha fibula 113, 114, 122, 123 
didymum, Chaetoceros 115, 117-120 
Digestive enzymes in poiicilothennal vertebrates. In- 
vestigation of enzymes in fishes, with comparative 
studies on those of amphibians, reptiles, and mam- 
mals .- _ 181-200 
digitaUs, Aglantha _ 124,130 
digneti, Neomugil- 267 
dinoflagellatos _ 104 
dioica, Oikoploura... 163 
Dipurena strangulata 123, 125, 129 
discaudata, Tortanus... 103,141,142,144-146 
dispar, Psedophylax 131,133 
Distephanus speculum _. 113, 114, 122, 123 
distribution, plankton, Woods Hole region 91-179 
Ditylium brightwelli 103, 105, 113-115, 118-120 
Dodeoacera concharum 131,133 
dog 182 
ereptic digestion _. 190, 191 
peptic digestion 185,187 
tryptio digestion 188, 189 
Page 
Doto coronata 137 
Dotonidae _ 137 
Douglas Lake, Mich., description _ 1 
dovii, Anableps 240,241,262 
Anisotremus 287 
Pristipoma 287 
dowii, Anableps 262 
dubia, Libinia 160,161 
Dysmorphosa fulgurans 123 
eburneus, Balanus.._ _ 147 
Echinodermata 138,139 
Ectopleura ochracea 123, 125, 129, 130 
Edotea triloba 151 
edulis, Mytilus 137,214 
edwardsii, Monoculodes 149-151 
eel grass 125 
El Salvador, fishes 237-287 
Anablepidae _ 243, 261 
Anableps dovii 240, 241, 262 
Ariidaj 243,248 
Arius taylori 241, 242, 250 
Galeichthys guatemalensis 240, 241, 249, 251 
Atherinidae 243,263,284 
Thyrina guija 241, 242, 264 
Thyrinops paohylepis 284 
Carangidse. 285 
Caranx hippos 285 
Oligoplites mundus 285 
saurus _. 285 
Contropomidas 243,268,285 
Centropomus nigrescens 240,241,269 
pectinatus 240, 241, 269, 271, 285 
robalito 240, 241, 269, 270, 285 
Characinidae 243,244 
Astyanax tasciatus asneus 241,244 
Roeboides salvadoris 241,242,246 
Cichlidae 272 
Cichlasoma macraeanthus _. 241, 272, 274, 276 
meeki 241,242,272,275 
motaguense 239, 241, 273, 278, 279 
nigrofasciatum 241,272,273,280 
trimaculatum 241,273,277 
Clupeidae 283 
Opisthonema libertatis 283 
Cyprinodontidae 243,253 
Profundulus punctatus 241,253 
Eleotridae.... 243,281 
Gobiomorus maculatus 241,281 
Engraulidaj i. 283 
Stolephorus brevirostris 284 
exiguus 283 
panamensis 284 
rastralis 284 
Ephippidae. 287 
C haetodipterus zonatus 287 
Epinephelidae 285 
Epinephelus analogus 285 
Gerridae 287 
Gerres peruvianas 287 
GobiidiE 287 
Gobionellus sagittula 287 
Lutianidaa. 286 
Lutianus argentiventris 287 
novemfasciatus 286 
